CVE-2023-23456

NameCVE-2023-23456
DescriptionA heap-based buffer overflow issue was discovered in UPX in PackTmt::pack() in p_tmt.cpp file. The flow allows an attacker to cause a denial of service (abort) via a crafted file.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs1033258

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
upx-ucl (PTS)buster3.95-1vulnerable
bullseye3.96-2vulnerable
sid, trixie4.2.2-3fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
upx-uclsource(unstable)4.2.2-11033258

Notes

[bullseye] - upx-ucl <no-dsa> (Minor issue)
[buster] - upx-ucl <no-dsa> (Minor issue)
https://bugzilla.redhat.com/show_bug.cgi?id=2160381
https://github.com/upx/upx/commit/510505a85cbe45e51fbd470f1aa8b02157c429d4 (v4.0.2)
https://github.com/upx/upx/issues/632

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