Vulnerability in Red Hat Enterprise Linux 10
CVE-2026-18508
A flaw was found in GNU tar. When extracting an archive with the --one-top-level option, hardlink targets are not confined to the designated top-level directory and may resolve relative to the extraction working directory. A crafted archiv…
CVSS v3 metric
CVSS v3 base score 4.4 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N.
Affected products
Weakness classification (CWE)
References
- secalert@redhat.com (x_refsource_REDHAT, vdb-entry)
- secalert@redhat.com (x_refsource_REDHAT, issue-tracking)
Frequently asked questions
- What is CVE-2026-18508?
- CVE-2026-18508 is a medium-severity vulnerability in Red Hat Enterprise Linux 10, classified under Improper Link Resolution Before File Access. CVSS score: 4.4/10. Published 2026-08-03.
- How severe is CVE-2026-18508?
- Medium severity. CVSS v3 base score is 4.4 out of 10.