CVE-2025-15571
ckolivas lrzip stream.c ucompthread null pointer dereference
CVSS Score
3.3
EPSS Score
0.0%
EPSS Percentile
0th
A security vulnerability has been detected in ckolivas lrzip up to 0.651. This vulnerability affects the function ucompthread of the file stream.c. Such manipulation leads to null pointer dereference. The attack can only be performed from a local environment. The exploit has been disclosed publicly and may be used. The project was informed of the problem early through an issue report but has not responded yet.
| CWE | CWE-476 CWE-404 |
| Vendor | ckolivas |
| Product | lrzip |
| Published | Feb 10, 2026 |
| Last Updated | Feb 23, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
ckolivas / lrzip
0.651
References
vuldb.com: https://vuldb.com/?id.344931 vuldb.com: https://vuldb.com/?ctiid.344931 vuldb.com: https://vuldb.com/?submit.752603 github.com: https://github.com/ckolivas/lrzip/issues/263 github.com: https://github.com/user-attachments/files/21726331/PoC_NPD.zip github.com: https://github.com/ckolivas/lrzip/
Credits
🔍 ziiiro (VulDB User)