CVE-2019-20021

NameCVE-2019-20021
DescriptionA heap-based buffer over-read was discovered in canUnpack in p_mach.cpp in UPX 3.95 via a crafted Mach-O file.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs947471

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
upx-ucl (PTS)bullseye3.96-2fixed
trixie, sid4.2.4-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
upx-uclsource(unstable)3.96-1unimportant947471

Notes

https://github.com/upx/upx/issues/315
https://github.com/upx/upx/commit/819c33fee2b2c33b96bef27a13cb20f2589819aa

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