Unrestricted Upload of File with Dangerous Type The advisory has been revoked - it doesn't affect any version of package tar (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-RHEL10-TAR-15961315
- published10 Apr 2026
- disclosed6 Apr 2026
Introduced: 6 Apr 2026
CVE-2026-5704 (opens in a new tab)Amendment
The Red Hat security team deemed this advisory irrelevant for RHEL:10.
NVD Description
Note: Versions mentioned in the description apply only to the upstream tar package and not the tar package as distributed by RHEL.
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.
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2455360
- https://access.redhat.com/security/cve/CVE-2026-5704
- https://access.redhat.com/errata/RHSA-2026:61586
- https://access.redhat.com/errata/RHSA-2026:66514
- 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
- https://access.redhat.com/errata/RHSA-2026:61581
- https://access.redhat.com/errata/RHSA-2026:61783
- https://access.redhat.com/errata/RHSA-2026:66018
- https://access.redhat.com/errata/RHSA-2026:70390