Description
Heap-based buffer overflow in the Ins_IUP function in truetype/ttinterp.c in FreeType before 2.4.0, when TrueType bytecode support is enabled, allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted font 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 | freetype | 2.4.0-1 | — |
| Debian 13 | freetype | 2.4.0-1 | — |
| Debian 12 | freetype | 2.4.0-1 | — |
| Debian 5.0 | freetype | 2.3.7-2+lenny2 | DSA-2070-1 |
Advisories 1
- DSA-2070-1 freetype - several vulnerabilities Debian Security (DSA / DLA) · Mar 9, 2026
References
- USN-963-1 vendor-advisory
- http://support.apple.com/kb/HT4435
- https://bugzilla.redhat.com/show_bug.cgi?id=613198
- https://savannah.nongnu.org/bugs/?30361
- http://git.savannah.gnu.org/cgit/freetype/freetype2.git/commit/?id=888cd1843e935fe675cf2ac303116d4ed5b9d54b
- [freetype] 20100712 FreeType 2.4.0 has been released mailing-list
- APPLE-SA-2010-11-10-1 vendor-advisory
- [oss-security] 20100714 Re: Multiple bugs in freetype mailing-list
- DSA-2070 vendor-advisory
- [oss-security] 20100713 Multiple bugs in freetype mailing-list
- MDVSA-2010:137 vendor-advisory
- 48951 third-party-advisory