Debian dsa-6536 : thunderbird - security update

critical Nessus Plugin ID 362453

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-6536 advisory.

- ------------------------------------------------------------------------- Debian Security Advisory DSA-6536-1 [email protected] https://www.debian.org/security/ Moritz Muehlenhoff October 01, 2026 https://www.debian.org/security/faq
- -------------------------------------------------------------------------

Package : thunderbird CVE ID : CVE-2026-92035 CVE-2026-96869 CVE-2026-100756 CVE-2026-100757 CVE-2026-100758 CVE-2026-100759 CVE-2026-100762 CVE-2026-100766 CVE-2026-100767 CVE-2026-100769 CVE-2026-100770 CVE-2026-100771 CVE-2026-100772 CVE-2026-100773 CVE-2026-100774 CVE-2026-100775 CVE-2026-100776 CVE-2026-100777 CVE-2026-100778 CVE-2026-100779 CVE-2026-100780 CVE-2026-100781 CVE-2026-100782 CVE-2026-100783 CVE-2026-100784 CVE-2026-100785 CVE-2026-100786 CVE-2026-100788 CVE-2026-100789 CVE-2026-100790 CVE-2026-100791 CVE-2026-100792 CVE-2026-100794 CVE-2026-100797 CVE-2026-100801 CVE-2026-100803 CVE-2026-100807 CVE-2026-100811 CVE-2026-100818 CVE-2026-100819 CVE-2026-100820 CVE-2026-100821 CVE-2026-100832 CVE-2026-103500

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 1:140.17.0esr-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: Critical

ID: 362453

File Name: debian_DSA-6536.nasl

Version: 1.1

Type: Local

Agent: unix

Family: Debian Local Security Checks

Published: 10/1/2026

Updated: 10/1/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.9

Percentile: 96.5

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-2026-92035

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

CVSS Score Source: CVE-2026-100788

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: 10/1/2026

Vulnerability Publication Date: 9/15/2026

Reference Information

CVE: CVE-2026-100756, CVE-2026-100757, CVE-2026-100758, CVE-2026-100759, CVE-2026-100762, CVE-2026-100766, CVE-2026-100767, CVE-2026-100769, CVE-2026-100770, CVE-2026-100771, CVE-2026-100772, CVE-2026-100773, CVE-2026-100774, CVE-2026-100775, CVE-2026-100776, CVE-2026-100777, CVE-2026-100778, CVE-2026-100779, CVE-2026-100780, CVE-2026-100781, CVE-2026-100782, CVE-2026-100783, CVE-2026-100784, CVE-2026-100785, CVE-2026-100786, CVE-2026-100788, CVE-2026-100789, CVE-2026-100790, CVE-2026-100791, CVE-2026-100792, CVE-2026-100794, CVE-2026-100797, CVE-2026-100801, CVE-2026-100803, CVE-2026-100807, CVE-2026-100811, CVE-2026-100818, CVE-2026-100819, CVE-2026-100820, CVE-2026-100821, CVE-2026-100832, CVE-2026-103500, CVE-2026-92035, CVE-2026-96869

IAVA: 2026-A-1069

Detections

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