CVE-2026-14241

Memory safety bugs fixed in Firefox 152.0.4

EPSS 0.3%

Vexday Risk Score

3Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS —EPSS 0.3%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

30 Jun 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

Affected products

Mozilla · Firefox

References

https://bugzilla.mozilla.org/buglist.cgi?bug_id=2043241%2C2045514%2C2045576%2C2045623%2C2045765%2C2049409%2C2049840 https://bugzilla.mozilla.org/show_bug.cgi?id=2046814 https://www.mozilla.org/security/advisories/mfsa2026-62/