Unrated severityNVD Advisory· Published Jul 19, 2011· Updated Jun 16, 2026
CVE-2011-0226
CVE-2011-0226
Description
Integer signedness error in psaux/t1decode.c in FreeType before 2.4.6, as used in CoreGraphics in Apple iOS before 4.2.9 and 4.3.x before 4.3.4 and other products, allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted Type 1 font in a PDF document, as exploited in the wild in July 2011.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
62cpe:2.3:a:freetype:freetype:*:*:*:*:*:*:*:*+ 21 more
- cpe:2.3:a:freetype:freetype:*:*:*:*:*:*:*:*range: <=2.4.5
- cpe:2.3:a:freetype:freetype:2.2.1:*:*:*:*:*:*:*
- cpe:2.3:a:freetype:freetype:2.2.10:*:*:*:*:*:*:*
- cpe:2.3:a:freetype:freetype:2.3.0:*:*:*:*:*:*:*
- cpe:2.3:a:freetype:freetype:2.3.1:*:*:*:*:*:*:*
- cpe:2.3:a:freetype:freetype:2.3.10:*:*:*:*:*:*:*
- cpe:2.3:a:freetype:freetype:2.3.11:*:*:*:*:*:*:*
- cpe:2.3:a:freetype:freetype:2.3.12:*:*:*:*:*:*:*
- cpe:2.3:a:freetype:freetype:2.3.2:*:*:*:*:*:*:*
- cpe:2.3:a:freetype:freetype:2.3.3:*:*:*:*:*:*:*
- cpe:2.3:a:freetype:freetype:2.3.4:*:*:*:*:*:*:*
- cpe:2.3:a:freetype:freetype:2.3.5:*:*:*:*:*:*:*
- cpe:2.3:a:freetype:freetype:2.3.6:*:*:*:*:*:*:*
- cpe:2.3:a:freetype:freetype:2.3.7:*:*:*:*:*:*:*
- cpe:2.3:a:freetype:freetype:2.3.8:*:*:*:*:*:*:*
- cpe:2.3:a:freetype:freetype:2.3.9:*:*:*:*:*:*:*
- cpe:2.3:a:freetype:freetype:2.4.0:*:*:*:*:*:*:*
- cpe:2.3:a:freetype:freetype:2.4.1:*:*:*:*:*:*:*
- cpe:2.3:a:freetype:freetype:2.4.2:*:*:*:*:*:*:*
- cpe:2.3:a:freetype:freetype:2.4.3:*:*:*:*:*:*:*
- cpe:2.3:a:freetype:freetype:2.4.4:*:*:*:*:*:*:*
- (no CPE)range: < 2.4.6
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*+ 36 more
- cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*range: <=4.2.8
- cpe:2.3:o:apple:iphone_os:1.0.0:*:*:*:*:*:*:*
- cpe:2.3:o:apple:iphone_os:1.0.1:*:*:*:*:*:*:*
- cpe:2.3:o:apple:iphone_os:1.0.2:*:*:*:*:*:*:*
- cpe:2.3:o:apple:iphone_os:1.1.0:*:*:*:*:*:*:*
- cpe:2.3:o:apple:iphone_os:1.1.1:*:*:*:*:*:*:*
- cpe:2.3:o:apple:iphone_os:1.1.2:*:*:*:*:*:*:*
- cpe:2.3:o:apple:iphone_os:1.1.3:*:*:*:*:*:*:*
- cpe:2.3:o:apple:iphone_os:1.1.4:*:*:*:*:*:*:*
- cpe:2.3:o:apple:iphone_os:1.1.5:*:*:*:*:*:*:*
- cpe:2.3:o:apple:iphone_os:2.0:*:*:*:*:*:*:*
- cpe:2.3:o:apple:iphone_os:2.0.0:*:*:*:*:*:*:*
- cpe:2.3:o:apple:iphone_os:2.0.1:*:*:*:*:*:*:*
- cpe:2.3:o:apple:iphone_os:2.0.2:*:*:*:*:*:*:*
- cpe:2.3:o:apple:iphone_os:2.1:*:*:*:*:*:*:*
- cpe:2.3:o:apple:iphone_os:2.1.1:*:*:*:*:*:*:*
- cpe:2.3:o:apple:iphone_os:2.2:*:*:*:*:*:*:*
- cpe:2.3:o:apple:iphone_os:2.2.1:*:*:*:*:*:*:*
- cpe:2.3:o:apple:iphone_os:3.0:*:*:*:*:*:*:*
- cpe:2.3:o:apple:iphone_os:3.0.1:*:*:*:*:*:*:*
- cpe:2.3:o:apple:iphone_os:3.1:*:*:*:*:*:*:*
- cpe:2.3:o:apple:iphone_os:3.1.2:*:*:*:*:*:*:*
- cpe:2.3:o:apple:iphone_os:3.1.3:*:*:*:*:*:*:*
- cpe:2.3:o:apple:iphone_os:3.2:*:*:*:*:*:*:*
- cpe:2.3:o:apple:iphone_os:3.2.1:*:*:*:*:*:*:*
- cpe:2.3:o:apple:iphone_os:3.2.2:*:*:*:*:*:*:*
- cpe:2.3:o:apple:iphone_os:4.0:*:*:*:*:*:*:*
- cpe:2.3:o:apple:iphone_os:4.0.1:*:*:*:*:*:*:*
- cpe:2.3:o:apple:iphone_os:4.0.2:*:*:*:*:*:*:*
- cpe:2.3:o:apple:iphone_os:4.1:*:*:*:*:*:*:*
- cpe:2.3:o:apple:iphone_os:4.2:*:*:*:*:*:*:*
- cpe:2.3:o:apple:iphone_os:4.2.1:*:*:*:*:*:*:*
- cpe:2.3:o:apple:iphone_os:4.2.5:*:*:*:*:*:*:*
- cpe:2.3:o:apple:iphone_os:4.3.0:*:*:*:*:*:*:*
- cpe:2.3:o:apple:iphone_os:4.3.1:*:*:*:*:*:*:*
- cpe:2.3:o:apple:iphone_os:4.3.2:*:*:*:*:*:*:*
- cpe:2.3:o:apple:iphone_os:4.3.3:*:*:*:*:*:*:*
- Range: < 4.2.9 / < 4.3.4
- osv-coords2 versionspkg:rpm/opensuse/freetype2&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/ft2demos&distro=openSUSE%20Tumbleweed
< 2.7-1.1+ 1 more
- (no CPE)range: < 2.7-1.1
- (no CPE)range: < 2.7-1.1
Patches
Vulnerability mechanics
References
20- lists.apple.com/archives/security-announce/2011//Jul/msg00000.htmlnvdVendor Advisory
- lists.apple.com/archives/security-announce/2011//Jul/msg00001.htmlnvdVendor Advisory
- secunia.com/advisories/45167nvdVendor Advisory
- secunia.com/advisories/45224nvdVendor Advisory
- support.apple.com/kb/HT4802nvdVendor Advisory
- support.apple.com/kb/HT4803nvdVendor Advisory
- lists.apple.com/archives/Security-announce/2011//Oct/msg00003.htmlnvd
- lists.nongnu.org/archive/html/freetype-devel/2011-07/msg00014.htmlnvd
- lists.nongnu.org/archive/html/freetype-devel/2011-07/msg00015.htmlnvd
- lists.nongnu.org/archive/html/freetype-devel/2011-07/msg00020.htmlnvd
- lists.nongnu.org/archive/html/freetype-devel/2011-07/msg00026.htmlnvd
- lists.nongnu.org/archive/html/freetype-devel/2011-07/msg00028.htmlnvd
- lists.opensuse.org/opensuse-security-announce/2011-07/msg00015.htmlnvd
- lists.opensuse.org/opensuse-security-announce/2011-07/msg00016.htmlnvd
- support.apple.com/kb/HT5002nvd
- www.appleinsider.com/articles/11/07/06/hackers_release_new_browser_based_ios_jailbreak_based_on_pdf_exploit.htmlnvd
- www.debian.org/security/2011/dsa-2294nvd
- www.mandriva.com/security/advisoriesnvd
- www.redhat.com/support/errata/RHSA-2011-1085.htmlnvd
- www.securityfocus.com/bid/48619nvd
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