CVE-2010-1797

Severity: critical (CVSS 9.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 33.9% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2010-08-16 · updated 2026-06-16
Weakness: CWE-119

Description

Multiple stack-based buffer overflows in the cff_decoder_parse_charstrings function in the CFF Type2 CharStrings interpreter in cff/cffgload.c in FreeType before 2.4.2, as used in Apple iOS before 4.0.2 on the iPhone and iPod touch and before 3.2.2 on the iPad, allow remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via crafted CFF opcodes in embedded fonts in a PDF document, as demonstrated by JailbreakMe. NOTE: some of these details are obtained from third party information.

Affected products

Apple Iphone Os: 1.0.0, 1.0.1, 1.0.2, 1.1.0, 1.1.1, 1.1.2 (+20)

References

http://freetype.sourceforge.net/index2.html#release-freetype-2.4.2
http://git.savannah.gnu.org/cgit/freetype/freetype2.git/commit/?id=018f5c27813dd7eef4648fe254632ecea0c85a50
http://git.savannah.gnu.org/cgit/freetype/freetype2.git/commit/?id=11d65e8a1f1f14e56148fd991965424d9bd1cdbc
http://lists.apple.com/archives/security-announce/2010//Aug/msg00000.html
http://lists.apple.com/archives/security-announce/2010//Aug/msg00001.html
http://osvdb.org/66828
http://secunia.com/advisories/40807
http://secunia.com/advisories/40816
http://secunia.com/advisories/40982
http://secunia.com/advisories/48951
http://sourceforge.net/projects/freetype/files/freetype2/2.4.2/NEWS/view
http://support.apple.com/kb/HT4291

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