CVEvulnerability
CVE-2026-5704
5.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2026-04-06
- Last modified
- 2026-10-26
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 5.0 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N
- CVSS 3.1 ([email protected])
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
- Weaknesses
- CWE-434
Description
A flaw was found in tar. A remote attacker could exploit this vulnerability by crafting a malicious archive, leading to hidden file injection with fully attacker-controlled content. This bypasses pre-extraction inspection mechanisms, potentially allowing an attacker to introduce malicious files onto a system without detection.
Affected configurations
• gnu tar
• redhat hardened images
• redhat enterprise linux 6.0
• redhat enterprise linux 7.0
• redhat enterprise linux 8.0
• redhat enterprise linux 9.0
• redhat enterprise linux 10.0
Related
Weakness · CWE (1)
- CWE-434 Unrestricted Upload of File with Dangerous Type weakness
References
- https://access.redhat.com/errata/RHSA-2026:61581 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:61586 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:61783 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:66018 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:66514 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:70390 access.redhat.com
- https://access.redhat.com/security/cve/CVE-2026-5704 Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2455360 Exploit, Issue Tracking, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2026/04/11/10 Exploit, Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2026/04/11/11 Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2026/04/12/2 Exploit, Mailing List, Third Party Advisory