CVE-2012-1163: nih libzip Numeric Errors
Vulnerability summary
CVE-2012-1163 is a medium (CVSS 6.8) Numeric Errors vulnerability in nih libzip. EPSS estimates a 2.58% chance of exploitation in the next 30 days, higher than 85.2% of scored vulnerabilities.
Not severe (CVSS 6.8, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 1 · Related 1Timeline
- 12-07-2012PublishedVulnerability first disclosed.
- 17-09-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
2.58%
Chance of exploitation in the next 30 days
Percentile
85%
Versus all other CVEs
30-day change
No change 0.00 pp
From 2.57% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication (CVSS vector). Other conditions: not stated in public data.
Debian1 product
- libzip< 0.10.1-1
Nih1 product
- libzip0.10
2 vendors · 2 products
References
7 links- www.nih.at/libzip/NEWS.htmlX Refsource CONFIRM