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

Medium 4.8 Published Updated

A local attacker can cause a denial of service via null pointer dereference in libarchive's bsdunzip list function.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
Available

What is CVE-2025-1632?

CVE-2025-1632 is a medium-severity vulnerability in Libarchive Libarchive, published on 24 Feb 2025. It can only be exploited from the same machine or local network, with no action from the victim.

Official 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.

Weakness: CWE-476, CWE-404

Which versions are affected by CVE-2025-1632?

It affects 1 product.

Products include Libarchive Libarchive.

How do I fix CVE-2025-1632?

No fix published yet.

Is CVE-2025-1632 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-1632 exists.

All Libarchive Libarchive vulnerabilities

Sources

Also known as ALPINE-CVE-2025-1632, AZL-57156, BELL-CVE-2025-1632, DEBIAN-CVE-2025-1632, ECHO-bddc-4b21-dfd5, GHSA-cw9m-pj72-3cj5 and 3 more.

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