DescriptionThe compress_bidder_init function in archive_read_support_filter_compress.c in libarchive before 3.2.0 allows remote attackers to cause a denial of service (crash) via a crafted tar file, which triggers an invalid left shift.
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)
ReferencesDLA-554-1, DSA-3657-1
NVD severitymedium

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
libarchive (PTS)stretch (security), stretch3.2.2-2+deb9u2fixed
buster, buster (security)3.3.3-4+deb10u1fixed
bullseye, sid3.4.3-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs

Fixed by: (v3.1.900a)
and part of (v3.1.900a)
and (v3.1.900a)
Part of the problematic code was introduced with commit bf4f6ec64ef3edefbc41172692868fb8df514805
to fix

Search for package or bug name: Reporting problems