Vulnerability Description
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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ckolivas | Lrzip | <= 0.651 |
Related Weaknesses (CWE)
References
- https://github.com/ckolivas/lrzip/Product
- https://github.com/ckolivas/lrzip/issues/262ExploitIssue Tracking
- https://github.com/user-attachments/files/21709004/PoC_UAF.zipExploit
- https://vuldb.com/?ctiid.344926Permissions RequiredVDB Entry
- https://vuldb.com/?id.344926Third Party AdvisoryVDB Entry
- https://vuldb.com/?submit.752595ExploitThird Party AdvisoryVDB Entry
- https://lists.debian.org/debian-lts-announce/2026/05/msg00011.html
FAQ
What is CVE-2025-15570?
CVE-2025-15570 is a vulnerability with a CVSS score of 5.3 (MEDIUM). 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...
How severe is CVE-2025-15570?
CVE-2025-15570 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-15570?
Check the references section above for vendor advisories and patch information. Affected products include: Ckolivas Lrzip.