CVE-2011-3227

Severity: medium (CVSS 6.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2011-10-14 · updated 2026-06-16
Weakness: CWE-20

Description

libsecurity in Apple Mac OS X before 10.7.2 does not properly handle errors during processing of a nonstandard extension in a Certificate Revocation list (CRL), which allows remote attackers to execute arbitrary code or cause a denial of service (application crash) a crafted (1) web site or (2) e-mail message.

Affected products

macOS: through 10.7.1; 10.0, 10.0.0, 10.0.1, 10.0.2, 10.0.3, 10.0.4 (+61)
Apple Mac Os X Server: through 10.7.1; 10.0, 10.0.0, 10.0.1, 10.0.2, 10.0.3, 10.0.4 (+61)

References

http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html
http://support.apple.com/kb/HT5002
http://www.securityfocus.com/bid/50085
http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html
http://support.apple.com/kb/HT5002
http://www.securityfocus.com/bid/50085

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