Debian dla-4511 : thunderbird - security update

critical Nessus Plugin ID 303891

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-4511 advisory.

- ------------------------------------------------------------------------- Debian LTS Advisory DLA-4511-1 [email protected] https://www.debian.org/lts/security/ Emilio Pozuelo Monfort March 26, 2026 https://wiki.debian.org/LTS
- -------------------------------------------------------------------------

Package : thunderbird Version : 1:140.9.0esr-1~deb11u1 CVE ID : CVE-2025-59375 CVE-2026-3889 CVE-2026-4371 CVE-2026-4684 CVE-2026-4685 CVE-2026-4686 CVE-2026-4687 CVE-2026-4688 CVE-2026-4689 CVE-2026-4690 CVE-2026-4691 CVE-2026-4692 CVE-2026-4693 CVE-2026-4694 CVE-2026-4695 CVE-2026-4696 CVE-2026-4697 CVE-2026-4698 CVE-2026-4699 CVE-2026-4700 CVE-2026-4701 CVE-2026-4702 CVE-2026-4704 CVE-2026-4705 CVE-2026-4706 CVE-2026-4707 CVE-2026-4708 CVE-2026-4709 CVE-2026-4710 CVE-2026-4713 CVE-2026-4714 CVE-2026-4715 CVE-2026-4716 CVE-2026-4717 CVE-2026-4718 CVE-2026-4719 CVE-2026-4720 CVE-2026-4721

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

For Debian 11 bullseye, these problems have been fixed in version 1:140.9.0esr-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: 303891

File Name: debian_DLA-4511.nasl

Version: 1.1

Type: local

Agent: unix

Family: Debian Local Security Checks

Published: 3/26/2026

Updated: 3/26/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.4

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2026-4717

CVSS v3

Risk Factor: Critical

Base Score: 10

Temporal Score: 9

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

CVSS Score Source: CVE-2026-4692

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:thunderbird-l10n-el, p-cpe:/a:debian:debian_linux:thunderbird-l10n-ro, p-cpe:/a:debian:debian_linux:thunderbird-l10n-he, p-cpe:/a:debian:debian_linux:thunderbird-l10n-id, cpe:/o:debian:debian_linux:11.0, p-cpe:/a:debian:debian_linux:thunderbird-l10n-bg, p-cpe:/a:debian:debian_linux:thunderbird-l10n-gd, p-cpe:/a:debian:debian_linux:thunderbird-l10n-dsb, p-cpe:/a:debian:debian_linux:thunderbird-l10n-fy-nl, p-cpe:/a:debian:debian_linux:thunderbird-l10n-sr, p-cpe:/a:debian:debian_linux:thunderbird-l10n-ja, p-cpe:/a:debian:debian_linux:thunderbird-l10n-cs, p-cpe:/a:debian:debian_linux:thunderbird-l10n-et, p-cpe:/a:debian:debian_linux:thunderbird-l10n-es-mx, p-cpe:/a:debian:debian_linux:thunderbird-l10n-sv-se, 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-tr, p-cpe:/a:debian:debian_linux:thunderbird-l10n-all, p-cpe:/a:debian:debian_linux:thunderbird-l10n-sl, p-cpe:/a:debian:debian_linux:thunderbird-l10n-fr, p-cpe:/a:debian:debian_linux:thunderbird-l10n-nb-no, 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-hu, p-cpe:/a:debian:debian_linux:thunderbird-l10n-fi, p-cpe:/a:debian:debian_linux:thunderbird-l10n-da, p-cpe:/a:debian:debian_linux:thunderbird-l10n-nl, p-cpe:/a:debian:debian_linux:thunderbird-l10n-kk, p-cpe:/a:debian:debian_linux:thunderbird-l10n-ru, p-cpe:/a:debian:debian_linux:thunderbird-l10n-ca, p-cpe:/a:debian:debian_linux:thunderbird-l10n-cy, p-cpe:/a:debian:debian_linux:thunderbird-l10n-uz, p-cpe:/a:debian:debian_linux:thunderbird-l10n-es-es, p-cpe:/a:debian:debian_linux:thunderbird-l10n-pt-br, p-cpe:/a:debian:debian_linux:thunderbird-l10n-hsb, p-cpe:/a:debian:debian_linux:thunderbird-l10n-is, p-cpe:/a:debian:debian_linux:thunderbird-l10n-en-ca, p-cpe:/a:debian:debian_linux:thunderbird-l10n-pl, p-cpe:/a:debian:debian_linux:thunderbird-l10n-en-gb, p-cpe:/a:debian:debian_linux:thunderbird-l10n-ar, 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-lt, p-cpe:/a:debian:debian_linux:thunderbird-l10n-ga-ie, p-cpe:/a:debian:debian_linux:thunderbird-l10n-hr, p-cpe:/a:debian:debian_linux:thunderbird-l10n-be, p-cpe:/a:debian:debian_linux:thunderbird-l10n-vi, p-cpe:/a:debian:debian_linux:thunderbird-l10n-uk, p-cpe:/a:debian:debian_linux:thunderbird-l10n-br, p-cpe:/a:debian:debian_linux:thunderbird-l10n-zh-cn, p-cpe:/a:debian:debian_linux:thunderbird-l10n-gl, p-cpe:/a:debian:debian_linux:thunderbird-l10n-de, p-cpe:/a:debian:debian_linux:thunderbird-l10n-ko, p-cpe:/a:debian:debian_linux:thunderbird-l10n-pt-pt, p-cpe:/a:debian:debian_linux:thunderbird-l10n-it, p-cpe:/a:debian:debian_linux:thunderbird-l10n-ms, p-cpe:/a:debian:debian_linux:thunderbird-l10n-ka, p-cpe:/a:debian:debian_linux:thunderbird-l10n-zh-tw, p-cpe:/a:debian:debian_linux:thunderbird-l10n-th, p-cpe:/a:debian:debian_linux:thunderbird, p-cpe:/a:debian:debian_linux:thunderbird-l10n-ast, p-cpe:/a:debian:debian_linux:thunderbird-l10n-es-ar, p-cpe:/a:debian:debian_linux:thunderbird-l10n-sq, p-cpe:/a:debian:debian_linux:thunderbird-l10n-pa-in, p-cpe:/a:debian:debian_linux:thunderbird-l10n-eu, p-cpe:/a:debian:debian_linux:thunderbird-l10n-hy-am

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 3/26/2026

Vulnerability Publication Date: 6/10/2025

Reference Information

CVE: CVE-2025-59375, CVE-2026-3889, CVE-2026-4371, CVE-2026-4684, CVE-2026-4685, CVE-2026-4686, CVE-2026-4687, CVE-2026-4688, CVE-2026-4689, CVE-2026-4690, CVE-2026-4691, CVE-2026-4692, CVE-2026-4693, CVE-2026-4694, CVE-2026-4695, CVE-2026-4696, CVE-2026-4697, CVE-2026-4698, CVE-2026-4699, CVE-2026-4700, CVE-2026-4701, CVE-2026-4702, CVE-2026-4704, CVE-2026-4705, CVE-2026-4706, CVE-2026-4707, CVE-2026-4708, CVE-2026-4709, CVE-2026-4710, CVE-2026-4713, CVE-2026-4714, CVE-2026-4715, CVE-2026-4716, CVE-2026-4717, CVE-2026-4718, CVE-2026-4719, CVE-2026-4720, CVE-2026-4721

IAVA: 2026-A-0275

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