Description
FontForge 20190801 has a heap-based buffer overflow in the Type2NotDefSplines() function in splinesave.c.
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 | 1:20201107~dfsg-1 | — |
| Debian 13 | fontforge | 1:20201107~dfsg-1 | — |
| Debian 12 | fontforge | 1:20201107~dfsg-1 | — |
| Debian 10 | fontforge | 1:20170731~dfsg-1+deb10u1 | DLA-3754-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | fontforge | No fix yet | — |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 18.04 LTS | fontforge | No fix yet | — |
| Ubuntu Pro 16.04 LTS | fontforge | No fix yet | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP5 | fontforge | 20170731-11.11.1 | SUSE-SU-2020:0393-1 |
| SLES 12 SP4 | fontforge | 20170731-11.11.1 | SUSE-SU-2020:0393-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.1 | fontforge | 20170731-lp151.4.3.1 | openSUSE-SU-2020:0089-1 |
Advisories 3
- DLA-3754-1 fontforge - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2020:0393-1 Security update for fontforge SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2020:0089-1 Security update for fontforge SUSE / openSUSE Security Updates · Feb 4, 2026
References
- https://github.com/fontforge/fontforge/issues/4085
- openSUSE-SU-2020:0089 vendor-advisory
- GLSA-202004-14 vendor-advisory
- [debian-lts-announce] 20240307 [SECURITY] [DLA 3754-1] fontforge security update mailing-list