SB2026012755 - Fedora 42 update for openbao
Published: January 27, 2026
Security Bulletin ID
SB2026012755
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Resource exhaustion (CVE-ID: CVE-2025-58183)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists in archive/tar due to the tar.Reader does not set a maximum size on the number of sparse region data blocks in GNU tar pax 1.0 sparse files. A remote attacker can pass a specially crafted archive to the application and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.