| Name | CVE-2020-21676 |
| Description | A 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-2778-1, DLA-3304-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| fig2dev (PTS) | stretch (security), stretch (lts), stretch | 1:3.2.6a-2+deb9u4 | fixed |
| buster (security), buster, buster (lts) | 1:3.2.7a-5+deb10u5 | fixed |
| bullseye | 1:3.2.8-3+deb11u1 | fixed |
| bookworm | 1:3.2.8b-3 | fixed |
| sid, trixie | 1:3.2.9-4 | fixed |
| transfig (PTS) | jessie, jessie (lts) | 1:3.2.6a-2~deb8u1 | fixed |
The information below is based on the following data on fixed versions.
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)
[jessie] - transfig <not-affected> (Vulnerable code introduced later)