CVE-2020-35702

NameCVE-2020-35702
DescriptionDCTStream::getChars in DCTStream.cc in Poppler 20.12.1 has a heap-based buffer overflow via a crafted PDF document. NOTE: later reports indicate that this only affects builds from Poppler git clones in late December 2020, not the 20.12.1 release. In this situation, it should NOT be considered a Poppler vulnerability. However, several third-party Open Source projects directly rely on Poppler git clones made at arbitrary times, and therefore the CVE remains useful to users of those projects
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
poppler (PTS)buster0.71.0-5fixed
buster (security)0.71.0-5+deb10u3fixed
bullseye (security), bullseye20.09.0-3.1+deb11u1fixed
bookworm22.12.0-2fixed
sid, trixie24.02.0-5fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
popplersource(unstable)(not affected)

Notes

- poppler <not-affected> (Vulnerable code introduced later)
https://gitlab.freedesktop.org/poppler/poppler/-/issues/1011
Introduced by: https://gitlab.freedesktop.org/poppler/poppler/-/commit/f1c3ded779582aef5f2cbaf29bc5da7a8eae6f69
Fixed by: https://gitlab.freedesktop.org/poppler/poppler/-/commit/ae614bf8ab42c9d0c7ac57ecdfdcbcfc4ff6c639

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