CVE-2011-0226
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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (6.65%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 2.0
- 9.3 HIGHAV:N/AC:M/Au:N/C:C/I:C/A:C
- EPSS
- 6.65% probability · 94th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-189
- Affected
- freetype/freetype · apple/iphone os
- Source
- product-security@apple.com
EPSS 6.6% since 26 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html
- http://lists.apple.com/archives/security-announce/2011//Jul/msg00000.htmlVendor Advisory
- http://lists.apple.com/archives/security-announce/2011//Jul/msg00001.htmlVendor Advisory
- http://lists.nongnu.org/archive/html/freetype-devel/2011-07/msg00014.html
- http://lists.nongnu.org/archive/html/freetype-devel/2011-07/msg00015.html
- http://lists.nongnu.org/archive/html/freetype-devel/2011-07/msg00020.html
- http://lists.nongnu.org/archive/html/freetype-devel/2011-07/msg00026.html
- http://lists.nongnu.org/archive/html/freetype-devel/2011-07/msg00028.html
- http://lists.opensuse.org/opensuse-security-announce/2011-07/msg00015.html
- http://lists.opensuse.org/opensuse-security-announce/2011-07/msg00016.html
- http://secunia.com/advisories/45167Vendor Advisory
- http://secunia.com/advisories/45224Vendor Advisory
- http://support.apple.com/kb/HT4802Vendor Advisory
- http://support.apple.com/kb/HT4803Vendor Advisory
- http://support.apple.com/kb/HT5002
- http://www.appleinsider.com/articles/11/07/06/hackers_release_new_browser_based_ios_jailbreak_based_on_pdf_exploit.html
- http://www.debian.org/security/2011/dsa-2294
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:120
- http://www.redhat.com/support/errata/RHSA-2011-1085.html
- http://www.securityfocus.com/bid/48619
- http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html
- http://lists.apple.com/archives/security-announce/2011//Jul/msg00000.htmlVendor Advisory
- http://lists.apple.com/archives/security-announce/2011//Jul/msg00001.htmlVendor Advisory
- http://lists.nongnu.org/archive/html/freetype-devel/2011-07/msg00014.html
- http://lists.nongnu.org/archive/html/freetype-devel/2011-07/msg00015.html
- http://lists.nongnu.org/archive/html/freetype-devel/2011-07/msg00020.html
- http://lists.nongnu.org/archive/html/freetype-devel/2011-07/msg00026.html
- http://lists.nongnu.org/archive/html/freetype-devel/2011-07/msg00028.html
- http://lists.opensuse.org/opensuse-security-announce/2011-07/msg00015.html
- http://lists.opensuse.org/opensuse-security-announce/2011-07/msg00016.html
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.