CVE-2021-34798

NameCVE-2021-34798
DescriptionMalformed requests may cause the server to dereference a NULL pointer. This issue affects Apache HTTP Server 2.4.48 and earlier.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-2776-1, DSA-4982-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
apache2 (PTS)bullseye2.4.62-1~deb11u1fixed
bullseye (security)2.4.62-1~deb11u2fixed
bookworm, bookworm (security)2.4.62-1~deb12u2fixed
sid, trixie2.4.62-3fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
apache2sourcestretch2.4.25-3+deb9u11DLA-2776-1
apache2sourcebuster2.4.38-3+deb10u6DSA-4982-1
apache2sourcebullseye2.4.51-1~deb11u1DSA-4982-1
apache2source(unstable)2.4.49-1

Notes

https://httpd.apache.org/security/vulnerabilities_24.html#CVE-2021-34798
https://github.com/apache/httpd/commit/fa7b2a5250e54363b3a6c8ac3aaa7de4e8da9b2e (candidate-2.4.49-rc1)

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