CVE-2012-1162

Severity: high (CVSS 7.5 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 4.0% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2012-07-12 · updated 2026-06-16
Weakness: CWE-119

Description

Heap-based buffer overflow in the _zip_readcdir function in zip_open.c in libzip 0.10 allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via a zip archive with the number of directories set to 0, related to an "incorrect loop construct."

Affected products

NIH Libzip: 0.10

References

http://nih.at/listarchive/libzip-discuss/msg00252.html
http://www.gentoo.org/security/en/glsa/glsa-201203-23.xml
http://www.mandriva.com/security/advisories?name=MDVSA-2012:034
http://www.nih.at/libzip/NEWS.html
http://www.openwall.com/lists/oss-security/2012/03/21/2
http://www.openwall.com/lists/oss-security/2012/03/29/11
http://nih.at/listarchive/libzip-discuss/msg00252.html
http://www.gentoo.org/security/en/glsa/glsa-201203-23.xml
http://www.mandriva.com/security/advisories?name=MDVSA-2012:034
http://www.nih.at/libzip/NEWS.html
http://www.openwall.com/lists/oss-security/2012/03/21/2
http://www.openwall.com/lists/oss-security/2012/03/29/11

Get alerted when CVE-2012-1162 or the next vulnerability affects your stack