Out-of-bounds write in xls2csv
Key facts
- Attack vector
- Local
- Privileges required
- None
- 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 · CNA. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.
Summary
A memory corruption vulnerability exists in the Shared String Table Record Parser implementation in xls2csv utility version 0.95. A specially crafted malformed file can lead to a heap buffer overflow. An attacker can provide a malicious file to trigger this vulnerability.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Total
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 |
|---|---|---|---|---|---|
| xls2csv | xls2csv | 0.95 | — | No fix listed | CNA |
- xls2csv Vendorxls2csv Affected 0.95 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2024-48877
- 2026-10-03 Alias added: GHSA-2x4q-h3hx-hhh6
References
Sources
- CVE-2024-48877 · CVE Program
- CVE-2024-48877 · NVD
- FIRST EPSS
- GHSA-2x4q-h3hx-hhh6 · GitHub Advisory Database · CC BY 4.0
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