CVE-2026-34502

NameCVE-2026-34502
DescriptionHeap-based Buffer Overflow vulnerability in Apache Portable Runtime Utility memcached client This issue affects Apache Portable Runtime Utility: from 1.3.0 through 1.6.3.
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)
ReferencesDSA-6437-1
Debian Bugs1143837

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
apr-util (PTS)bullseye (security), bullseye1.6.1-5+deb11u1vulnerable
bookworm1.6.3-1vulnerable
trixie1.6.3-3vulnerable
trixie (security)1.6.3-3+deb13u1fixed
forky, sid1.6.4-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
apr-utilsourcetrixie1.6.3-3+deb13u1DSA-6437-1
apr-utilsource(unstable)1.6.4-11143837

Notes

https://lists.apache.org/thread/spk5643m4vq0mb8h5b9hz9gkp57ombl8
Fixed by: https://github.com/apache/apr-util/commit/f1c98dd0847c43375daf3789c936685adbc6d872 (1.6.4-rc1-candidate)

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