🛡️ CVE-2025-15571 — lrzip

🟢 CVSS 3.3 — Low ⚠️ Exploit Public CWE-404 NVD

3.3

CVSS Score

0 Low4 Medium7 High9 Critical10

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.

How this vulnerability can be exploited

This issue can be reached with local access to the system, attack complexity is low, an attacker needs low-level privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity none, availability low.

Weakness class

CVE-2025-15571 is classified as CWE-404: Improper Resource Shutdown or Release. A resource is not released correctly after use, leaving it locked, leaked or in an inconsistent state.

Affected software

CVE-2025-15571 is recorded against 1 package.

lrzip (fixed in 0.651)

Timeline and source

Published on 10 February 2026 and last revised on 17 June 2026. A public exploit is known to exist, which raises the urgency of patching considerably. Record sourced from NVD.

References

github.com
github.com
github.com
vuldb.com
vuldb.com
vuldb.com

CVE-2025-15571 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Debian Ubuntu

Details

Severity LOW

CVSS Score 3.3

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

CWE CWE-404

Public Exploit ⚠️ Yes

Source NVD

Published 2026-02-10

Updated 2026-08-11

Modified 2026-06-17

Fix URL N/A

Affected Packages

Software	From version	Fixed in
lrzip	—	0.651

References

Product https://github.com/ckolivas/lrzip/

Exploit, Issue Tracking https://github.com/ckolivas/lrzip/issues/263

Exploit https://github.com/user-attachments/files/21726331/PoC_NPD.zip

Permissions Required, VDB Entry https://vuldb.com/?ctiid.344931

Third Party Advisory, VDB Entry https://vuldb.com/?id.344931

Third Party Advisory, VDB Entry https://vuldb.com/?submit.752603

🔗 NVD 🔗 Mitre

Similar Threats

More CVE 2025 advisories

Browse all of CVE 2025 in the advisory index.

Exploit Protection

Are you running lrzip?

CVE-2025-15571 carries CVSS 3.3 Low rating and a public exploit already exists. BotEraser checks your installation against this and other known CVE records, and blocks IPs associated with exploit activity.

Check My Site For CVE-2025-15571 →

No credit card required · Results in minutes

ⓘ Data Notice: The information presented above has been compiled from publicly available internet sources. Boteraser aggregates this data solely for informational purposes and does not independently classify, evaluate, or endorse any findings about the vulnerabilities listed. The accuracy and completeness of this information is the sole responsibility of the original publishers. Boteraser and its operators accept no liability for any decisions made based on this data.