SB2025040925 - Fedora 41 update for c-ares
Published: April 9, 2025
Security Bulletin ID
SB2025040925
Severity
High
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) Use-after-free (CVE-ID: CVE-2025-31498)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within the read_answers() function. A remote attacker can send specially crafted ICMP UNREACHABLE packets to the application, trigger a use-after-free error and execute arbitrary code on the system.
Remediation
Install update from vendor's website.