Announcing Incident Command! The AI powered Next-Gen SIEMLearn more.

vulnerability

Red Hat: CVE-2021-33644: out-of-bounds read in gnu_longname (Multiple Advisories)

Severity
7
CVSS
(AV:N/AC:H/Au:N/C:C/I:N/A:C)
Published
Aug 10, 2022
Added
May 17, 2023
Modified
Aug 11, 2025

Description

An attacker who submits a crafted tar file with size in header struct being 0 may be able to trigger an calling of malloc(0) for a variable gnu_longname, causing an out-of-bounds read.

Solutions

no-fix-redhat-rpm-packageredhat-upgrade-libtarredhat-upgrade-libtar-debuginforedhat-upgrade-libtar-debugsource
Title
NEW

Explore Exposure Command

Confidently identify and prioritize exposures from endpoint to cloud with full attack surface visibility and threat-aware risk context.