CVE-2025-15571

Name: CVE-2025-15571
Creator: NVD / NIST
Published: 2026-02-10T15:16:04.443+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

LOWCVSS 1.9/10EPSS 0.16%

Last modified Jun 17, 2026

CVE-2025-15571 is a low-severity vulnerability rated 1.9/10 on the CVSS scale. A security vulnerability has been detected in ckolivas lrzip up to 0.651. This vulnerability affects the function ucompthread of the file stream.c. EPSS estimates a 0.16% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

5.5/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVSS 4.0

1.9/10

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

0.16%

5.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Ckolivas	Lrzip	<= 0.651

References

https://github.com/ckolivas/lrzip/Product
https://github.com/ckolivas/lrzip/issues/263Exploit, Issue Tracking
https://github.com/user-attachments/files/21726331/PoC_NPD.zipExploit
https://vuldb.com/?ctiid.344931Permissions Required, VDB Entry
https://vuldb.com/?id.344931Third Party Advisory, VDB Entry
https://vuldb.com/?submit.752603Third Party Advisory, VDB Entry

Timeline

Published: Feb 10, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-15571?

How severe is CVE-2025-15571?

CVE-2025-15571 has a CVSS score of 1.9/10 (LOW severity). The EPSS model estimates a 0.16% probability of exploitation in the next 30 days.

How do I fix CVE-2025-15571?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-15571?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST