CVE-2025-15571

low-risk
Published 2026-02-10

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.

Do I need to act?

-
0.02% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
3
CVSS 3.3/10 Low
LOCAL / LOW complexity

Affected Products (1)

Lrzip

Affected Vendors

Ckolivas

References (6)

Product https://github.com/ckolivas/lrzip/
Exploit https://github.com/ckolivas/lrzip/issues/263
Exploit https://github.com/user-attachments/files/21726331/PoC_NPD.zip
Permissions Required https://vuldb.com/?ctiid.344931
Third Party Advisory https://vuldb.com/?id.344931
Third Party Advisory https://vuldb.com/?submit.752603
18
/ 100
low-risk
Severity 13/34 · Low
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal