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Vulnerability record · CVE-2012-1163 · published 12 July 2012

CVE-2012-1163: Nih libzip vulnerability

Nih · Libzip

Integer overflow in the _zip_readcdir function in zip_open.c in libzip 0.10 allows remote attackers to execute arbitrary code via the size and offset values for the central directory in a zip archive, which triggers "improper restrictions of operations within the bounds of a memory buffer" and an information leak.

6.8 CVSS 2.0 Medium EPSS 2.6% · top 15.4% CWE-189 · CWE-189
6.8CVSS 2.0 base score
2.6%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
12References
16 Jun 2026Last modified by NVD

Description

Integer overflow in the _zip_readcdir function in zip_open.c in libzip 0.10 allows remote attackers to execute arbitrary code via the size and offset values for the central directory in a zip archive, which triggers "improper restrictions of operations within the bounds of a memory buffer" and an information leak.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
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

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

7.5CVE-2015-2331Nih libzip vulnerabilityInteger overflow in the _zip_cdir_new function in zip_dirent.c in libzip 0.11.2 and earlier, as used in the ZIP extension in PHP before 5.4.39, 5.5.x…EPSS 28%7.5CVE-2012-1162Nih libzip memory buffer overflow vulnerabilityHeap-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 (applicati…EPSS 4.0%8.4CVE-2013-2094Linux Kernel perf_swevent_init Integer Type Flaw Enables Local Privilege EscalationThe perf_swevent_init function in kernel/events/core.c in the Linux kernel before 3.8.9 uses an incorrect integer data type, allowing a local user to…KEVEPSS 48%analysed

Source: NIST National Vulnerability Database (record CVE-2012-1163), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.