Description
FreeType 2 before 2017-03-24 has an out-of-bounds write caused by a heap-based buffer overflow related to the t1_decoder_parse_charstrings function in psaux/t1decode.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 | freetype | 2.6.3-3.2 | — |
| Debian 13 | freetype | 2.6.3-3.2 | — |
| Debian 12 | freetype | 2.6.3-3.2 | — |
| Debian 8 | freetype | 2.5.2-3+deb8u2 | DSA-3839-1 |
| Debian 7 | freetype | 2.4.9-1.1+deb7u6 | DLA-918-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | freetype | 2.6.1-0.1ubuntu2.3 | USN-3282-1 |
| Ubuntu 14.04 LTS | freetype | 2.5.2-1ubuntu2.8 | USN-3282-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP3 | ft2demos +1 | 2.6.3-7.15.1 | SUSE-SU-2018:0414-1 |
| SLES 12 SP2 | ft2demos +1 | 2.6.3-7.15.1 | SUSE-SU-2018:0414-1 |
| SLES 11 SP4 | ft2demos +1 | 2.3.7-25.45.5.1 | SUSE-SU-2018:0462-1 |
Show 4 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP3 | ft2demos +1 | 2.6.3-7.15.1 | SUSE-SU-2018:0414-1 |
| SLES for SAP 12 SP2 | ft2demos +1 | 2.6.3-7.15.1 | SUSE-SU-2018:0414-1 |
| SLES for SAP 11 SP4 | ft2demos +1 | 2.3.7-25.45.5.1 | SUSE-SU-2018:0462-1 |
| SLE Micro 6.0 | freetype2 | 2.13.3-1.1 | SUSE-SU-2025:20204-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | freetype2 | 2.11.0-1.2 | openSUSE-SU-2024:10770-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | freetype | 2.7.1-r1 | — |
| Alpine v3.23 | freetype | 2.7.1-r1 | — |
| Alpine v3.22 | freetype | 2.7.1-r1 | — |
| Alpine v3.21 | freetype | 2.7.1-r1 | — |
| Alpine v3.20 | freetype | 2.7.1-r1 | — |
Show 18 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | freetype | 2.7.1-r1 | — |
| Alpine v3.18 | freetype | 2.7.1-r1 | — |
| Alpine v3.17 | freetype | 2.7.1-r1 | — |
| Alpine v3.16 | freetype | 2.7.1-r1 | — |
| Alpine v3.15 | freetype | 2.7.1-r1 | — |
| Alpine v3.14 | freetype | 2.7.1-r1 | — |
| Alpine v3.13 | freetype | 2.7.1-r1 | — |
| Alpine v3.12 | freetype | 2.7.1-r1 | — |
| Alpine v3.11 | freetype | 2.7.1-r1 | — |
| Alpine v3.10 | freetype | 2.7.1-r1 | — |
| Alpine v3.9 | freetype | 2.7.1-r1 | — |
| Alpine v3.8 | freetype | 2.7.1-r1 | — |
| Alpine v3.7 | freetype | 2.7.1-r1 | — |
| Alpine v3.6 | freetype | 2.7.1-r1 | — |
| Alpine v3.5 | freetype | 2.7.1-r1 | — |
| Alpine v3.4 | freetype | 2.6.3-r1 | — |
| Alpine v3.3 | freetype | 2.6.3-r0 | — |
| Alpine v3.2 | freetype | 2.5.5-r1 | — |
Advisories 8
- USN-3282-1 freetype vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- SUSE-SU-2025:20204-1 Security update for freetype2 SUSE / openSUSE Security Updates · Mar 23, 2026
- DLA-918-1 freetype - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-3839-1 freetype - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2018:0414-1 Security update for freetype2 SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:10770-1 freetype2-devel-2.11.0-1.2 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:0462-1 Security update for freetype2 SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2025-1233 FreeType: Schwachstelle ermöglicht Ausführen von beliebigem Programmcode mit den Rechten des Dienstes BSI CERT-Bund (WID) · Jun 3, 2025
References
- http://git.savannah.gnu.org/cgit/freetype/freetype2.git/commit/?id=f958c48ee431bef8d4d466b40c9cb2d4dbcb7791
- GLSA-201706-14 vendor-advisory
- 99093 vdb-entry
- DSA-3839 vendor-advisory
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=935
- https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html
- https://www.oracle.com/security-alerts/cpuapr2020.html