The remote host is affected by the vulnerability described in GLSA-202202-01 (WebkitGTK+: Multiple vulnerabilities)

  - A use after free issue was addressed with improved memory management. This issue is fixed in macOS Big Sur     11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, tvOS 14.4, watchOS 7.3, iOS 14.4     and iPadOS 14.4, Safari 14.0.3. Processing maliciously crafted web content may lead to arbitrary code     execution. (CVE-2021-1788)

  - A memory corruption issue was addressed with improved validation. This issue is fixed in iOS 14.4.1 and     iPadOS 14.4.1, Safari 14.0.3 (v. 14610.4.3.1.7 and 15610.4.3.1.7), watchOS 7.3.2, macOS Big Sur 11.2.3.
    Processing maliciously crafted web content may lead to arbitrary code execution. (CVE-2021-1844)

  - A logic issue was addressed with improved restrictions. This issue is fixed in macOS Big Sur 11.2,     Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, iOS 14.4 and iPadOS 14.4. A remote     attacker may be able to cause arbitrary code execution. Apple is aware of a report that this issue may     have been actively exploited.. (CVE-2021-1871)

  - A use-after-free vulnerability exists in the way certain events are processed for ImageLoader objects of     Webkit WebKitGTK 2.30.4. A specially crafted web page can lead to a potential information leak and further     memory corruption. In order to trigger the vulnerability, a victim must be tricked into visiting a     malicious webpage. (CVE-2021-21775)

  - A use-after-free vulnerability exists in the way Webkit's GraphicsContext handles certain events in     WebKitGTK 2.30.4. A specially crafted web page can lead to a potential information leak and further memory     corruption. A victim must be tricked into visiting a malicious web page to trigger this vulnerability.
    (CVE-2021-21779)

  - An exploitable use-after-free vulnerability exists in WebKitGTK browser version 2.30.3 x64. A specially     crafted HTML web page can cause a use-after-free condition, resulting in remote code execution. The victim     needs to visit a malicious web site to trigger the vulnerability. (CVE-2021-21806)

  - A use after free issue was addressed with improved memory management. This issue is fixed in Safari 14.1,     iOS 12.5.3, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5, macOS Big Sur 11.3. Processing maliciously     crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may     have been actively exploited.. (CVE-2021-30661)

  - An integer overflow was addressed with improved input validation. This issue is fixed in iOS 14.5.1 and     iPadOS 14.5.1, tvOS 14.6, iOS 12.5.3, Safari 14.1.1, macOS Big Sur 11.3.1. Processing maliciously crafted     web content may lead to arbitrary code execution. (CVE-2021-30663)

  - A memory corruption issue was addressed with improved state management. This issue is fixed in watchOS     7.4.1, iOS 14.5.1 and iPadOS 14.5.1, tvOS 14.6, iOS 12.5.3, macOS Big Sur 11.3.1. Processing maliciously     crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may     have been actively exploited.. (CVE-2021-30665)

  - A buffer overflow issue was addressed with improved memory handling. This issue is fixed in iOS 12.5.3.
    Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a     report that this issue may have been actively exploited.. (CVE-2021-30666)

  - A logic issue was addressed with improved restrictions. This issue is fixed in tvOS 14.6, iOS 14.6 and     iPadOS 14.6, Safari 14.1.1, macOS Big Sur 11.4, watchOS 7.5. A malicious application may be able to leak     sensitive user information. (CVE-2021-30682)

  - A logic issue was addressed with improved state management. This issue is fixed in tvOS 14.6, iOS 14.6 and     iPadOS 14.6, Safari 14.1.1, macOS Big Sur 11.4, watchOS 7.5. Processing maliciously crafted web content     may lead to universal cross site scripting. (CVE-2021-30689)

  - A logic issue was addressed with improved restrictions. This issue is fixed in tvOS 14.6, iOS 14.6 and     iPadOS 14.6, Safari 14.1.1, macOS Big Sur 11.4, watchOS 7.5. A malicious website may be able to access     restricted ports on arbitrary servers. (CVE-2021-30720)

  - Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in     tvOS 14.6, iOS 14.6 and iPadOS 14.6, Safari 14.1.1, macOS Big Sur 11.4, watchOS 7.5. Processing     maliciously crafted web content may lead to arbitrary code execution. (CVE-2021-30734, CVE-2021-30749)

  - Description: A cross-origin issue with iframe elements was addressed with improved tracking of security     origins. This issue is fixed in tvOS 14.6, iOS 14.6 and iPadOS 14.6, Safari 14.1.1, macOS Big Sur 11.4,     watchOS 7.5. Processing maliciously crafted web content may lead to universal cross site scripting.
    (CVE-2021-30744)

  - A type confusion issue was addressed with improved state handling. This issue is fixed in iOS 14.7, Safari     14.1.2, macOS Big Sur 11.5, watchOS 7.6, tvOS 14.7. Processing maliciously crafted web content may lead to     arbitrary code execution. (CVE-2021-30758)

  - A memory corruption issue was addressed with improved state management. This issue is fixed in iOS 12.5.4.
    Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a     report that this issue may have been actively exploited.. (CVE-2021-30761)

  - A use after free issue was addressed with improved memory management. This issue is fixed in iOS 12.5.4.
    Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a     report that this issue may have been actively exploited.. (CVE-2021-30762)

  - A use after free issue was addressed with improved memory management. This issue is fixed in iOS 14.7,     Safari 14.1.2, macOS Big Sur 11.5, watchOS 7.6, tvOS 14.7. Processing maliciously crafted web content may     lead to arbitrary code execution. (CVE-2021-30795)

  - This issue was addressed with improved checks. This issue is fixed in iOS 14.7, Safari 14.1.2, macOS Big     Sur 11.5, watchOS 7.6, tvOS 14.7. Processing maliciously crafted web content may lead to code execution.
    (CVE-2021-30797)

  - Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in iOS     14.7, macOS Big Sur 11.5, Security Update 2021-004 Catalina, Security Update 2021-005 Mojave. Processing     maliciously crafted web content may lead to arbitrary code execution. (CVE-2021-30799)

  - A use after free issue was addressed with improved memory management. This issue is fixed in Safari 15,     tvOS 15, watchOS 8, iOS 15 and iPadOS 15. Processing maliciously crafted web content may lead to arbitrary     code execution. (CVE-2021-30809)

  - A type confusion issue was addressed with improved state handling. This issue is fixed in iOS 14.8 and     iPadOS 14.8, tvOS 15, iOS 15 and iPadOS 15, Safari 15, watchOS 8. Processing maliciously crafted web     content may lead to arbitrary code execution. (CVE-2021-30818)

  - A logic issue was addressed with improved restrictions. This issue is fixed in macOS Monterey 12.0.1, iOS     14.8 and iPadOS 14.8, tvOS 15, Safari 15, watchOS 8. An attacker in a privileged network position may be     able to bypass HSTS. (CVE-2021-30823)

  - An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 14.8 and     iPadOS 14.8, tvOS 15, watchOS 8, iOS 15 and iPadOS 15. Processing a maliciously crafted audio file may     disclose restricted memory. (CVE-2021-30836)

  - A memory corruption issue was addressed with improved memory handling. This issue is fixed in iOS 14.8 and     iPadOS 14.8, Safari 15, tvOS 15, iOS 15 and iPadOS 15, watchOS 8. Processing maliciously crafted web     content may lead to arbitrary code execution. (CVE-2021-30846)

  - A memory corruption issue was addressed with improved memory handling. This issue is fixed in iOS 14.8 and     iPadOS 14.8, Safari 15, iOS 15 and iPadOS 15. Processing maliciously crafted web content may lead to code     execution. (CVE-2021-30848)

  - Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in iOS     14.8 and iPadOS 14.8, watchOS 8, Safari 15, tvOS 15, iOS 15 and iPadOS 15, iTunes 12.12 for Windows.
    Processing maliciously crafted web content may lead to arbitrary code execution. (CVE-2021-30849)

  - A memory corruption vulnerability was addressed with improved locking. This issue is fixed in Safari 15,     tvOS 15, watchOS 8, iOS 15 and iPadOS 15. Processing maliciously crafted web content may lead to code     execution. (CVE-2021-30851)

  - A use after free issue was addressed with improved memory management. This issue is fixed in iOS 14.8 and     iPadOS 14.8, macOS Big Sur 11.6. Processing maliciously crafted web content may lead to arbitrary code     execution. Apple is aware of a report that this issue may have been actively exploited. (CVE-2021-30858)

  - The issue was resolved with additional restrictions on CSS compositing. This issue is fixed in tvOS 15,     watchOS 8, iOS 15 and iPadOS 15. Visiting a maliciously crafted website may reveal a user's browsing     history. (CVE-2021-30884)

  - A logic issue was addressed with improved restrictions. This issue is fixed in macOS Monterey 12.0.1, iOS     15.1 and iPadOS 15.1, watchOS 8.1, tvOS 15.1. Processing maliciously crafted web content may lead to     unexpectedly unenforced Content Security Policy. (CVE-2021-30887)

  - An information leakage issue was addressed. This issue is fixed in iOS 15.1 and iPadOS 15.1, macOS     Monterey 12.0.1, iOS 14.8.1 and iPadOS 14.8.1, tvOS 15.1, watchOS 8.1. A malicious website using Content     Security Policy reports may be able to leak information via redirect behavior . (CVE-2021-30888)

  - A buffer overflow issue was addressed with improved memory handling. This issue is fixed in macOS Monterey     12.0.1, iOS 15.1 and iPadOS 15.1, watchOS 8.1, tvOS 15.1. Processing maliciously crafted web content may     lead to arbitrary code execution. (CVE-2021-30889)

  - A logic issue was addressed with improved state management. This issue is fixed in macOS Monterey 12.0.1,     iOS 15.1 and iPadOS 15.1, watchOS 8.1, tvOS 15.1. Processing maliciously crafted web content may lead to     universal cross site scripting. (CVE-2021-30890)

  - An issue existed in the specification for the resource timing API. The specification was updated and the     updated specification was implemented. This issue is fixed in macOS Monterey 12.0.1. A malicious website     may exfiltrate data cross-origin. (CVE-2021-30897)

  - A buffer overflow issue was addressed with improved memory handling. This issue is fixed in tvOS 15.2,     macOS Monterey 12.1, Safari 15.2, iOS 15.2 and iPadOS 15.2, watchOS 8.3. Processing maliciously crafted     web content may lead to arbitrary code execution. (CVE-2021-30934)

  - A use after free issue was addressed with improved memory management. This issue is fixed in tvOS 15.2,     macOS Monterey 12.1, Safari 15.2, iOS 15.2 and iPadOS 15.2, watchOS 8.3. Processing maliciously crafted     web content may lead to arbitrary code execution. (CVE-2021-30936, CVE-2021-30951)

  - An integer overflow was addressed with improved input validation. This issue is fixed in tvOS 15.2, macOS     Monterey 12.1, Safari 15.2, iOS 15.2 and iPadOS 15.2, watchOS 8.3. Processing maliciously crafted web     content may lead to arbitrary code execution. (CVE-2021-30952)

  - An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in tvOS 15.2, macOS     Monterey 12.1, Safari 15.2, iOS 15.2 and iPadOS 15.2, watchOS 8.3. Processing maliciously crafted web     content may lead to arbitrary code execution. (CVE-2021-30953)

  - A type confusion issue was addressed with improved memory handling. This issue is fixed in tvOS 15.2,     macOS Monterey 12.1, Safari 15.2, iOS 15.2 and iPadOS 15.2, watchOS 8.3. Processing maliciously crafted     web content may lead to arbitrary code execution. (CVE-2021-30954)

  - A race condition was addressed with improved state handling. This issue is fixed in tvOS 15.2, macOS     Monterey 12.1, Safari 15.2, iOS 15.2 and iPadOS 15.2, watchOS 8.3. Processing maliciously crafted web     content may lead to arbitrary code execution. (CVE-2021-30984)

  - BubblewrapLauncher.cpp in WebKitGTK and WPE WebKit before 2.34.1 allows a limited sandbox bypass that     allows a sandboxed process to trick host processes into thinking the sandboxed process is not confined by     the sandbox, by abusing VFS syscalls that manipulate its filesystem namespace. The impact is limited to     host services that create UNIX sockets that WebKit mounts inside its sandbox, and the sandboxed process     remains otherwise confined. NOTE: this is similar to CVE-2021-41133. (CVE-2021-42762)

  - In WebKitGTK before 2.32.4, there is a use-after-free in WebCore::ContainerNode::firstChild, a different     vulnerability than CVE-2021-30889. (CVE-2021-45482)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The version of Apple iOS running on the mobile device is prior to 14.5. It is, therefore, affected by multiple vulnerabilities.

The remote SUSE Linux SLES12 / SLES_SAP12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2022:0142-1 advisory.

    - Update to version 2.34.3 (bsc#1194019).
    - CVE-2021-30887: Fixed logic issue allowing unexpectedly unenforced Content Security Policy when     processing maliciously crafted web content.
    - CVE-2021-30890: Fixed logic issue allowing universal cross site scripting when processing maliciously     crafted web content.

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote NewStart CGSL host, running version MAIN 6.02, has webkit2gtk3 packages installed that are affected by multiple vulnerabilities:

  - A code execution vulnerability exists in the WebSocket functionality of Webkit WebKitGTK 2.30.0. A     specially crafted web page can trigger a use-after-free vulnerability which can lead to remote code     execution. An attacker can get a user to visit a webpage to trigger this vulnerability. (CVE-2020-13543)

  - An exploitable use-after-free vulnerability exists in WebKitGTK browser version 2.30.1 x64. A specially     crafted HTML web page can cause a use-after-free condition, resulting in a remote code execution. The     victim needs to visit a malicious web site to trigger this vulnerability. (CVE-2020-13584)

  - A type confusion issue was addressed with improved memory handling. This issue is fixed in Safari 14.0.
    Processing maliciously crafted web content may lead to arbitrary code execution. (CVE-2020-9948)

  - A use after free issue was addressed with improved memory management. This issue is fixed in Safari 14.0.
    Processing maliciously crafted web content may lead to arbitrary code execution. (CVE-2020-9951)

  - An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in Safari     14.0. Processing maliciously crafted web content may lead to code execution. (CVE-2020-9983)

  - A memory corruption issue was addressed with improved state management. This issue is fixed in macOS Big     Sur 11.3, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5. Processing maliciously crafted web content may     lead to arbitrary code execution. (CVE-2021-1817)

  - A memory initialization issue was addressed with improved memory handling. This issue is fixed in macOS     Big Sur 11.3, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5. Processing maliciously crafted web content     may result in the disclosure of process memory. (CVE-2021-1820)

  - An input validation issue was addressed with improved input validation. This issue is fixed in iTunes     12.11.3 for Windows, iCloud for Windows 12.3, macOS Big Sur 11.3, Safari 14.1, watchOS 7.4, tvOS 14.5, iOS     14.5 and iPadOS 14.5. Processing maliciously crafted web content may lead to a cross site scripting     attack. (CVE-2021-1825)

  - A logic issue was addressed with improved restrictions. This issue is fixed in macOS Big Sur 11.3, iOS     14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5. Processing maliciously crafted web content may lead to     universal cross site scripting. (CVE-2021-1826)

  - A use after free issue was addressed with improved memory management. This issue is fixed in Safari 14.1,     iOS 12.5.3, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5, macOS Big Sur 11.3. Processing maliciously     crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may     have been actively exploited.. (CVE-2021-30661)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote host is running a version of macOS / Mac OS X that is 11.x prior to 11.3 Big Sur. It is, therefore, affected by multiple vulnerabilities including the following:

  - A memory corruption issue which could allow an application restricted memory read access (CVE-2021-1808).

  - A memory corruption issue which could allow an application to cause unexpected system termination or to     write kernel memory (CVE-2021-1828).

  - An out-of-bounds wirte issue which could allow a malicious application to execute arbitrary code with     kernel privileges (CVE-2021-1834).

Note that Nessus has not tested for this issue but has instead relied only on the operating system's self-reported version number.

The remote SUSE Linux SLED15 / SLED_SAP15 / SLES15 / SLES_SAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2022:0182-1 advisory.

    - Update to version 2.34.3 (bsc#1194019).
    - CVE-2021-30887: Fixed logic issue allowing unexpectedly unenforced Content Security Policy when     processing maliciously crafted web content.
    - CVE-2021-30890: Fixed logic issue allowing universal cross site scripting when processing maliciously     crafted web content.

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The version of Apple iTunes installed on the remote Windows host is prior to 12.11.3. It is, therefore, affected by multiple vulnerabilities as referenced in the HT212319 advisory.

  - In FreeBSD 12.1-STABLE before r364644, 11.4-STABLE before r364651, 12.1-RELEASE before p9, 11.4-RELEASE     before p3, and 11.3-RELEASE before p13, improper handling in the kernel causes a use-after-free bug by     sending large user messages from multiple threads on the same SCTP socket. The use-after-free situation     may result in unintended kernel behaviour including a kernel panic. (CVE-2020-7463)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:1586 advisory.

    GNOME is the default desktop environment of Red Hat Enterprise Linux.

    The following packages have been upgraded to a later upstream version: accountsservice (0.6.55),     webkit2gtk3 (2.30.4). (BZ#1846376, BZ#1883304)

    Security Fix(es):

    * webkitgtk: type confusion may lead to arbitrary code execution (CVE-2020-9948)

    * webkitgtk: use-after-free may lead to arbitrary code execution (CVE-2020-9951)

    * webkitgtk: out-of-bounds write may lead to code execution (CVE-2020-9983)

    * webkitgtk: use-after-free may lead to arbitrary code execution (CVE-2020-13543)

    * webkitgtk: use-after-free may lead to arbitrary code execution (CVE-2020-13584)

    * glib2: insecure permissions for files and directories (CVE-2019-13012)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

    Additional Changes:

    For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.4 Release Notes     linked from the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - An input validation issue was addressed with improved input validation. This issue is fixed in iTunes     12.11.3 for Windows, iCloud for Windows 12.3, macOS Big Sur 11.3, Safari 14.1, watchOS 7.4, tvOS 14.5, iOS     14.5 and iPadOS 14.5. Processing maliciously crafted web content may lead to a cross site scripting     attack. (CVE-2021-1825)

Note that Nessus relies on the presence of the package as reported by the vendor.

The remote SUSE Linux SLES15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2022:0182-2 advisory.

    - Update to version 2.34.3 (bsc#1194019).
    - CVE-2021-30887: Fixed logic issue allowing unexpectedly unenforced Content Security Policy when     processing maliciously crafted web content.
    - CVE-2021-30890: Fixed logic issue allowing universal cross site scripting when processing maliciously     crafted web content.

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

ID	Name	Product	Family	Published	Updated	Severity
157266	GLSA-202202-01 : WebkitGTK+: Multiple vulnerabilities	Nessus	Gentoo Local Security Checks	2/1/2022	3/7/2026	critical
149061	Apple iOS < 14.5 Multiple Vulnerabilities (HT212317)	Nessus	Mobile Devices	4/29/2021	8/10/2026	critical
177194	Amazon Linux 2 : webkitgtk4 (ALAS-2023-2088)	Nessus	Amazon Linux Local Security Checks	6/13/2023	3/7/2026	critical
156925	SUSE SLES12: libjavascriptcoregtk-4_0-18 / libwebkit2gtk-4_0-37 / etc (SUSE-SU-2022:0142-1)	Nessus	SuSE Local Security Checks	1/21/2022	6/26/2026	critical
160755	NewStart CGSL MAIN 6.02 : webkit2gtk3 Multiple Vulnerabilities (NS-SA-2022-0048)	Nessus	NewStart CGSL Local Security Checks	5/9/2022	4/25/2023	high
149041	macOS 11.x < 11.3 (HT212325)	Nessus	MacOS X Local Security Checks	4/28/2021	5/28/2024	critical
157103	SUSE SLED15: libjavascriptcoregtk-4_0-18 / libwebkit2gtk-4_0-37 / etc (SUSE-SU-2022:0182-1)	Nessus	SuSE Local Security Checks	1/26/2022	6/26/2026	critical
149022	Apple iTunes < 12.11.3 Multiple Vulnerabilities (uncredentialed check)	Nessus	Peer-To-Peer File Sharing	4/27/2021	10/12/2026	medium
149698	RHEL 8 : GNOME (RHSA-2021:1586)	Nessus	Red Hat Local Security Checks	5/19/2021	3/19/2025	high
256786	Linux Distros Unpatched Vulnerability : CVE-2021-1825	Nessus	Misc.	8/27/2025	7/17/2026	medium
158139	SUSE SLES15: libjavascriptcoregtk-4_0-18 / libwebkit2gtk-4_0-37 / etc (SUSE-SU-2022:0182-2)	Nessus	SuSE Local Security Checks	2/18/2022	6/26/2026	critical

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