CVE-2021-20240

NameCVE-2021-20240
Descriptioninteger underflow in the GIF loader of gdk-pixbuf via crafted input leads to segmentation fault
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)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
gdk-pixbuf (PTS)stretch (security), stretch2.36.5-2+deb9u2fixed
buster2.38.1+dfsg-1fixed
bullseye, sid2.42.2+dfsg-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
gdk-pixbufsourcestretch(not affected)
gdk-pixbufsourcebuster(not affected)
gdk-pixbufsource(unstable)2.42.2+dfsg-1

Notes

[buster] - gdk-pixbuf <not-affected> (Vulnerable code introduced later)
[stretch] - gdk-pixbuf <not-affected> (Vulnerable code added later)
https://bugzilla.redhat.com/show_bug.cgi?id=1926787
https://gitlab.gnome.org/GNOME/gdk-pixbuf/-/issues/132
Vulnerable code introduced in https://gitlab.gnome.org/GNOME/gdk-pixbuf/-/commit/4e7b5345d2fc8f0d1dee93d8ba9ab805bc95d42f (2.39.2)
Fixed by: https://gitlab.gnome.org/GNOME/gdk-pixbuf/-/commit/086e8adf4cc352cd11572f96066b001b545f354e (2.42.0)

Search for package or bug name: Reporting problems