CVE-2011-3256 json
FreeType 2 before 2.4.7, as used in CoreGraphics in Apple iOS before 5, Mandriva Enterprise Server 5, and possibly other products, allows r…
published 2011-10-14 15 y ago modified 2026-06-16 4 mo ago also EUVD-2011-3220
- cvss
- 4.3
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 4.1%
- EPSS 4.1% chance of exploitation in 30 days, percentile 90%
- public exploits
- 0
- none known
Summary
FreeType 2 before 2.4.7, as used in CoreGraphics in Apple iOS before 5, Mandriva Enterprise Server 5, and possibly other products, allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted font, a different vulnerability than CVE-2011-0226.
Patch / fix
- freetype Debian 14, Debian 13, Debian 12 2.4.7-1
debian advisories DEBIAN-CVE-2011-3256
- freetype RHEL 4 2.1.9-20.el4
- freetype RHEL 5 2.2.1-28.el5_7.1
- freetype RHEL 6 2.3.11-6.el6_1.7
- freetype-demos RHEL 4 2.1.9-20.el4
- freetype-demos RHEL 5 2.2.1-28.el5_7.1
- freetype-demos RHEL 6 2.3.11-6.el6_1.7
- freetype-utils RHEL 4 2.1.9-20.el4
- freetype RHEL 5.6 EUS 2.2.1-28.el5_6.1
red hat advisories RHSA-2012:0094RHSA-2011:1402
- freetype2 openSUSE Tumbleweed 2.7-1.1
opensuse advisories openSUSE-SU-2024:10438-1
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2011-3256 updated cvss 6.8
freetype: FT_Bitmap_New integer overflow, FreeType TT_Vary_Get_Glyph_Deltas improper input validation
-
Red Hat Enterprise Linux (v. 5 server) freetype 2.2.1-28.el5_7.1, freetype-demos 2.2.1-28.el5_7.1 Red Hat Enterprise Linux AS version 4 freetype 2.1.9-20.el4, freetype-demos 2.1.9-20.el4, freetype-utils 2.1.9-20.el4 Red Hat Enterprise Linux Desktop (v. 5 client) freetype 2.2.1-28.el5_7.1, freetype-demos 2.2.1-28.el5_7.1 Red Hat Enterprise Linux Desktop version 4 freetype 2.1.9-20.el4, freetype-demos 2.1.9-20.el4, freetype-utils 2.1.9-20.el4 Red Hat Enterprise Linux ES version 4 freetype 2.1.9-20.el4, freetype-demos 2.1.9-20.el4, freetype-utils 2.1.9-20.el4fixed: vendor fix RHSA-2011:1402
-
Red Hat Enterprise Linux EUS (v. 5.6 server) freetype 2.2.1-28.el5_6.1, freetype-demos 2.2.1-28.el5_6.1fixed: vendor fix RHSA-2012:0094
-
Red Hat Enterprise Linux Server (v. 6) freetype 2.3.11-6.el6_1.7, freetype-demos 2.3.11-6.el6_1.7 Red Hat Enterprise Linux Server Optional (v. 6) freetype 2.3.11-6.el6_1.7, freetype-demos 2.3.11-6.el6_1.7 Red Hat Enterprise Linux WS version 4 freetype 2.1.9-20.el4, freetype-demos 2.1.9-20.el4, freetype-utils 2.1.9-20.el4 Red Hat RHEL Desktop Workstation (v. 5 client) freetype 2.2.1-28.el5_7.1, freetype-demos 2.2.1-28.el5_7.1fixed: vendor fix RHSA-2011:1402
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
Exploit prediction
4.14% chance of exploitation in the next 30 days, higher than 90% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
Classification
- Weakness
-
- CWE-94 Improper Control of Generation of Code
References
-
lists.opensuse.org
/opensuse-security-announce/2012-01/msg00003.html
vendor-advisory
-
lists.opensuse.org
/opensuse-security-announce/2011-12/msg00008.html
vendor-advisory
-
lists.apple.com
/archives/Security-announce/2011//Oct/msg00001.html
vendor-advisory
-
lists.opensuse.org
/opensuse-security-announce/2012-01/msg00012.html
vendor-advisory
-
lists.apple.com
/archives/security-announce/2012/Feb/msg00000.html
vendor-advisory
-
debian.org
/security/2011/dsa-2328
vendor-advisory
-
lists.fedoraproject.org
/pipermail/package-announce/2011-November/069100.html
vendor-advisory
-
mandriva.com
/security/advisories?name=MDVSA-2011:157
vendor-advisory
-
support.apple.com
/kb/HT4999
vendor-advisory
- sourceforge.net /projects/freetype/files/freetype2/2.4.7/README/view
- support.apple.com /kb/HT5130
-
exchange.xforce.ibmcloud.com
/vulnerabilities/70552
vdb-entry
-
securityfocus.com
/bid/50155
vdb-entry
-
secunia.com
/advisories/48951
third-party-advisory
Sources
- CVE List CVE-2011-3256
- NVD CVE-2011-3256
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.