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CVE-2012-1163

23
FAUCET Score

CVE-2012-1163 describes an integer overflow vulnerability in the libzip 0.10 library, specifically within the _zip_readcdir function in zip_open.c, affecting products that utilize this library, such as nih libzip. This flaw allows remote attackers to execute arbitrary code and leak information by manipulating the size and offset values of the central directory in a crafted zip archive. With a CVSS score of 6.8, it is considered a medium-severity vulnerability, requiring medium attack complexity but potentially leading to partial confidentiality, integrity, and availability impacts. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
0.10CPE matchmatch criteria
cpe:2.3:a:nih:libzip:0.10:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

6.8MEDIUM

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

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.57%
Probability of exploitation in next 30 days
EPSS Percentile
83.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0257 is in the 75th percentile among its peer group of 19,954 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

redhatCVE-2012-1163Moderate

libzip: integer overflow when processing malformed zip file

Mar 20, 2012

References

nih.at / listarchive/libzip-discuss/msg00252.html
gentoo.org / security/en/glsa/glsa-201203-23.xml
mandriva.com / security/advisories
nih.at / libzip/NEWS.html
openwall.com / lists/oss-security/2012/03/21/2
openwall.com / lists/oss-security/2012/03/29/11