CVEvulnerability

CVE-2021-33643

9.1 CRITICAL Published 2022-08-10 Modified 2026-06-23 Official page ↗
Status
Modified
Published
2022-08-10
Last modified
2026-06-23
Assigner
[email protected]
CVSS 3.1 ([email protected])
9.1 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
6.5 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
Weaknesses
CWE-125

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.

Affected configurations

• feep libtar (< 1.2.21) • openatom openeuler 20.03 • openatom openeuler 22.03 • fedoraproject fedora 35 • fedoraproject fedora 36 • fedoraproject fedora 37

Related

Weakness · CWE (1)

  • CWE-125 Out-of-bounds Read weakness

References