PT-2025-41899 · Mozilla+10 · Thunderbird+12

Entryhi · Published 2025-10-14 · Updated 2026-02-02 · CVE-2025-11711

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

AV:N/AC:L/Au:N/C:N/I:C/A:N

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 144 Firefox ESR versions prior to 115.29 Firefox ESR versions prior to 140.4 Thunderbird versions prior to 144 Thunderbird versions prior to 140.4

Description A flaw existed that allowed modification of JavaScript Object properties designated as non-writeable. This could potentially lead to unexpected behavior or security compromises.

Recommendations Update Firefox to version 144 or later. Update Firefox ESR to version 115.29 or later. Update Firefox ESR to version 140.4 or later. Update Thunderbird to version 144 or later. Update Thunderbird to version 140.4 or later.

Fix

Weakness Enumeration

CWE-591

Related Identifiers

ALSA-2025:18154

ALSA-2025:18155

ALSA-2025:18285

ALSA-2025:18320

ALSA-2025:18321

ALSA-2025:18983

ALT-PU-2025-13161

ALT-PU-2025-13476

ALT-PU-2025-13478

ALT-PU-2025-14599

BDU:2025-13291

CESA-2025_18285

CESA-2025_18983

CVE-2025-11711

DLA-4335-1

DLA-4351-1

DSA-6025-1

DSA-6040-1

INFSA-2025_18155

INFSA-2025_18285

INFSA-2025_18321

INFSA-2025_18983

MGASA-2025-0246

MGASA-2025-0247

OESA-2025-2476

OESA-2025-2477

OESA-2025-2478

OESA-2025-2519

OESA-2025-2557

OESA-2025-2596

OPENSUSE-SU-2025:15632-1

OPENSUSE-SU-2025:15645-1

OPENSUSE-SU-2025:15646-1

OPENSUSE-SU-2025:20026-1

OPENSUSE-SU-2025:20065-1

RHSA-2025_18155

RHSA-2025_18285

RHSA-2025_18321

RHSA-2025_18983

SUSE-SU-2025:21021-1

SUSE-SU-2025:3775-1

SUSE-SU-2025:3808-1

SUSE-SU-2025:4006-1

SUSE-SU-2025:4173-1

SUSE-SU-2025:4174-1

USN-7991-1

Affected Products

Alt Linux

Almalinux

Centos

Debian

Firefox

Firefox Esr

Linuxmint

Red Hat

Red Os

Rocky Linux

Suse

Thunderbird

Ubuntu

References · 317

• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-11711 · Security Note
• https://ubuntu.com/security/CVE-2026-0887 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2025-11711 · Security Note
• https://ubuntu.com/security/CVE-2026-0891 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-10533 · Security Note
• https://ubuntu.com/security/CVE-2025-14328 · Vendor Advisory
• https://osv.dev/vulnerability/OESA-2025-2477 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-11715 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-8038 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-6434 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-0243 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-6435 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-5283 · Vendor Advisory
• https://wiki.astralinux.ru/astra-linux-se47-bulletin-2025-1216SE160 · Vendor Advisory
• https://mozilla.org/security/advisories/mfsa2025-81 · Vendor Advisory