Heap-based buffer overflow in the _zip_readcdir function in zip_open.c in libzip 0.10…
Priority MEDIUM 40CWE-119Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- 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-119 and the CVSS impact.
Summary
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."
Why it matters now
EPSS 0.04028 90th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
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-2012-1162
- 2026-10-03 Alias added: GHSA-m749-r8jf-5h5g
References
Exploit 2
Advisory 2
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-2012-01069 Integer overflow in the _zip_readcdir function in zip_open.c in libzip 0.10 allows remote… CVSS 2.0MEDIUM 6.8
Sources
- CVE-2012-1162 · CVE Program
- CVE-2012-1162 · NVD
- FIRST EPSS
- GHSA-m749-r8jf-5h5g · GitHub Advisory Database · CC BY 4.0
- CVE-2012-1162 · Red Hat security data · CC BY 4.0
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