CVE-2025-1632: libarchive bsdunzip.c list null pointer dereference

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2025-02-24 · updated 2026-06-17
Weakness: CWE-404

Description

A vulnerability was found in libarchive up to 3.7.7. It has been classified as problematic. This affects the function list of the file bsdunzip.c. The manipulation leads to null pointer dereference. It is possible to launch the attack on the local host. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

libarchive: through 3.7.7

References

https://github.com/Ekkosun/pocs/blob/main/bsdunzip-poc
https://vuldb.com/?ctiid.296619
https://vuldb.com/?id.296619
https://vuldb.com/?submit.496460
https://github.com/Ekkosun/pocs/blob/main/bsdunzip-poc

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