CVE-2025-54995 – Asterisk Resource Exhaustion and Leak Vulnerability

The following table lists the changes that have been made to the
CVE-2025-54995 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution
of a vulnerability, and for identifying the most recent changes that may
impact the vulnerability’s severity, exploitability, or other characteristics.

  • New CVE Received
    by [email protected]

    Aug. 28, 2025

    Action Type Old Value New Value
    Added Description Asterisk is an open source private branch exchange and telephony toolkit. Prior to versions 18.26.4 and 18.9-cert17, RTP UDP ports and internal resources can leak due to a lack of session termination. This could result in leaks and resource exhaustion. This issue has been patched in versions 18.26.4 and 18.9-cert17.
    Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
    Added CWE CWE-400
    Added CWE CWE-1286
    Added Reference https://github.com/asterisk/asterisk/commit/0278f5bde14565c6838a6ec39bc21aee0cde56a9
    Added Reference https://github.com/asterisk/asterisk/commit/eafcd7a451dcd007dddf324ac37dd55a4808338d
    Added Reference https://github.com/asterisk/asterisk/pull/1405
    Added Reference https://github.com/asterisk/asterisk/pull/1406
    Added Reference https://github.com/asterisk/asterisk/security/advisories/GHSA-557q-795j-wfx2
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