CVE-2022-42705
asterisk: A use-after-free in res_pjsip_pubsub.c in Sangoma Asterisk 16.28, 18.14, 19.6, and certified/18.9-cert2 may allow a r...
CVE-2022-42705 is fixed in 69 products on 1 platform, first by DEBIAN-CVE-2022-42705, released December 5, 2022. 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
0.0132
71st percentile
A use-after-free in res_pjsip_pubsub.c in Sangoma Asterisk 16.28, 18.14, 19.6, and certified/18.9-cert2 may allow a remote authenticated attacker to crash Asterisk (denial of service) by performing activity on a subscription via a reliable transport at the same time that Asterisk is also performing activity on that subscription.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| asterisk · Debian 14 | 1:20.0.1~dfsg+~cs6.12.40431414-1 | DEBIAN-CVE-2022-42705 | Dec 5, 2022 |
| 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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