CVE-2021-27548

NameCVE-2021-27548
DescriptionThere is a Null Pointer Dereference vulnerability in the XFAScanner::scanNode() function in XFAScanner.cc in xpdf 4.03.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs1011333

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
texlive-bin (PTS)jessie, jessie (lts)2014.20140926.35254-6+deb8u1fixed
stretch (security), stretch (lts), stretch2016.20160513.41080.dfsg-2+deb9u1fixed
buster2018.20181218.49446-1fixed
buster (security)2018.20181218.49446-1+deb10u2fixed
bullseye (security), bullseye2020.20200327.54578-7+deb11u1fixed
bookworm2022.20220321.62855-5.1+deb12u1fixed
sid, trixie2023.20230311.66589-9fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
texlive-binsourceexperimental2022.20220321.62855-2
texlive-binsourcejessie(not affected)
texlive-binsourcestretch(not affected)
texlive-binsourcebuster(not affected)
texlive-binsourcebullseye(not affected)
texlive-binsource(unstable)2022.20220321.62855-3unimportant1011333

Notes

[bullseye] - texlive-bin <not-affected> (Vulnerable code introduced later)
[buster] - texlive-bin <not-affected> (Vulnerable code introduced later)
[stretch] - texlive-bin <not-affected> (Vulnerable code introduced later)
https://forum.xpdfreader.com/viewtopic.php?f=3&t=42115
embeds http://www.xpdfreader.com/download.html
PoC crashes pdftosrc binary.
Crash in CLI tool, no security impact
[jessie] - texlive-bin <not-affected> (xpdf not embedded before bookworm)

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