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Vulnerability · Published Aug 24, 2025 · Assigned by VulDB

CVE-2025-9396ckolivas lrzip strtol_l.c __GI_____strtol_l_internal null pointer dereference

Low 3.3

In plain English

A low-severity null pointer dereference in lrzip from ckolivas. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 21% of all known vulnerabilities).

Severity (CVSS 3.1)3.3Low
Exploit odds (30 days)0.3%top 79.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

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 packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12lrzipno fix listedDEBIAN-CVE-2025-9396
Debian:13lrzipno fix listedDEBIAN-CVE-2025-9396
Debian:14lrzipno fix listedDEBIAN-CVE-2025-9396
Ubuntu:22.04:LTSlrzipno fix listedUBUNTU-CVE-2025-9396
Ubuntu:24.04:LTSlrzipno fix listedUBUNTU-CVE-2025-9396
Ubuntu:25.10lrzipno fix listedUBUNTU-CVE-2025-9396
Ubuntu:26.04:LTSlrzipno fix listedUBUNTU-CVE-2025-9396
Ubuntu:26.10lrzipno fix listedUBUNTU-CVE-2025-9396

Affected products (as reported)

VendorProductVersions
ckolivas lrzip 0.651

Weakness: CWE-476, CWE-404 · 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

References