Catdoc v0.95 was discovered to contain a global buffer overflow via the function process_file at /src/reader.c.
Priority HIGH 67CWE-120Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-120 and the CVSS impact.
Summary
Catdoc v0.95 was discovered to contain a global buffer overflow via the function process_file at /src/reader.c.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00277 20th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
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
Timeline
- 2026-10-02 Threatist record created from CVE-2023-31979
- 2026-10-03 Alias added: GHSA-3rq8-339r-782q
References
More Fossies Catdoc vulnerabilities
- TI-2024-36181 Integer underflow in catdoc CVSS 3.1HIGH 8.4
- TI-2024-34920 Integer overflow in catdoc CVSS 3.1HIGH 8.4
- TI-2023-24941 Catdoc v0.95 was discovered to contain a NULL pointer dereference via the component xls2csv at src/xlsparse.c. CVSS 3.1HIGH 7.5
- TI-2017-08171 The ole_init function in ole.c in catdoc 0.95 allows remote attackers to cause a denial… CVSS 3.0HIGH 7.8
- TI-2023-22065 Catdoc v0.95 was discovered to contain a NULL pointer dereference via the component xls2csv at src/fileutil.c. CVSS 3.1MEDIUM 5.5
Sources
- CVE-2023-31979 · CVE Program
- CVE-2023-31979 · NVD
- FIRST EPSS
- GHSA-3rq8-339r-782q · GitHub Advisory Database · CC BY 4.0
- CVE-2023-31979 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences