NULL pointer dereference in Ckolivas Lrzip
CVE-2025-9396
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.003 (17.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 18th percentile — 17.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000
Affected products
- Ckolivas Lrzip — versions 0.651
Weakness classification (CWE)
References
- vuldb.com/ (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/ (Exploit, VDB Entry, Third Party Advisory, third-party-advisory)
- github.com/ckolivas/lrzip/issues/264 (issue-tracking, Exploit, Issue Tracking, Vendor Advisory)
- drive.google.com/file/d/1EFbiiM1d7Ozb0ucZt6zRO3ngU8ugUnCn/view (Exploit, exploit)
Frequently asked questions
- What is CVE-2025-9396?
- CVE-2025-9396 is a low-severity vulnerability in Ckolivas Lrzip, classified under Improper Resource Shutdown or Release. CVSS score: 3.3/10. Published 2025-08-24.
- How severe is CVE-2025-9396?
- Low severity. CVSS v3 base score is 3.3 out of 10.