PT-2025-39984 · Mozilla+1 · Firefox+1

Nan Wang · Published 2025-09-30 · Updated 2026-04-15 · CVE-2025-11153

Positive Technologies (AI Summary)

CVSS v2.0

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 143.0.3

Description This issue affects Firefox and relates to a use-after-free condition within the JIT (Just-In-Time) compiler, potentially leading to remote code execution (RCE) due to a JIT miscompilation.

Recommendations Update Firefox to version 143.0.3 or later.

Fix

RCE

Code Injection

Weakness Enumeration

CWE-94

CWE-20

Related Identifiers

ALT-PU-2025-13476

BDU:2025-12849

CVE-2025-11153

OPENSUSE-SU-2025:15593-1

Affected Products

Alt Linux

Firefox

References · 22

• https://mozilla.org/en-US/security/advisories/mfsa2025-80 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2025-11153 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2025-11153 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2025-11153 · Security Note
• https://wiki.astralinux.ru/astra-linux-se17-bulletin-2025-1202SE17 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2025:15593-1 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2025-11153 · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-12849 · Security Note
• https://wiki.astralinux.ru/astra-linux-se18-bulletin-2025-1113SE18 · Vendor Advisory
• https://wiki.astralinux.ru/astra-linux-se16-bulletin-20251225SE16 · Vendor Advisory
• https://wiki.astralinux.ru/astra-linux-se47-bulletin-2025-1216SE145 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-11153 · Vendor Advisory
• https://mozilla.org/security/advisories/mfsa2025-80 · Vendor Advisory
• https://twitter.com/CVEnew/status/1973012011903578452 · Twitter Post
• https://twitter.com/giuseppe_1337/status/2044205494848336245 · Twitter Post