CVE-2025-54995

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
6.5 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
GitHub_MCNA
6.5 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CISA-ADPADP
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Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 44%
Debian logo
Debian Releases
Debian Product
Codename
asterisk
bullseye
vulnerable
bullseye (security)
vulnerable
sid
1:22.5.2~dfsg+~cs6.15.60671435-1
fixed
Common Weakness Enumeration
Vulnerability Media Exposure
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