CVEvulnerability

CVE-2025-5272

7.3 HIGH Published 2025-05-27 Modified 2026-09-30 Official page ↗

Status: Modified
Published: 2025-05-27
Last modified: 2026-09-30
Assigner: [email protected]
CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0): 7.3 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Weaknesses: CWE-787

Description

Memory safety bugs present in Firefox 138 and Thunderbird 138. 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 139 and Thunderbird 139.

Affected configurations

• mozilla firefox (< 139.0) • mozilla thunderbird (< 139.0)

Weakness · CWE (1)

CWE-787 Out-of-bounds Write weakness

References

https://bugzilla.mozilla.org/buglist.cgi?bug_id=1726254%2C1742738%2C1960121 Broken Link
https://www.mozilla.org/security/advisories/mfsa2025-42/ Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2025-45/ www.mozilla.org

CVE-2025-5272

Description

Affected configurations

Related

Weakness · CWE (1)

References