Which versions of Lrzip are affected by CVE-2025-9396?

Organizations using ckolivas lrzip should be aware of moderate risk from CVE-2025-9396 rated CVSS 4.8. Exploitation could compromise the security of affected deployments.

Is there a public PoC exploit available for CVE-2025-9396?

Yes, a public proof-of-concept exploit is available for CVE-2025-9396. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2025-9396?

During next maintenance window: Identify affected systems running ckolivas lrzip and apply vendor patches when convenient. Monitor vendor channels for patch availability.

Lrzip CVE-2025-9396

Q: What is the CVSS score of CVE-2025-9396?

CVE-2025-9396 has a CVSS 4.0 base score of 1.9 (Low). CVSS 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/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 exploitation probability: 0.0%.

LOW

Improper Resource Shutdown or Release (CWE-404)

2025-08-24 cna@vuldb.com

Denial Of Service Lrzip Ckolivas

1.9

CVSS 4.0 · NVD

Severity by source

NVD PRIMARY

1.9 LOW

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

SUSE

1.7 LOW

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

Primary rating from NVD.

CVSS VectorNVD

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Lifecycle Timeline

Severity Changed

Apr 29, 2026 - 01:11 NVD

MEDIUM LOW

CVSS changed

Apr 29, 2026 - 01:11 NVD

4.8 (MEDIUM) 1.9 (LOW)

Analysis Generated

Mar 28, 2026 - 19:08 vuln.today

PoC Detected

Sep 12, 2025 - 20:07 vuln.today

Public exploit code

CVE Published

Aug 24, 2025 - 23:15 nvd

MEDIUM 4.8

DescriptionCVE.org

A security flaw has been discovered in ckolivas lrzip up to 0.651. This impacts the function __GI_____strtol_l_internal of the file strtol_l.c. Performing manipulation results in null pointer dereference. The attack is only possible with local access. The exploit has been released to the public and may be exploited.

AnalysisAI

A security flaw has been discovered in ckolivas lrzip up to 0.651. Rated medium severity (CVSS 4.8), this vulnerability is low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-404. A security flaw has been discovered in ckolivas lrzip up to 0.651. This impacts the function __GI_____strtol_l_internal of the file strtol_l.c. Performing manipulation results in null pointer dereference. The attack is only possible with local access. The exploit has been released to the public and may be exploited. Affected products include: Ckolivas Lrzip. Version information: up to 0.651..

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.