medium5.0
CVE-2026-5704
A flaw was found in tar.
Impact
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 products
| Vendor | Product | Affected versions |
|---|---|---|
| Gnu | Tar | All versions |
| Redhat | Hardened Images | All versions |
| Redhat | Enterprise Linux | Versions 6.0, 7.0, 8.0, 9.0, 10.0 |
Weakness classification
References
- NVD record
- CVE.org record
- https://access.redhat.com/errata/RHSA-2026:61581
- https://access.redhat.com/errata/RHSA-2026:61586
- https://access.redhat.com/errata/RHSA-2026:61783
- https://access.redhat.com/errata/RHSA-2026:66018
- https://access.redhat.com/errata/RHSA-2026:66514
- https://access.redhat.com/errata/RHSA-2026:70390
- https://access.redhat.com/security/cve/CVE-2026-5704
- https://bugzilla.redhat.com/show_bug.cgi?id=2455360
- http://www.openwall.com/lists/oss-security/2026/04/11/10
- http://www.openwall.com/lists/oss-security/2026/04/11/11
- http://www.openwall.com/lists/oss-security/2026/04/12/2