CVE-2025-54995
asterisk: Asterisk is an open source private branch exchange and telephony toolkit
CVE-2025-54995 is fixed in 69 products on 1 platform, first by DEBIAN-CVE-2025-54995, released August 28, 2025. It is not reported as exploited. Patch Radar priority: Routine.
Routine
CVSS
6.5
medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0051
43rd percentile
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.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| asterisk · Debian 14 | 1:22.2.0~dfsg+~cs6.15.60671435-1 | DEBIAN-CVE-2025-54995 | Aug 28, 2025 |
| asterisk · Fedora 43 | 18.26.4-1.fc43 | FEDORA-2026-80B21DEBE7 | Apr 11, 2026 |
| asterisk-ael · Fedora 43 | 18.26.4-1.fc43 | FEDORA-2026-80B21DEBE7 | Apr 11, 2026 |
| asterisk-ael-debuginfo · Fedora 43 | 18.26.4-1.fc43 | FEDORA-2026-80B21DEBE7 | Apr 11, 2026 |
| asterisk-alembic · Fedora 43 | 18.26.4-1.fc43 | FEDORA-2026-80B21DEBE7 | Apr 11, 2026 |
| asterisk-alsa · Fedora 43 | 18.26.4-1.fc43 | FEDORA-2026-80B21DEBE7 | Apr 11, 2026 |
| asterisk-alsa-debuginfo · Fedora 43 | 18.26.4-1.fc43 | FEDORA-2026-80B21DEBE7 | Apr 11, 2026 |
| asterisk-calendar · Fedora 43 | 18.26.4-1.fc43 | FEDORA-2026-80B21DEBE7 | Apr 11, 2026 |
| asterisk-calendar-debuginfo · Fedora 43 | 18.26.4-1.fc43 | FEDORA-2026-80B21DEBE7 | Apr 11, 2026 |
| asterisk-corosync · Fedora 43 | 18.26.4-1.fc43 | FEDORA-2026-80B21DEBE7 | Apr 11, 2026 |
| asterisk-corosync-debuginfo · Fedora 43 | 18.26.4-1.fc43 | FEDORA-2026-80B21DEBE7 | Apr 11, 2026 |
| asterisk-curl · Fedora 43 | 18.26.4-1.fc43 | FEDORA-2026-80B21DEBE7 | Apr 11, 2026 |
| asterisk-curl-debuginfo · Fedora 43 | 18.26.4-1.fc43 | FEDORA-2026-80B21DEBE7 | Apr 11, 2026 |
| asterisk-dahdi · Fedora 43 | 18.26.4-1.fc43 | FEDORA-2026-80B21DEBE7 | Apr 11, 2026 |
| asterisk-dahdi-debuginfo · Fedora 43 | 18.26.4-1.fc43 | FEDORA-2026-80B21DEBE7 | Apr 11, 2026 |
| asterisk-debuginfo · Fedora 43 | 18.26.4-1.fc43 | FEDORA-2026-80B21DEBE7 | Apr 11, 2026 |
| asterisk-debugsource · Fedora 43 | 18.26.4-1.fc43 | FEDORA-2026-80B21DEBE7 | Apr 11, 2026 |
| asterisk-devel · Fedora 43 | 18.26.4-1.fc43 | FEDORA-2026-80B21DEBE7 | Apr 11, 2026 |
| asterisk-fax · Fedora 43 | 18.26.4-1.fc43 | FEDORA-2026-80B21DEBE7 | Apr 11, 2026 |
| asterisk-fax-debuginfo · Fedora 43 | 18.26.4-1.fc43 | FEDORA-2026-80B21DEBE7 | Apr 11, 2026 |
| asterisk-festival · Fedora 43 | 18.26.4-1.fc43 | FEDORA-2026-80B21DEBE7 | Apr 11, 2026 |
| asterisk-festival-debuginfo · Fedora 43 | 18.26.4-1.fc43 | FEDORA-2026-80B21DEBE7 | Apr 11, 2026 |
| asterisk-hep · Fedora 43 | 18.26.4-1.fc43 | FEDORA-2026-80B21DEBE7 | Apr 11, 2026 |
| asterisk-hep-debuginfo · Fedora 43 | 18.26.4-1.fc43 | FEDORA-2026-80B21DEBE7 | Apr 11, 2026 |
| asterisk-iax2 · Fedora 43 | 18.26.4-1.fc43 | FEDORA-2026-80B21DEBE7 | Apr 11, 2026 |
| asterisk-iax2-debuginfo · Fedora 43 | 18.26.4-1.fc43 | FEDORA-2026-80B21DEBE7 | Apr 11, 2026 |
| asterisk-ldap · Fedora 43 | 18.26.4-1.fc43 | FEDORA-2026-80B21DEBE7 | Apr 11, 2026 |
| asterisk-ldap-debuginfo · Fedora 43 | 18.26.4-1.fc43 | FEDORA-2026-80B21DEBE7 | Apr 11, 2026 |
| asterisk-lua · Fedora 43 | 18.26.4-1.fc43 | FEDORA-2026-80B21DEBE7 | Apr 11, 2026 |
| asterisk-lua-debuginfo · Fedora 43 | 18.26.4-1.fc43 | FEDORA-2026-80B21DEBE7 | Apr 11, 2026 |
| asterisk-mgcp · Fedora 43 | 18.26.4-1.fc43 | FEDORA-2026-80B21DEBE7 | Apr 11, 2026 |
| asterisk-mgcp-debuginfo · Fedora 43 | 18.26.4-1.fc43 | FEDORA-2026-80B21DEBE7 | Apr 11, 2026 |
| asterisk-minivm · Fedora 43 | 18.26.4-1.fc43 | FEDORA-2026-80B21DEBE7 | Apr 11, 2026 |
| asterisk-minivm-debuginfo · Fedora 43 | 18.26.4-1.fc43 | FEDORA-2026-80B21DEBE7 | Apr 11, 2026 |
| asterisk-mobile · Fedora 43 | 18.26.4-1.fc43 | FEDORA-2026-80B21DEBE7 | Apr 11, 2026 |
| asterisk-mobile-debuginfo · Fedora 43 | 18.26.4-1.fc43 | FEDORA-2026-80B21DEBE7 | Apr 11, 2026 |
| asterisk-mwi-external · Fedora 43 | 18.26.4-1.fc43 | FEDORA-2026-80B21DEBE7 | Apr 11, 2026 |
| asterisk-mwi-external-debuginfo · Fedora 43 | 18.26.4-1.fc43 | FEDORA-2026-80B21DEBE7 | Apr 11, 2026 |
| asterisk-mysql · Fedora 43 | 18.26.4-1.fc43 | FEDORA-2026-80B21DEBE7 | Apr 11, 2026 |
| asterisk-mysql-debuginfo · Fedora 43 | 18.26.4-1.fc43 | FEDORA-2026-80B21DEBE7 | Apr 11, 2026 |
| asterisk-odbc · Fedora 43 | 18.26.4-1.fc43 | FEDORA-2026-80B21DEBE7 | Apr 11, 2026 |
| asterisk-odbc-debuginfo · Fedora 43 | 18.26.4-1.fc43 | FEDORA-2026-80B21DEBE7 | Apr 11, 2026 |
| asterisk-oss · Fedora 43 | 18.26.4-1.fc43 | FEDORA-2026-80B21DEBE7 | Apr 11, 2026 |
| asterisk-oss-debuginfo · Fedora 43 | 18.26.4-1.fc43 | FEDORA-2026-80B21DEBE7 | Apr 11, 2026 |
| asterisk-pjsip · Fedora 43 | 18.26.4-1.fc43 | FEDORA-2026-80B21DEBE7 | Apr 11, 2026 |
| asterisk-pjsip-debuginfo · Fedora 43 | 18.26.4-1.fc43 | FEDORA-2026-80B21DEBE7 | Apr 11, 2026 |
| asterisk-portaudio · Fedora 43 | 18.26.4-1.fc43 | FEDORA-2026-80B21DEBE7 | Apr 11, 2026 |
| asterisk-portaudio-debuginfo · Fedora 43 | 18.26.4-1.fc43 | FEDORA-2026-80B21DEBE7 | Apr 11, 2026 |
| asterisk-postgresql · Fedora 43 | 18.26.4-1.fc43 | FEDORA-2026-80B21DEBE7 | Apr 11, 2026 |
| asterisk-postgresql-debuginfo · Fedora 43 | 18.26.4-1.fc43 | FEDORA-2026-80B21DEBE7 | Apr 11, 2026 |
| asterisk-radius · Fedora 43 | 18.26.4-1.fc43 | FEDORA-2026-80B21DEBE7 | Apr 11, 2026 |
| asterisk-radius-debuginfo · Fedora 43 | 18.26.4-1.fc43 | FEDORA-2026-80B21DEBE7 | Apr 11, 2026 |
| asterisk-sip · Fedora 43 | 18.26.4-1.fc43 | FEDORA-2026-80B21DEBE7 | Apr 11, 2026 |
| asterisk-sip-debuginfo · Fedora 43 | 18.26.4-1.fc43 | FEDORA-2026-80B21DEBE7 | Apr 11, 2026 |
| asterisk-skinny · Fedora 43 | 18.26.4-1.fc43 | FEDORA-2026-80B21DEBE7 | Apr 11, 2026 |
| asterisk-skinny-debuginfo · Fedora 43 | 18.26.4-1.fc43 | FEDORA-2026-80B21DEBE7 | Apr 11, 2026 |
| asterisk-snmp · Fedora 43 | 18.26.4-1.fc43 | FEDORA-2026-80B21DEBE7 | Apr 11, 2026 |
| asterisk-snmp-debuginfo · Fedora 43 | 18.26.4-1.fc43 | FEDORA-2026-80B21DEBE7 | Apr 11, 2026 |
| asterisk-sqlite · Fedora 43 | 18.26.4-1.fc43 | FEDORA-2026-80B21DEBE7 | Apr 11, 2026 |
| asterisk-sqlite-debuginfo · Fedora 43 | 18.26.4-1.fc43 | FEDORA-2026-80B21DEBE7 | Apr 11, 2026 |
| asterisk-tds · Fedora 43 | 18.26.4-1.fc43 | FEDORA-2026-80B21DEBE7 | Apr 11, 2026 |
| asterisk-tds-debuginfo · Fedora 43 | 18.26.4-1.fc43 | FEDORA-2026-80B21DEBE7 | Apr 11, 2026 |
| asterisk-unistim · Fedora 43 | 18.26.4-1.fc43 | FEDORA-2026-80B21DEBE7 | Apr 11, 2026 |
| asterisk-unistim-debuginfo · Fedora 43 | 18.26.4-1.fc43 | FEDORA-2026-80B21DEBE7 | Apr 11, 2026 |
| asterisk-voicemail · Fedora 43 | 18.26.4-1.fc43 | FEDORA-2026-80B21DEBE7 | Apr 11, 2026 |
| asterisk-voicemail-debuginfo · Fedora 43 | 18.26.4-1.fc43 | FEDORA-2026-80B21DEBE7 | Apr 11, 2026 |
| asterisk-voicemail-odbc · Fedora 43 | 18.26.4-1.fc43 | FEDORA-2026-80B21DEBE7 | Apr 11, 2026 |
| asterisk-voicemail-odbc-debuginfo · Fedora 43 | 18.26.4-1.fc43 | FEDORA-2026-80B21DEBE7 | Apr 11, 2026 |
| asterisk-voicemail-plain · Fedora 43 | 18.26.4-1.fc43 | FEDORA-2026-80B21DEBE7 | Apr 11, 2026 |
| asterisk-voicemail-plain-debuginfo · Fedora 43 | 18.26.4-1.fc43 | FEDORA-2026-80B21DEBE7 | Apr 11, 2026 |
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