PT-2025-35096 · Asterisk +1 · Asterisk +1

Alexat · Published 2025-08-28 · Updated 2025-08-29 · CVE-2025-54995

Positive Technologies · (AI Summary)

CVSS v3.1

6.5

6.5

Medium

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions:

Asterisk versions prior to 18.26.4

Asterisk versions prior to 18.9-cert17

Description:

Asterisk, an open source private branch exchange and telephony toolkit, is susceptible to resource exhaustion due to a lack of session termination. This can lead to leaks of RTP UDP ports and internal resources.

Recommendations:

Update Asterisk to version 18.26.4 or later.

Update Asterisk to version 18.9-cert17 or later.

Fix

Resource Exhaustion

Weakness Enumeration

CWE-1286

CWE-400

Related Identifiers

CVE-2025-54995

GHSA-557Q-795J-WFX2

Affected Products

Asterisk

Debian

References · 13

• https://osv.dev/vulnerability/CVE-2025-54995 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2025-54995 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-54995 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-54995 · Security Note
• https://security-tracker.debian.org/tracker/source-package/asterisk · Vendor Advisory
• https://github.com/asterisk/asterisk/pull/1406 · Note
• https://github.com/asterisk/asterisk/pull/1405 · Note
• https://github.com/asterisk/asterisk/security/advisories/GHSA-557q-795j-wfx2 · Note
• https://github.com/asterisk/asterisk/commit/eafcd7a451dcd007dddf324ac37dd55a4808338d · Note
• https://github.com/asterisk/asterisk/commit/0278f5bde14565c6838a6ec39bc21aee0cde56a9 · Note
• https://packages.debian.org/src:asterisk · Note
• https://twitter.com/CVEnew/status/1961101309089837269 · Twitter Post
• https://twitter.com/VulmonFeeds/status/1961228819496304943 · Twitter Post