Description
bdf/bdflib.c in FreeType before 2.5.4 identifies property names by only verifying that an initial substring is present, which allows remote attackers to discover heap pointer values and bypass the ASLR protection mechanism via a crafted BDF font.
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 | 2.5.2-3 | — |
| Debian 13 | freetype | 2.5.2-3 | — |
| Debian 12 | freetype | 2.5.2-3 | — |
| Debian 7 | freetype | 2.4.9-1.1+deb7u1 | DSA-3188-1 |
| Debian 6.0 | freetype | 2.4.2-2.1+squeeze5 | DLA-185-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 14.04 LTS | freetype | 2.5.2-1ubuntu2.4 | USN-2510-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 7 | freetype +2 | 2.4.11-10.ael7b_1.1 | RHSA-2015:0696 |
| RHEL 6 | freetype +2 | 2.3.11-15.el6_6.1 | RHSA-2015:0696 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 | ft2demos +1 | 2.5.3-5.1 | SUSE-SU-2015:0455-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 | ft2demos +1 | 2.5.3-5.1 | SUSE-SU-2015:0455-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | ft2demos +1 | 2.7-1.1 | openSUSE-SU-2024:10438-1, openSUSE-SU-2024:10172-1 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 7 | freetype +2 | 2.4.11-10.el7_1.1 | ELSA-2015-0696 |
Advisories 8
- RHSA-2015:0696 Red Hat Security Advisory: freetype security update Red Hat Security Advisories (RHSA) · Jun 27, 2026
- USN-2510-1 freetype vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- DLA-185-1 freetype - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-3188-1 freetype - security update Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2024:10438-1 freetype2-devel-2.7-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:10172-1 ft2demos-2.7-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2015:0455-1 Security update for freetype2 SUSE / openSUSE Security Updates · Feb 4, 2026
- ELSA-2015-0696 Important: freetype security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Mar 17, 2015
References
- DSA-3188 vendor-advisory
- http://code.google.com/p/google-security-research/issues/detail?id=151
- GLSA-201503-05 vendor-advisory
- 72986 vdb-entry
- USN-2739-1 vendor-advisory
- openSUSE-SU-2015:0627 vendor-advisory
- http://advisories.mageia.org/MGASA-2015-0083.html
- http://www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.html
- RHSA-2015:0696 vendor-advisory
- FEDORA-2015-2216 vendor-advisory
- MDVSA-2015:055 vendor-advisory
- USN-2510-1 vendor-advisory
- https://source.android.com/security/bulletin/2016-11-01.html
- FEDORA-2015-2237 vendor-advisory
- http://git.savannah.gnu.org/cgit/freetype/freetype2.git/commit/?id=2c4832d30939b45c05757f0a05128ce64c4cacc7