Detections
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AlmaLinux 9 : webkit2gtk3 (ALSA-2026:25927)
high Nessus Plugin ID 321175
Synopsis
The remote AlmaLinux host is missing one or more security updates.Description
The remote AlmaLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:25927 advisory.* webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash (CVE-2026-28946)
* webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash (CVE-2026-28847)
* webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash (CVE-2026-28883)
* webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash (CVE-2026-28901)
* webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash (CVE-2026-28902)
* webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash (CVE-2026-28903)
* webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash (CVE-2026-28904)
* webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash (CVE-2026-28905)
* webkitgtk: Processing maliciously crafted web content may prevent Content Security Policy from being enforced (CVE-2026-28907)
* webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash (CVE-2026-28942)
* webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash (CVE-2026-28947)
* webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash (CVE-2026-28953)
* webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash (CVE-2026-28955)
* webkitgtk: An app may be able to access sensitive user data (CVE-2026-28958)
* webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash (CVE-2026-43658)
* webkitgtk: Processing maliciously crafted web content may prevent Content Security Policy from being enforced (CVE-2026-43660)
Tenable has extracted the preceding description block directly from the AlmaLinux security advisory.
Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.
Solution
Update the affected packages.See Also
Plugin Details
Severity: High
ID: 321175
File Name: alma_linux_ALSA-2026-25927.nasl
Version: 1.1
Type: Local
Family: Alma Linux Local Security Checks
Published: 6/16/2026
Updated: 6/16/2026
Supported Sensors: Nessus Agent, Continuous Assessment, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 6.7
CVSS v2
Risk Factor: Critical
Base Score: 10
Temporal Score: 7.4
Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C
CVSS Score Source: CVE-2026-43658
CVSS v3
Risk Factor: High
Base Score: 8.8
Temporal Score: 7.7
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
CVSS Score Source: CVE-2026-28947
Vulnerability Information
CPE: cpe:/o:alma:linux:9::supplementary, cpe:/o:alma:linux:9::baseos, p-cpe:/a:alma:linux:webkit2gtk3-devel, cpe:/o:alma:linux:9::sap, cpe:/o:alma:linux:9::highavailability, cpe:/o:alma:linux:9::appstream, p-cpe:/a:alma:linux:webkit2gtk3-jsc, cpe:/o:alma:linux:9::resilientstorage, cpe:/o:alma:linux:9::sap_hana, cpe:/o:alma:linux:9::realtime, cpe:/o:alma:linux:9, p-cpe:/a:alma:linux:webkit2gtk3-jsc-devel, cpe:/o:alma:linux:9::nfv, p-cpe:/a:alma:linux:webkit2gtk3, cpe:/o:alma:linux:9::crb
Required KB Items: Host/local_checks_enabled, Host/cpu, Host/AlmaLinux/release, Host/AlmaLinux/rpm-list
Exploit Ease: No known exploits are available
Patch Publication Date: 6/15/2026
Vulnerability Publication Date: 5/11/2026
Reference Information
CVE: CVE-2026-28847, CVE-2026-28883, CVE-2026-28901, CVE-2026-28902, CVE-2026-28903, CVE-2026-28904, CVE-2026-28905, CVE-2026-28907, CVE-2026-28942, CVE-2026-28946, CVE-2026-28947, CVE-2026-28953, CVE-2026-28955, CVE-2026-28958, CVE-2026-43658, CVE-2026-43660