CVE-2012-1147

Severity: medium (CVSS 4.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2012-07-03 · updated 2026-06-16
Weakness: CWE-20

Description

readfilemap.c in expat before 2.1.0 allows context-dependent attackers to cause a denial of service (file descriptor consumption) via a large number of crafted XML files.

Affected products

macOS: 10.11.0, 10.11.1
libexpat project libexpat: through 2.0.1; 1.95.1, 1.95.2, 1.95.4, 1.95.5, 1.95.6, 1.95.7 (+2)

References

http://expat.cvs.sourceforge.net/viewvc/expat/expat/xmlwf/readfilemap.c?r1=1.14&r2=1.15
http://lists.apple.com/archives/security-announce/2015/Dec/msg00005.html
http://sourceforge.net/projects/expat/files/expat/2.1.0/
http://sourceforge.net/tracker/?func=detail&aid=2895533&group_id=10127&atid=110127
http://trac.wxwidgets.org/ticket/11194
http://trac.wxwidgets.org/ticket/11432
http://www.securityfocus.com/bid/52379
http://www.securitytracker.com/id/1034344
https://support.apple.com/HT205637
http://expat.cvs.sourceforge.net/viewvc/expat/expat/xmlwf/readfilemap.c?r1=1.14&r2=1.15
http://lists.apple.com/archives/security-announce/2015/Dec/msg00005.html
http://sourceforge.net/projects/expat/files/expat/2.1.0/

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