PT-2025-41896 · Mozilla+9 · Thunderbird+11

Irvan Kurniawan · Published 2025-10-14 · Updated 2026-04-15 · CVE-2025-11708

Positive Technologies (AI Summary)

CVSS v2.0

10

Critical

Base vector

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

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

Description A use-after-free issue exists in the MediaTrackGraphImpl::GetInstance() function. This can occur due to improper memory management within the function.

Recommendations Update Firefox to version 144 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

Use After Free

Weakness Enumeration

CWE-416

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:2025-13289

CESA-2025_18285

CESA-2025_18983

CVE-2025-11708

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-2025:18154

RHSA-2025:18155

RHSA-2025:18285

RHSA-2025:18320

RHSA-2025:18321

RHSA-2025:18983

RHSA-2025:19278

RHSA-2025:19938

RHSA-2025:19939

RHSA-2025:19941

RHSA-2025:19942

RHSA-2025:19943

RHSA-2025:19944

RHSA-2025:19945

RHSA-2025:21054

RHSA-2025:21055

RHSA-2025:21056

RHSA-2025:21057

RHSA-2025:21058

RHSA-2025:21059

RHSA-2025:21064

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

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

Rocky Linux

Suse

Thunderbird

Ubuntu

References · 314

• https://ubuntu.com/security/CVE-2026-0887 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-10533 · Security Note
• https://ubuntu.com/security/CVE-2026-0891 · Vendor Advisory
• 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://mozilla.org/security/advisories/mfsa2025-81 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2025-11708 · Security Note
• https://ubuntu.com/security/CVE-2026-0877 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-11712 · Vendor Advisory