CVE-2020-21676

NameCVE-2020-21676
DescriptionA stack-based buffer overflow in the genpstrx_text() component in genpstricks.c of fig2dev 3.2.7b allows attackers to cause a denial of service (DOS) via converting a xfig file into pstricks format.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-2778-1, DLA-3304-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
fig2dev (PTS)bullseye1:3.2.8-3+deb11u1fixed
bookworm1:3.2.8b-3fixed
sid, trixie1:3.2.9-4fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
fig2devsourcestretch1:3.2.6a-2+deb9u4DLA-2778-1
fig2devsourcebuster1:3.2.7a-5+deb10u5DLA-3304-1
fig2devsource(unstable)1:3.2.8-1
transfigsource(unstable)(unfixed)

Notes

[stretch] - fig2dev <not-affected> (Vulnerable code introduced later)
https://sourceforge.net/p/mcj/tickets/76/
https://sourceforge.net/p/mcj/fig2dev/ci/acccc89c20206a5db1f463438ba444e35bcb400e/ (3.2.8)
Introduced by https://sourceforge.net/p/mcj/fig2dev/ci/102f607eea49785d4a9c9c24af85f046c23674de (3.2.7)

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