vulnerability

Alpine Linux: CVE-2021-28904: Unchecked Return Value

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:P)
Published
May 20, 2021
Added
Oct 1, 2024
Modified
Aug 8, 2025

Description

In function ext_get_plugin() in libyang <= v1.0.225, it doesn't check whether the value of revision is NULL. If revision is NULL, the operation of strcmp(revision, ext_plugins[u].revision) will lead to a crash.

Solution

alpine-linux-upgrade-libyang
Title
NEW

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