Debian dla-4582 : thunderbird - security update

critical Nessus Plugin ID 314704

Synopsis

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

Description

The remote Debian 11 host has packages installed that are affected by multiple vulnerabilities as referenced in the dla-4582 advisory.

- ------------------------------------------------------------------------- Debian LTS Advisory DLA-4582-1 [email protected] https://www.debian.org/lts/security/ Emilio Pozuelo Monfort May 14, 2026 https://wiki.debian.org/LTS
- -------------------------------------------------------------------------

Package : thunderbird Version : 1:140.10.2esr-1~deb11u1 CVE ID : CVE-2026-8090 CVE-2026-8092 CVE-2026-8094

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

For Debian 11 bullseye, these problems have been fixed in version 1:140.10.2esr-1~deb11u1.

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 LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: https://wiki.debian.org/LTS

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: Critical

ID: 314704

File Name: debian_DLA-4582.nasl

Version: 1.1

Type: Local

Agent: unix

Family: Debian Local Security Checks

Published: 5/14/2026

Updated: 5/14/2026

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.4

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-2026-8094

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/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:11.0, p-cpe:/a:debian:debian_linux:thunderbird-l10n-uz, p-cpe:/a:debian:debian_linux:thunderbird-l10n-ga-ie, p-cpe:/a:debian:debian_linux:thunderbird-l10n-rm, p-cpe:/a:debian:debian_linux:thunderbird-l10n-cak, p-cpe:/a:debian:debian_linux:thunderbird-l10n-af, p-cpe:/a:debian:debian_linux:thunderbird-l10n-en-ca, p-cpe:/a:debian:debian_linux:thunderbird-l10n-es-es, p-cpe:/a:debian:debian_linux:thunderbird-l10n-kab, p-cpe:/a:debian:debian_linux:thunderbird-l10n-nn-no, p-cpe:/a:debian:debian_linux:thunderbird-l10n-pl, p-cpe:/a:debian:debian_linux:thunderbird-l10n-ru, p-cpe:/a:debian:debian_linux:thunderbird-l10n-hu, p-cpe:/a:debian:debian_linux:thunderbird-l10n-sq, p-cpe:/a:debian:debian_linux:thunderbird-l10n-fy-nl, p-cpe:/a:debian:debian_linux:thunderbird-l10n-hr, 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-l10n-vi, p-cpe:/a:debian:debian_linux:thunderbird-l10n-pt-pt, p-cpe:/a:debian:debian_linux:thunderbird-l10n-th, p-cpe:/a:debian:debian_linux:thunderbird-l10n-sr, p-cpe:/a:debian:debian_linux:thunderbird, p-cpe:/a:debian:debian_linux:thunderbird-l10n-ast, p-cpe:/a:debian:debian_linux:thunderbird-l10n-ja, p-cpe:/a:debian:debian_linux:thunderbird-l10n-sl, p-cpe:/a:debian:debian_linux:thunderbird-l10n-tr, p-cpe:/a:debian:debian_linux:thunderbird-l10n-en-gb, p-cpe:/a:debian:debian_linux:thunderbird-l10n-bg, p-cpe:/a:debian:debian_linux:thunderbird-l10n-ar, p-cpe:/a:debian:debian_linux:thunderbird-l10n-gl, p-cpe:/a:debian:debian_linux:thunderbird-l10n-lv, p-cpe:/a:debian:debian_linux:thunderbird-l10n-sk, p-cpe:/a:debian:debian_linux:thunderbird-l10n-el, p-cpe:/a:debian:debian_linux:thunderbird-l10n-fi, p-cpe:/a:debian:debian_linux:thunderbird-l10n-de, p-cpe:/a:debian:debian_linux:thunderbird-l10n-fr, p-cpe:/a:debian:debian_linux:thunderbird-l10n-it, p-cpe:/a:debian:debian_linux:thunderbird-l10n-pt-br, p-cpe:/a:debian:debian_linux:thunderbird-l10n-lt, p-cpe:/a:debian:debian_linux:thunderbird-l10n-nb-no, p-cpe:/a:debian:debian_linux:thunderbird-l10n-hsb, p-cpe:/a:debian:debian_linux:thunderbird-l10n-da, p-cpe:/a:debian:debian_linux:thunderbird-l10n-is, p-cpe:/a:debian:debian_linux:thunderbird-l10n-ca, p-cpe:/a:debian:debian_linux:thunderbird-l10n-nl, p-cpe:/a:debian:debian_linux:thunderbird-l10n-cs, p-cpe:/a:debian:debian_linux:thunderbird-l10n-pa-in, p-cpe:/a:debian:debian_linux:thunderbird-l10n-ro, p-cpe:/a:debian:debian_linux:thunderbird-l10n-uk, p-cpe:/a:debian:debian_linux:thunderbird-l10n-es-ar, p-cpe:/a:debian:debian_linux:thunderbird-l10n-he, p-cpe:/a:debian:debian_linux:thunderbird-l10n-ko, p-cpe:/a:debian:debian_linux:thunderbird-l10n-all, p-cpe:/a:debian:debian_linux:thunderbird-l10n-eu, p-cpe:/a:debian:debian_linux:thunderbird-l10n-et, p-cpe:/a:debian:debian_linux:thunderbird-l10n-gd, p-cpe:/a:debian:debian_linux:thunderbird-l10n-es-mx, p-cpe:/a:debian:debian_linux:thunderbird-l10n-be, p-cpe:/a:debian:debian_linux:thunderbird-l10n-ms, p-cpe:/a:debian:debian_linux:thunderbird-l10n-br, p-cpe:/a:debian:debian_linux:thunderbird-l10n-kk, p-cpe:/a:debian:debian_linux:thunderbird-l10n-id, p-cpe:/a:debian:debian_linux:thunderbird-l10n-ka, p-cpe:/a:debian:debian_linux:thunderbird-l10n-hy-am, p-cpe:/a:debian:debian_linux:thunderbird-l10n-dsb, p-cpe:/a:debian:debian_linux:thunderbird-l10n-sv-se, p-cpe:/a:debian:debian_linux:thunderbird-l10n-cy

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

Exploit Ease: No known exploits are available

Patch Publication Date: 5/14/2026

Vulnerability Publication Date: 4/30/2026

Reference Information

CVE: CVE-2026-8090, CVE-2026-8092, CVE-2026-8094

Detections

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