CVE-2026-53655: node-tar applies PAX size override to intermediary GNU long-name/long-link headers, causing tar parser interpretation differential (file smuggling)
Overview
- Severity
- Medium (CVSS 5.5)
- CVSS Vector
- CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
- Exploit Status
- Not Exploited
- Patch Tuesday
- 2026-Jun
- Released
- 2026-06-28
- Last Updated
- 2026-06-29
- EPSS Score
- 0.14% (percentile: 3.9%)
Affected Products (1)
Open Source Software
- azl3 tar 1.35-2 on Azure Linux 3.0
Revision History
- 2026-06-28: Information published.
- 2026-06-29: Information published.