CVEvulnerability

CVE-2026-3847

8.8 HIGH Published 2026-03-10 Modified 2026-06-17 Official page ↗

Status: Modified
Published: 2026-03-10
Last modified: 2026-06-17
Assigner: [email protected]
CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0): 8.8 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weaknesses: CWE-119, CWE-416

Description

Memory safety bugs present in Firefox 148.0.2. 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 148.0.2.

Affected configurations

• mozilla firefox (< 148.0.2)

Weakness · CWE (2)

CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer weakness
CWE-416 Use After Free weakness

References

https://bugzilla.mozilla.org/buglist.cgi?bug_id=2017513%2C2017622%2C2019341 Broken Link
https://www.mozilla.org/security/advisories/mfsa2026-19/ Vendor Advisory

CVE-2026-3847

Description

Affected configurations

Related

Weakness · CWE (2)

References