| Name | CVE-2018-6942 |
| Description | An issue was discovered in FreeType 2 through 2.9. A NULL pointer dereference in the Ins_GETVARIATION() function within ttinterp.c could lead to DoS via a crafted font file. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 890450 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| freetype (PTS) | jessie, jessie (lts) | 2.5.2-3+deb8u6 | fixed |
| stretch (security) | 2.6.3-3.2+deb9u2 | fixed |
| stretch (lts), stretch | 2.6.3-3.2+deb9u3 | fixed |
| buster | 2.9.1-3+deb10u3 | fixed |
| buster (security), buster (lts) | 2.9.1-3+deb10u2 | fixed |
| bullseye | 2.10.4+dfsg-1+deb11u1 | fixed |
| bookworm | 2.12.1+dfsg-5+deb12u3 | fixed |
| sid, trixie | 2.13.3+dfsg-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| freetype | source | wheezy | (not affected) | | | |
| freetype | source | jessie | (not affected) | | | |
| freetype | source | stretch | (not affected) | | | |
| freetype | source | (unstable) | 2.9.1-3 | | | 890450 |
Notes
[stretch] - freetype <not-affected> (Vulnerable code introduced later)
[jessie] - freetype <not-affected> (Vulnerable code introduced later)
[wheezy] - freetype <not-affected> (Vulnerable code introduced later)
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=5736
https://git.savannah.gnu.org/cgit/freetype/freetype2.git/commit/?id=29c759284e305ec428703c9a5831d0b1fc3497ef