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

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact Low

User Interaction None

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact Low

User Interaction None

Access Vector Local

Access Complexity Low

Authentication Single

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

No EPSS score available.

Exploitation poc

Automatable no

Technical Impact partial

Affected Vendors & Products

Vendors Products
Ckolivas Subscribe
Lrzip Subscribe

No data.

No data.

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Vendors Products
Ckolivas Subscribe
Lrzip Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/ckolivas/lrzip/ cve-icon cve-icon
https://github.com/ckolivas/lrzip/issues/263 cve-icon cve-icon
https://github.com/user-attachments/files/21726331/PoC_NPD.zip cve-icon cve-icon
https://vuldb.com/?ctiid.344931 cve-icon cve-icon
https://vuldb.com/?id.344931 cve-icon cve-icon
https://vuldb.com/?submit.752603 cve-icon cve-icon
History

Tue, 10 Feb 2026 20:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Tue, 10 Feb 2026 15:45:00 +0000

Type Values Removed Values Added
First Time appeared Ckolivas
Ckolivas lrzip
Vendors & Products Ckolivas
Ckolivas lrzip

Tue, 10 Feb 2026 14:45:00 +0000

Type Values Removed Values Added
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.
Title ckolivas lrzip stream.c ucompthread null pointer dereference
Weaknesses CWE-404
CWE-476
References
Metrics cvssV2_0

{'score': 1.7, 'vector': 'AV:L/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 3.3, 'vector': 'CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 3.3, 'vector': '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'}

cvssV4_0

{'score': 4.8, 'vector': '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'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2026-02-10T19:54:25.242Z

Reserved: 2026-02-08T08:19:28.871Z

Link: CVE-2025-15571

cve-icon Vulnrichment

Updated: 2026-02-10T19:54:21.325Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-02-10T15:16:04.443

Modified: 2026-02-10T15:22:54.740

Link: CVE-2025-15571

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-02-10T15:37:10Z

Weaknesses