cve.bz

CVE-2026-2447

8.8 highEPSS 0.7%

High (8.8) in mozilla. EPSS 0.7% chance of exploitation in the next 30 days.

Heap buffer overflow in libvpx. This vulnerability was fixed in Firefox 147.0.4, Firefox ESR 140.7.1, Firefox ESR 115.32.1, Thunderbird 140.7.2, and Thunderbird 147.0.2.

Severity

CVSS 3.1

8.8 high
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
0.7% chance of exploitation in the next 30 days; higher than 53% of CVEs (scores of 2026-10-31)
CWE
CWE-122
Published
Modified
Record from
the NVD, synced

Affected

References

Check your stackJSON