Mozilla Foundation Security Advisory 2026-62

Security Vulnerabilities fixed in Firefox 152.0.4

Announced
June 30, 2026
Impact
high
Products
Firefox
Fixed in
  • Firefox 152.0.4

#CVE-2026-14241: Memory safety bugs fixed in Firefox 152.0.4

Reporter
Christian Holler, Gabriele Svelto, Greg Stoll and the Mozilla Fuzzing Team
Impact
high
Description

Memory safety bugs present in Firefox 152.0.3. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code.

References