Bundesamt für Sicherheit in der Informationstechnik Fedora · GNU tar: Mehrere Schwachstellen ermöglichen Manipulation von Dateien
Affects Bundesamt für Sicherheit in der Informationstechnik FedoraSource GCVE Database
Not known to be exploited · CVSS 4.4 Medium.
Data as of 11 Nov 2026, 10:18 UTC
Thin evidence
One scorer or none| CNA (redhat) | CVSS 3.1 | 4.4 |
|---|
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:H/A:NExploitation evidence
Disclosed: evidence found.
CVE published 3 Aug 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 10 Nov 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Red Hat Enterprise Linux 10tar | Affected– | Fixed in– |
| Red Hat Enterprise Linux 8tar | Affected– | Fixed in– |
| Red Hat Enterprise Linux 9tar | Affected– | Fixed in– |
| Red Hat Discovery 2discovery/discovery-server-rhel9 | Affected– | Fixed in– |
| Red Hat Hardened Imagestar-main | Affected– | Fixed in– |
| Red Hat Update Infrastructure 5rhui5/cds-kubernetes-rhel9 | Affected– | Fixed in– |
AI-suggested
Apply the updated RPM packages provided by Red Hat (tar-1.35-9.2.hum1) for Red Hat Hardened Images as detailed in the Red Hat advisory RHSA-2026:50807. This update addresses the vulnerabilities and mitigates the risk of file manipulation. No additional action is required beyond applying the official update.
Description
Multiple vulnerabilities have been identified in GNU Tar, a widely used archive processing program included in many Linux distributions. These vulnerabilities could allow manipulation of files. Red Hat has issued security advisories addressing related CVEs, including CVE-2026-18477, with updated RPM packages available for Red Hat Hardened Images. No public exploit code or in-the-wild exploitation has been reported. The advisories recommend applying the provided updates to mitigate the issues.
References
- wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-2633.json (opens in a new tab)
- wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-2633 (opens in a new tab)
- github.com/advisories/GHSA-4f5j-wqjr-hx49 (opens in a new tab)
- github.com/advisories/GHSA-V7FX-GJVH-347C (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:50807 (opens in a new tab)
- errata.build.resf.org/RLSA-2026:61581 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:61783 (opens in a new tab)
- linux.oracle.com/errata/ELSA-2026-61581-0.html (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:61586 (opens in a new tab)
- linux.oracle.com/errata/ELSA-2026-61586-0.html (opens in a new tab)
- bodhi.fedoraproject.org/updates/FEDORA-2026-044e56d9ff (opens in a new tab)
- bodhi.fedoraproject.org/updates/FEDORA-2026-ee1eb89e7b (opens in a new tab)
- errata.build.resf.org/RLSA-2026:61586 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:70390 (opens in a new tab)
- ibm.com/support/pages/node/7289064 (opens in a new tab)
- errata.build.resf.org/RLSA-2026:70390 (opens in a new tab)
- linux.oracle.com/errata/ELSA-2026-70390.html (opens in a new tab)
- ibm.com/support/pages/node/7295452 (opens in a new tab)
- lists.suse.com/pipermail/sle-security-updates/2026-November/030530.html (opens in a new tab)