CVE-2026-14241

Memory safety bugs fixed in Firefox 152.0.4

State: Published
Severity: 7.5 High
Published: Jun 30, 2026
Updated: Jul 6, 2026
Reserved: Jun 30, 2026

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. This vulnerability was fixed in Firefox 152.0.4.

Scores

CVSS	Score	Vector	Source
3.1	7.5 High	CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H	CISA-ADP

Weaknesses

CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

Affected Products

Product	Versions
FirefoxMozilla	152.0.4 and laterNot affected

References

High Severity memory safety bugs fixed in Firefox 152.0.4
Moderate Severity memory safety bugs fixed in Firefox 152.0.4
https://www.mozilla.org/security/advisories/mfsa2026-62/

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.