A AegiFlow
HIGHCVSS 8.8

CVE-2026-12291

CVE-2026-12291 updated by NVD

Modified
2026-10-28
Sources
nvd

Summary

Use-after-free in the Networking: HTTP component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12.

References

Includes data from the National Vulnerability Database (NIST). NVD data is in the public domain; this page is not endorsed by NIST.

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