CVE-2023-23457

NameCVE-2023-23457
DescriptionA Segmentation fault was found in UPX in PackLinuxElf64::invert_pt_dynamic() in p_lx_elf.cpp. An attacker with a crafted input file allows invalid memory address access that could lead to a denial of service.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs1031874

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
upx-ucl (PTS)jessie3.91-1vulnerable
stretch3.91-4vulnerable
buster3.95-1vulnerable
bullseye3.96-2vulnerable
bullseye (security)3.96-2+deb11u1vulnerable
sid, trixie4.2.4-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
upx-uclsource(unstable)4.2.2-1unimportant1031874

Notes

https://bugzilla.redhat.com/show_bug.cgi?id=2160382
https://github.com/upx/upx/commit/779b648c5f6aa9b33f4728f79dd4d0efec0bf860 (v4.0.2)
https://github.com/upx/upx/issues/631

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