RLSA-2026:61581

Source
https://errata.rockylinux.org/RLSA-2026:61581
Import Source
https://storage.googleapis.com/resf-osv-data/RLSA-2026:61581.json
JSON Data
https://api.osv.dev/v1/vulns/RLSA-2026:61581
Upstream
  • CVE-2026-18477
  • CVE-2026-18508
  • CVE-2026-5704
Published
2026-09-01T06:05:33.619213Z
Modified
2026-09-01T06:30:02.785483335Z
Severity
  • 5.0 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N CVSS Calculator
Summary
Moderate: tar security, bug fix, and enhancement update
Details

The GNU tar program can save multiple files in an archive and restore files from an archive.

Security Fix(es):

  • tar: tar: Hidden file injection via crafted archives (CVE-2026-5704)

  • tar: tar: TOCTOU in incremental dumpdir 'X' rename handling allows restore path escape (CVE-2026-18477)

  • tar: tar: --one-top-level hardlink targets not confined to top-level directory enabling arbitrary file overwrite (CVE-2026-18508)

Bug Fix(es) and Enhancement(s):

  • tar: --one-top-level with absolute path fails [rhel-9] (JIRA:Rocky Linux-144021)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Database specific
{
    "license": "CC-BY-4.0",
    "source_advisory": "RHSA-2026:61581",
    "license_url": "https://creativecommons.org/licenses/by/4.0/"
}
References
Credits
    • Rocky Enterprise Software Foundation
    • Red Hat

Affected packages

Rocky Linux:9 / tar

Package

Name
tar
Purl
pkg:rpm/rocky-linux/tar?distro=rocky-linux-9&epoch=2

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2:1.34-13.el9_8
Database specific
Show details
{
    "yum_repository": "BaseOS"
}

Database specific

source
"https://storage.googleapis.com/resf-osv-data/RLSA-2026:61581.json"