| Name | CVE-2020-21683 |
| Description | A global buffer overflow in the shade_or_tint_name_after_declare_color 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) |
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 | vulnerable |
| buster (security), buster, buster (lts) | 1:3.2.7a-5+deb10u5 | vulnerable |
| 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 | vulnerable |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| fig2dev | source | (unstable) | 1:3.2.8-1 | unimportant | | |
| transfig | source | (unstable) | (unfixed) | | | |
Notes
https://sourceforge.net/p/mcj/tickets/77/
https://sourceforge.net/p/mcj/fig2dev/ci/639c36010a120e97a6e82e7cd57cbf9dbf4b64f1/ (3.2.8)
Crash in CLI tool, no security impact
[jessie] - transfig <ignored> (unimportant, see renamed package fig2dev)