SB2025083019 - Denial of service in Certified Asterisk and Asterisk Open Source
Published: August 30, 2025
Security Bulletin ID
SB2025083019
Severity
Low
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 management error (CVE-ID: CVE-2025-54995)
The vulnerability allows a remote user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper management of internal resources within the application. A remote user can pass specially crafted data to the application and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://github.com/asterisk/asterisk/commit/0278f5bde14565c6838a6ec39bc21aee0cde56a9
- https://github.com/asterisk/asterisk/commit/eafcd7a451dcd007dddf324ac37dd55a4808338d
- https://github.com/asterisk/asterisk/pull/1405
- https://github.com/asterisk/asterisk/pull/1406
- https://github.com/asterisk/asterisk/security/advisories/GHSA-557q-795j-wfx2