CVE-2011-0226

Home/CVE/Integer signedness error in psaux/t1decode.c in FreeType before 2.4.6, as used in CoreGraphics in Apple iOS before 4.2.9

CVE

Integer signedness error in psaux/t1decode.c in FreeType before 2.4.6, as used in CoreGraphics in Apple iOS before 4.2.9

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.

HIGH · CVSS 9.3 EPSS 0.10653

Schedule remediation

EPSS ≥ 0.10 - elevated exploitation probability
EPSS percentile: top 7% of all CVEs by exploitation likelihood
CVSS base score ≥ 7.0

Sigma rules0 YARA rules0

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Affected Products & Versions

freetype<= 2.4.5
freetypeall versions
apple iphone os<= 4.2.8
apple iphone osall versions

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Scoring & Timeline

9.3

HIGH · CVSS v2 (legacy) · product-security@apple.com

View on NVD

This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.

v2 Vector

AV:N/AC:M/Au:N/C:C/I:C/A:C

Published to NVD19 Jul 2011 · 10:55 PM

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Vendor Advisories

suse-csafopenSUSE-SU-2024:10172-1
suse-csafopenSUSE-SU-2024:10438-1
rhsaRHSA-2012:0094Important
rhsaRHSA-2011:1402Important
usnUSN-1173-1
Show all 6 vendor advisoriesrhsaRHSA-2011:1085Important

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References & Sources

Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.

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

Show all 20 references

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

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