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.

Weakness

The product does not release or incorrectly releases a resource before it is made available for re-use.

Potential Mitigations

• Use a language that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid.
• For example, languages such as Java, Ruby, and Lisp perform automatic garbage collection that releases memory for objects that have been deallocated.

Related Attack Patterns

• https://cwe.mitre.org/data/definitions/125.html
• https://cwe.mitre.org/data/definitions/130.html
• https://cwe.mitre.org/data/definitions/131.html
• https://cwe.mitre.org/data/definitions/494.html
• https://cwe.mitre.org/data/definitions/495.html
• https://cwe.mitre.org/data/definitions/496.html
• https://cwe.mitre.org/data/definitions/666.html

References

• https://drive.google.com/file/d/1EFbiiM1d7Ozb0ucZt6zRO3ngU8ugUnCn/view?usp=sharing
• https://github.com/ckolivas/lrzip/issues/264
• https://vuldb.com/?ctiid.321232
• https://vuldb.com/?id.321232
• https://vuldb.com/?submit.632368
• https://github.com/ckolivas/lrzip/issues/264
• https://vuldb.com/?submit.632368