CVE-2026-18477: Tar: tar: toctou in incremental dumpdir 'x' rename handling allows restore path escape
Overview
- Severity
- Medium (CVSS 4.4)
- CVSS Vector
- CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:H/A:N
- Exploit Status
- Not Exploited
- Patch Tuesday
- 2026-Aug
- Released
- 2026-08-07
- EPSS Score
- 0.10% (percentile: 1.2%)
Affected Products (1)
Open Source Software
- azl3 tar 1.35-2 on Azure Linux 3.0
Revision History
- 2026-08-07: Information published.