SB20260731127 - Red Hat Enterprise Linux 10 update for buildah

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Main Vulnerability Database SB20260731127

SB20260731127 - Red Hat Enterprise Linux 10 update for buildah

Published: July 31, 2026

Security Bulletin ID SB20260731127
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Information disclosure

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Link following (CVE-ID: CVE-2026-39822)

CWE-ID: CWE-59 - Improper Link Resolution Before File Access ('Link Following')

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local user to access files outside the intended root directory.

The vulnerability exists due to improper link resolution in os.Root file-opening functions when processing a path whose final component is a symbolic link and the path ends with a trailing slash. A local user can supply a crafted path to access files outside the intended root directory.

This issue affects Unix systems.


Remediation

Install update from vendor's website.

References