Descriptionarchive_read_support_format_rar5.c in libarchive before 3.4.2 attempts to unpack a RAR5 file with an invalid or corrupted header (such as a header size of zero), leading to a SIGSEGV or possibly unspecified other impact.
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)
Debian Bugs951759

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
libarchive (PTS)buster, buster (security)3.3.3-4+deb10u1fixed
bookworm, sid3.6.0-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
libarchivesourcejessie(not affected)
libarchivesourcestretch(not affected)
libarchivesourcebuster(not affected)


[buster] - libarchive <not-affected> (rar5 support added in 3.4.0)
[stretch] - libarchive <not-affected> (rar5 support added in 3.4.0)
[jessie] - libarchive <not-affected> (rar5 support added in 3.4.0)

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