CVE-2016-5300

NameCVE-2016-5300
DescriptionThe XML parser in Expat does not use sufficient entropy for hash initialization, which allows context-dependent attackers to cause a denial of service (CPU consumption) via crafted identifiers in an XML document. NOTE: this vulnerability exists because of an incomplete fix for CVE-2012-0876.
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)
ReferencesDLA-508-1, DSA-3597-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
expat (PTS)buster2.2.6-2+deb10u4fixed
buster (security)2.2.6-2+deb10u6fixed
bullseye (security), bullseye2.2.10-2+deb11u5fixed
bookworm, sid2.5.0-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
expatsourcewheezy2.1.0-1+deb7u4DLA-508-1
expatsourcejessie2.1.0-6+deb8u3DSA-3597-1
expatsource(unstable)2.1.1-3

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