CVE-2018-20650

NameCVE-2018-20650
DescriptionA reachable Object::dictLookup assertion in Poppler 0.72.0 allows attackers to cause a denial of service due to the lack of a check for the dict data type, as demonstrated by use of the FileSpec class (in FileSpec.cc) in pdfdetach.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-1939-1, DLA-2440-1, DLA-3120-1
Debian Bugs917974

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
poppler (PTS)jessie, jessie (lts)0.26.5-2+deb8u16fixed
stretch (security)0.48.0-2+deb9u4fixed
stretch (lts), stretch0.48.0-2+deb9u6fixed
buster (security), buster, buster (lts)0.71.0-5+deb10u3fixed
bullseye (security), bullseye20.09.0-3.1+deb11u1fixed
bookworm22.12.0-2fixed
sid, trixie24.08.0-3fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
popplersourceexperimental0.81.0-1
popplersourcewheezy(unfixed)end-of-life
popplersourcejessie0.26.5-2+deb8u11DLA-1939-1
popplersourcestretch0.48.0-2+deb9u4DLA-2440-1
popplersourcebuster0.71.0-5+deb10u1DLA-3120-1
popplersource(unstable)0.85.0-2low917974

Notes

https://gitlab.freedesktop.org/poppler/poppler/commit/de0c0b8324e776f0b851485e0fc9622fc35695b7
https://gitlab.freedesktop.org/poppler/poppler/issues/704

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