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Linux Distros Unpatched Vulnerability : CVE-2026-6767
medium Nessus Plugin ID 309057
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Synopsis
The Linux/Unix host has one or more packages installed with a vulnerability that the vendor indicates will not be patched.Description
The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.- Other issue in the Libraries component in NSS. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10. (CVE-2026-6767)
Note that Nessus relies on the presence of the package as reported by the vendor.
Solution
There is no known solution at this time.See Also
https://access.redhat.com/security/cve/cve-2026-6767
Plugin Details
Severity: Medium
ID: 309057
File Name: unpatched_CVE_2026_6767.nasl
Version: 1.17
Type: Local
Agent: unix
Family: Misc.
Published: 4/21/2026
Updated: 5/22/2026
Supported Sensors: Agentless Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus
Risk Information
VPR
Risk Factor: Low
Score: 2.2
CVSS v2
Risk Factor: Medium
Base Score: 5.8
Temporal Score: 4.9
Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:N
CVSS Score Source: CVE-2026-6767
CVSS v3
Risk Factor: Medium
Base Score: 5.3
Temporal Score: 4.9
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Temporal Vector: CVSS:3.0/E:U/RL:U/RC:C
Vulnerability Information
CPE: cpe:/o:debian:debian_linux:11.0, cpe:/o:canonical:ubuntu_linux:20.04:-:lts, p-cpe:/a:redhat:enterprise_linux:thunderbird-flatpak, p-cpe:/a:redhat:enterprise_linux:firefox-flatpak, cpe:/o:canonical:ubuntu_linux:24.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:mozjs68, p-cpe:/a:canonical:ubuntu_linux:mozjs38, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:mozjs115, p-cpe:/a:canonical:ubuntu_linux:mozjs91, p-cpe:/a:canonical:ubuntu_linux:mozjs102, p-cpe:/a:debian:debian_linux:nss, cpe:/o:canonical:ubuntu_linux:22.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:thunderbird, p-cpe:/a:canonical:ubuntu_linux:mozjs78, p-cpe:/a:canonical:ubuntu_linux:mozjs52, cpe:/o:debian:debian_linux:12.0, cpe:/o:redhat:enterprise_linux:10
Required KB Items: Host/cpu, Host/local_checks_enabled, global_settings/vendor_unpatched, Host/OS/identifier
Exploit Ease: No known exploits are available
Vulnerability Publication Date: 4/21/2026
Reference Information
CVE: CVE-2026-6767