SB2025041738 - Denial of service in HAProxy
Published: April 17, 2025
Security Bulletin ID
SB2025041738
Severity
Low
Patch available
NO
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) Heap-based buffer overflow (CVE-ID: CVE-2025-32464)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error within the regsub() function in src/sample.c. A remote attacker can pass specially crafted data to the application, trigger a heap-based buffer overflow and perform a denial of service (DoS) attack.
Successful exploitation of this vulnerability requires a very specific configuration of the proxy server.
Remediation
Cybersecurity Help is not aware of any official remediation provided by the vendor.