ckolivas lrzip stream.c lzma_decompress_buf use after free
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- —
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA.
Summary
A vulnerability was found in ckolivas lrzip up to 0.651. This impacts the function lzma_decompress_buf of the file stream.c. Performing a manipulation results in use after free. Attacking locally is a requirement. The exploit has been made public and could be used. The project was informed of the problem early through an issue report but has not responded yet.
Why it matters now
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
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-15570
- 2026-10-03 Alias added: GHSA-6gcc-w636-fgv2
References
More ckolivas Lrzip vulnerabilities
- TI-2025-14210 ckolivas lrzip stream.c ucompthread null pointer dereference CVSS 4.0MEDIUM 4.8
- TI-2025-08608 ckolivas lrzip strtol_l.c __GI_____strtol_l_internal null pointer dereference CVSS 4.0MEDIUM 4.8
Sources
- CVE-2025-15570 · CVE Program
- CVE-2025-15570 · NVD
- FIRST EPSS
- GHSA-6gcc-w636-fgv2 · GitHub Advisory Database · CC BY 4.0
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