CVE-2021-3516

NameCVE-2021-3516
Descriptionuse-after-free in xmlEncodeEntitiesInternal() in entities.c
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-2653-1
Debian Bugs987739

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
libxml2 (PTS)stretch2.9.4+dfsg1-2.2+deb9u2vulnerable
stretch (security)2.9.4+dfsg1-2.2+deb9u4fixed
buster2.9.4+dfsg1-7+deb10u1vulnerable
bullseye, sid2.9.10+dfsg-6.6fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
libxml2sourcestretch2.9.4+dfsg1-2.2+deb9u4DLA-2653-1
libxml2source(unstable)2.9.10+dfsg-6.6987739

Notes

[buster] - libxml2 <no-dsa> (Minor issue)
https://gitlab.gnome.org/GNOME/libxml2/-/issues/230
https://gitlab.gnome.org/GNOME/libxml2/-/commit/1358d157d0bd83be1dfe356a69213df9fac0b539

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