DescriptionHeap-based buffer overflow in less in Red Hat Enterprise Linux 3 allows attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted file, as demonstrated using the UTF-8 locale.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
less (PTS)bullseye (security), bullseye551-2+deb11u2fixed
bookworm, bookworm (security)590-2.1~deb12u2fixed
sid, trixie643-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
lesssource(unstable)(not affected)


- less <not-affected> (Red Hat specific less bug)

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