Mozilla Foundation Security Advisory 2023-44

Security Vulnerability fixed in Firefox 118.0.1, Firefox ESR 115.3.1, Firefox for Android 118.1.0, Firefox Focus for Android 118.1.0, and Thunderbird 115.3.1.

Announced
September 28, 2023
Impact
critical
Products
Firefox, Firefox ESR, Firefox Focus for Android, Firefox for Android, Thunderbird
Fixed in
  • Firefox 118.0.1
  • Firefox ESR 115.3.1
  • Firefox Focus for Android 118.1
  • Firefox for Android 118.1
  • Thunderbird 115.3.1

#CVE-2023-5217: Heap buffer overflow in libvpx

Reporter
Clément Lecigne of Google's Threat Analysis Group
Impact
critical
Description

Specific handling of an attacker-controlled VP8 media stream could lead to a heap buffer overflow in the content process. We are aware of this issue being exploited in other products in the wild.

References