Description
FontForge 20161012 is vulnerable to a heap-based buffer overflow in readcffset (parsettf.c) resulting in DoS or code execution via a crafted otf file.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | fontforge | 1:20170731~dfsg-1 | — |
| Debian 13 | fontforge | 1:20170731~dfsg-1 | — |
| Debian 12 | fontforge | 1:20170731~dfsg-1 | — |
| Debian 9 | fontforge | 1:20161005~dfsg-4+deb9u1 | DSA-3958-1 |
| Debian 8 | fontforge | 20120731.b-5+deb8u1 | DSA-3958-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 7 | fontforge | 0.0.20120101+git-2+deb7u1 | DLA-1065-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | fontforge | 20120731.b-7.1ubuntu0.1 | — |
| Ubuntu 14.04 LTS | fontforge | 20120731.b-5ubuntu0.1 | USN-3409-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP4 | fontforge | 20170731-11.8.1 | SUSE-SU-2019:2236-1 |
Advisories 4
- USN-3409-1 fontforge vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- DSA-3958-1 fontforge - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-1065-1 fontforge - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2019:2236-1 Security update for fontforge SUSE / openSUSE Security Updates · Feb 4, 2026
References
- https://github.com/fontforge/fontforge/issues/3090
- DSA-3958 vendor-advisory