CVE-2020-27801

NameCVE-2020-27801
DescriptionA heap-based buffer over-read was discovered in the get_le64 function in bele.h in UPX 4.0.0 via a crafted Mach-O file.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
upx-ucl (PTS)buster3.95-1vulnerable
bullseye3.96-2vulnerable
bookworm, sid3.96-3vulnerable

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
upx-uclsource(unstable)(unfixed)unimportant

Notes

https://github.com/upx/upx/issues/394
https://github.com/upx/upx/commit/49edccd7165696dcc0bf79f50cae4011313ddd28

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