DescriptionA double free exists in the another_hunk function in pch.c in GNU patch through 2.7.6.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severitymedium

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
patch (PTS)jessie2.7.5-1+deb8u1vulnerable
jessie (security)2.7.5-1+deb8u3vulnerable
stretch (security), stretch2.7.5-1+deb9u2vulnerable
buster, buster (security)2.7.6-3+deb10u1vulnerable
bullseye, sid2.7.6-6vulnerable

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs

Crash in CLI tool, no security impact

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