CVE-2025-13020

HIGH

Firefox < 145.0 and Firefox ESR < 140.5 - Use-After-Free in WebRTC Audio/Video Component

Title source: llm
STIX 2.1

Description

Use-after-free in the WebRTC: Audio/Video component. This vulnerability was fixed in Firefox 145, Firefox ESR 140.5, Thunderbird 145, and Thunderbird 140.5.

References (5)

Core 5

Scores

CVSS v3 8.8
EPSS 0.0006
EPSS Percentile 17.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-416
Status published
Products (6)
mozilla/firefox < 140.5.0
mozilla/firefox < 145.0
Mozilla/Firefox 140.5 - 140.*
Mozilla/Firefox 145
Mozilla/Thunderbird 140.5 - 140.*
Mozilla/Thunderbird 145
Published Nov 11, 2025
Tracked Since Feb 18, 2026