Debian dsa-6503 : thunderbird - security update

high Nessus Plugin ID 346455

Synopsis

The remote Debian host is missing one or more security-related updates.

Description

The remote Debian 13 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-6503 advisory.

- ------------------------------------------------------------------------- Debian Security Advisory DSA-6503-1 [email protected] https://www.debian.org/security/ Moritz Muehlenhoff September 16, 2026 https://www.debian.org/security/faq
- -------------------------------------------------------------------------

Package : thunderbird CVE ID : CVE-2026-92005 CVE-2026-92006 CVE-2026-92007 CVE-2026-92008 CVE-2026-92009 CVE-2026-92010 CVE-2026-92011 CVE-2026-92012 CVE-2026-92013 CVE-2026-92014 CVE-2026-92015 CVE-2026-92016 CVE-2026-92017 CVE-2026-92018 CVE-2026-92019 CVE-2026-92020 CVE-2026-92021 CVE-2026-92022 CVE-2026-92023 CVE-2026-92024 CVE-2026-92025 CVE-2026-92026 CVE-2026-92027 CVE-2026-92028 CVE-2026-92029 CVE-2026-92030 CVE-2026-92031 CVE-2026-92032 CVE-2026-92238 CVE-2026-92239 CVE-2026-92240

Multiple security issues were discovered in Thunderbird, which could result in the execution of arbitrary code.

For the stable distribution (trixie), these problems have been fixed in version 1:140.16.0esr-1~deb13u1.

We recommend that you upgrade your thunderbird packages.

For the detailed security status of thunderbird please refer to its security tracker page at:
https://security-tracker.debian.org/tracker/thunderbird

Further information about Debian Security Advisories, how to apply these updates to your system and frequently asked questions can be found at: https://www.debian.org/security/

Mailing list: [email protected]

Tenable has extracted the preceding description block directly from the Debian 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

Upgrade the thunderbird packages.

Plugin Details

Severity: High

ID: 346455

File Name: debian_DSA-6503.nasl

Version: 1.1

Type: Local

Agent: unix

Family: Debian Local Security Checks

Published: 9/16/2026

Updated: 9/16/2026

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5

Percentile: 93.34

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-2026-92020

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

Vulnerability Information

CPE: cpe:/o:debian:debian_linux:13.0, p-cpe:/a:debian:debian_linux:thunderbird-l10n-af, p-cpe:/a:debian:debian_linux:thunderbird-l10n-all, p-cpe:/a:debian:debian_linux:thunderbird-l10n-ar, p-cpe:/a:debian:debian_linux:thunderbird-l10n-ast, p-cpe:/a:debian:debian_linux:thunderbird-l10n-be, p-cpe:/a:debian:debian_linux:thunderbird-l10n-bg, p-cpe:/a:debian:debian_linux:thunderbird-l10n-br, p-cpe:/a:debian:debian_linux:thunderbird-l10n-ca, p-cpe:/a:debian:debian_linux:thunderbird-l10n-cak, p-cpe:/a:debian:debian_linux:thunderbird-l10n-cs, p-cpe:/a:debian:debian_linux:thunderbird-l10n-cy, p-cpe:/a:debian:debian_linux:thunderbird-l10n-da, p-cpe:/a:debian:debian_linux:thunderbird-l10n-de, p-cpe:/a:debian:debian_linux:thunderbird-l10n-dsb, p-cpe:/a:debian:debian_linux:thunderbird-l10n-el, p-cpe:/a:debian:debian_linux:thunderbird-l10n-en-ca, p-cpe:/a:debian:debian_linux:thunderbird-l10n-en-gb, p-cpe:/a:debian:debian_linux:thunderbird-l10n-es-ar, p-cpe:/a:debian:debian_linux:thunderbird-l10n-es-es, p-cpe:/a:debian:debian_linux:thunderbird-l10n-es-mx, p-cpe:/a:debian:debian_linux:thunderbird-l10n-et, p-cpe:/a:debian:debian_linux:thunderbird-l10n-eu, p-cpe:/a:debian:debian_linux:thunderbird-l10n-fi, p-cpe:/a:debian:debian_linux:thunderbird-l10n-fr, p-cpe:/a:debian:debian_linux:thunderbird-l10n-fy-nl, p-cpe:/a:debian:debian_linux:thunderbird-l10n-ga-ie, p-cpe:/a:debian:debian_linux:thunderbird-l10n-gd, p-cpe:/a:debian:debian_linux:thunderbird-l10n-gl, p-cpe:/a:debian:debian_linux:thunderbird-l10n-he, p-cpe:/a:debian:debian_linux:thunderbird-l10n-hr, p-cpe:/a:debian:debian_linux:thunderbird-l10n-hsb, p-cpe:/a:debian:debian_linux:thunderbird-l10n-hu, p-cpe:/a:debian:debian_linux:thunderbird-l10n-hy-am, p-cpe:/a:debian:debian_linux:thunderbird-l10n-id, p-cpe:/a:debian:debian_linux:thunderbird-l10n-is, p-cpe:/a:debian:debian_linux:thunderbird-l10n-it, p-cpe:/a:debian:debian_linux:thunderbird-l10n-ja, p-cpe:/a:debian:debian_linux:thunderbird-l10n-ka, p-cpe:/a:debian:debian_linux:thunderbird-l10n-kab, p-cpe:/a:debian:debian_linux:thunderbird-l10n-kk, p-cpe:/a:debian:debian_linux:thunderbird-l10n-ko, p-cpe:/a:debian:debian_linux:thunderbird-l10n-lt, p-cpe:/a:debian:debian_linux:thunderbird-l10n-lv, p-cpe:/a:debian:debian_linux:thunderbird-l10n-ms, p-cpe:/a:debian:debian_linux:thunderbird-l10n-nb-no, p-cpe:/a:debian:debian_linux:thunderbird-l10n-nl, p-cpe:/a:debian:debian_linux:thunderbird-l10n-nn-no, p-cpe:/a:debian:debian_linux:thunderbird-l10n-pa-in, p-cpe:/a:debian:debian_linux:thunderbird-l10n-pl, p-cpe:/a:debian:debian_linux:thunderbird-l10n-pt-br, p-cpe:/a:debian:debian_linux:thunderbird-l10n-pt-pt, p-cpe:/a:debian:debian_linux:thunderbird-l10n-rm, p-cpe:/a:debian:debian_linux:thunderbird-l10n-ro, p-cpe:/a:debian:debian_linux:thunderbird-l10n-ru, p-cpe:/a:debian:debian_linux:thunderbird-l10n-sk, p-cpe:/a:debian:debian_linux:thunderbird-l10n-sl, p-cpe:/a:debian:debian_linux:thunderbird-l10n-sq, p-cpe:/a:debian:debian_linux:thunderbird-l10n-sr, p-cpe:/a:debian:debian_linux:thunderbird-l10n-sv-se, p-cpe:/a:debian:debian_linux:thunderbird-l10n-th, p-cpe:/a:debian:debian_linux:thunderbird-l10n-tr, p-cpe:/a:debian:debian_linux:thunderbird-l10n-uk, p-cpe:/a:debian:debian_linux:thunderbird-l10n-uz, p-cpe:/a:debian:debian_linux:thunderbird-l10n-vi, p-cpe:/a:debian:debian_linux:thunderbird-l10n-zh-cn, p-cpe:/a:debian:debian_linux:thunderbird-l10n-zh-tw, p-cpe:/a:debian:debian_linux:thunderbird

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Ease: No known exploits are available

Patch Publication Date: 9/16/2026

Vulnerability Publication Date: 9/15/2026

Reference Information

CVE: CVE-2026-92005, CVE-2026-92006, CVE-2026-92007, CVE-2026-92008, CVE-2026-92009, CVE-2026-92010, CVE-2026-92011, CVE-2026-92012, CVE-2026-92013, CVE-2026-92014, CVE-2026-92015, CVE-2026-92016, CVE-2026-92017, CVE-2026-92018, CVE-2026-92019, CVE-2026-92020, CVE-2026-92021, CVE-2026-92022, CVE-2026-92023, CVE-2026-92024, CVE-2026-92025, CVE-2026-92026, CVE-2026-92027, CVE-2026-92028, CVE-2026-92029, CVE-2026-92030, CVE-2026-92031, CVE-2026-92032, CVE-2026-92238, CVE-2026-92239, CVE-2026-92240

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