CVE-2026-14241

UNKNOWN 0.0

Memory safety bugs fixed in Firefox 152.0.4

CVSS Score

0.0

EPSS Score

0.0%

EPSS Percentile

0th

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.

Vendor	mozilla
Product	firefox
Ecosystems	Browser JavaScript
Industries	Technology
Published	Jun 30, 2026

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Affected Versions

Mozilla / Firefox

All versions affected

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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

Credits

Christian Holler, Gabriele Svelto, Greg Stoll and the Mozilla Fuzzing Team