CVE-2026-44631

NameCVE-2026-44631
DescriptionBuffer Underwrite vulnerability in Apache HTTP Server on crafted regular expressions in the configuration. This issue affects Apache HTTP Server: from 2.4.0 through 2.4.67. Users are recommended to upgrade to version 2.4.68, which fixes the issue.
SourceCVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs1139340

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
apache2 (PTS)bullseye2.4.62-1~deb11u1vulnerable
bullseye (security)2.4.67-1~deb11u2vulnerable
bookworm2.4.67-1~deb12u2vulnerable
bookworm (security)2.4.67-1~deb12u3vulnerable
trixie2.4.67-1~deb13u2vulnerable
trixie (security)2.4.67-1~deb13u3vulnerable
forky2.4.67-1vulnerable
sid2.4.67-2vulnerable

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
apache2source(unstable)(unfixed)1139340

Notes

https://httpd.apache.org/security/vulnerabilities_24.html#CVE-2026-44631
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