Integer overflow in the _zip_readcdir function in zip_open.c in libzip 0.10 allows remote…
Priority LOW 35CWE-189Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- Code execution
- Confidentiality · integrity · availability
- Partial · Partial · Partial
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-189 and the CVSS impact.
Summary
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.
Why it matters now
EPSS 0.02578 85th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
Not affected: 2 products
- Red Hat Enterprise Linux 5
- Red Hat Enterprise Linux 6
Timeline
- 2026-10-02 Threatist record created from CVE-2012-1163
- 2026-10-03 Alias added: GHSA-29xg-c3jw-cp68
References
Advisory 2
Other 4
- [libzip-discuss] 20120320 libzip-0.10.1 security fix release
- [oss-security] 20120321 CVE-2012-1162 / -1163: Incorrect loop construct and numeric overflow in libzip
- http://www.nih.at/libzip/NEWS.html
- [oss-security] 20120329 Re: CVE-2012-1162 / -1163: Incorrect loop construct and numeric overflow in libzip
More NIH Libzip vulnerabilities
- TI-2015-02056 Integer overflow in the _zip_cdir_new function in zip_dirent.c in libzip 0.11.2 and… CVSS 2.0HIGH 7.5
- TI-2012-01068 Heap-based buffer overflow in the _zip_readcdir function in zip_open.c in libzip 0.10… CVSS 2.0HIGH 7.5
Sources
- CVE-2012-1163 · CVE Program
- CVE-2012-1163 · NVD
- FIRST EPSS
- GHSA-29xg-c3jw-cp68 · GitHub Advisory Database · CC BY 4.0
- CVE-2012-1163 · Red Hat security data · CC BY 4.0
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