VULNERABILITY INTELLIGENCE

CVE-2021-33643

CVSS score9.1 CRITICAL
EPSS probability1.88%
CISA KEVNot currently listed
Published2022-08-10
Last modified2026-06-23
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

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_longlink, causing an out-of-bounds read.

Weakness classification

  • CWE-125: Out-of-bounds Read

Primary references