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-2022:2294-1 advisory.

  - xmltok_impl.c in Expat (aka libexpat) before 2.4.5 lacks certain validation of encoding, such as checks     for whether a UTF-8 character is valid in a certain context. (CVE-2022-25235)

  - xmlparse.c in Expat (aka libexpat) before 2.4.5 allows attackers to insert namespace-separator characters     into namespace URIs. (CVE-2022-25236)

  - In Expat (aka libexpat) before 2.4.5, an attacker can trigger stack exhaustion in build_model via a large     nesting depth in the DTD element. (CVE-2022-25313)

  - In Expat (aka libexpat) before 2.4.5, there is an integer overflow in copyString. (CVE-2022-25314)

  - In Expat (aka libexpat) before 2.4.5, there is an integer overflow in storeRawNames. (CVE-2022-25315)

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

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2022-2022-036 advisory.

    An integer overflow was found in expat. The issue occurs in storeRawNames() by abusing the m_buffer     expansion logic to allow allocations very close to INT_MAX and out-of-bounds heap writes. This flaw can     cause a denial of service or potentially arbitrary code execution. (CVE-2022-25315)

Tenable has extracted the preceding description block directly from the tested product 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 Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2022:7811 advisory.

    Expat is a C library for parsing XML documents. The mingw-expat packages provide a port of the Expat     library for MinGW.

    The following packages have been upgraded to a later upstream version: mingw-expat (2.4.8). (BZ#2057023,     BZ#2057037, BZ#2057127)

    Security Fix(es):

    * expat: Malformed 2- and 3-byte UTF-8 sequences can lead to arbitrary code execution (CVE-2022-25235)

    * expat: Namespace-separator characters in xmlns[:prefix] attribute values can lead to arbitrary code     execution (CVE-2022-25236)

    * expat: Integer overflow in storeRawNames() (CVE-2022-25315)

    * expat: Stack exhaustion in doctype parsing (CVE-2022-25313)

    * expat: Integer overflow in copyString() (CVE-2022-25314)

    * expat: Integer overflow in the doProlog function (CVE-2022-23990)

    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 8.7 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 remote Alibaba Cloud Linux 3 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALINUX3-SA-2022:0183 advisory.

    Package updates are available for Alibaba Cloud Linux 3 that fix the following vulnerabilities:

    CVE-2022-23990:
    Expat (aka libexpat) before 2.4.4 has an integer overflow in the doProlog function.

    CVE-2022-25235:
    xmltok_impl.c in Expat (aka libexpat) before 2.4.5 lacks certain validation of encoding, such as checks     for whether a UTF-8 character is valid in a certain context.

    CVE-2022-25236:
    xmlparse.c in Expat (aka libexpat) before 2.4.5 allows attackers to insert namespace-separator characters     into namespace URIs.

    CVE-2022-25313:
    In Expat (aka libexpat) before 2.4.5, an attacker can trigger stack exhaustion in build_model via a large     nesting depth in the DTD element.

    CVE-2022-25314:
    In Expat (aka libexpat) before 2.4.5, there is an integer overflow in copyString.

    CVE-2022-25315:
    In Expat (aka libexpat) before 2.4.5, there is an integer overflow in storeRawNames.

Tenable has extracted the preceding description block directly from the Alibaba Cloud 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 remote NewStart CGSL host, running version MAIN 6.02, has firefox packages installed that are affected by multiple vulnerabilities:

  - crossbeam-deque is a package of work-stealing deques for building task schedulers when programming in     Rust. In versions prior to 0.7.4 and 0.8.0, the result of the race condition is that one or more tasks in     the worker queue can be popped twice instead of other tasks that are forgotten and never popped. If tasks     are allocated on the heap, this can cause double free and a memory leak. If not, this still can cause a     logical bug. Crates using `Stealer::steal`, `Stealer::steal_batch`, or `Stealer::steal_batch_and_pop` are     affected by this issue. This has been fixed in crossbeam-deque 0.8.1 and 0.7.4. (CVE-2021-32810)

  - Mozilla developers reported memory safety bugs present in Firefox 91 and Firefox ESR 78.13. Some of these     bugs showed evidence of memory corruption and we presume that with enough effort some of these could have     been exploited to run arbitrary code. This vulnerability affects Firefox ESR < 78.14, Thunderbird < 78.14,     and Firefox < 92. (CVE-2021-38493)

  - During operations on MessageTasks, a task may have been removed while it was still scheduled, resulting in     memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 78.15,     Thunderbird < 91.2, Firefox ESR < 91.2, Firefox ESR < 78.15, and Firefox < 93. (CVE-2021-38496)

  - Through use of reportValidity() and window.open(), a plain-text validation message could have been     overlaid on another origin, leading to possible user confusion and spoofing attacks. This vulnerability     affects Firefox < 93, Thunderbird < 91.2, and Firefox ESR < 91.2. (CVE-2021-38497)

  - During process shutdown, a document could have caused a use-after-free of a languages service object,     leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 93,     Thunderbird < 91.2, and Firefox ESR < 91.2. (CVE-2021-38498)

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
162913	SUSE SLED15 / SLES15 Security Update : expat (SUSE-SU-2022:2294-1)	Nessus	SuSE Local Security Checks	7/8/2022	7/14/2023	critical
164710	Amazon Linux 2022 : expat, expat-devel, expat-static (ALAS2022-2022-036)	Nessus	Amazon Linux Local Security Checks	9/6/2022	12/11/2024	critical
167142	RHEL 8 : mingw-expat (RHSA-2022:7811)	Nessus	Red Hat Local Security Checks	11/9/2022	3/15/2025	critical
236567	Alibaba Cloud Linux 3 : 0183: mingw-expat (ALINUX3-SA-2022:0183)	Nessus	Alibaba Cloud Linux Local Security Checks	5/14/2025	5/14/2025	critical
206859	NewStart CGSL MAIN 6.02 : firefox Multiple Vulnerabilities (NS-SA-2024-0066)	Nessus	NewStart CGSL Local Security Checks	9/10/2024	3/6/2025	critical

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