Unrated severityNVD Advisory· Published Dec 5, 2022· Updated Apr 24, 2025

CVE-2022-42705

Description

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Freepbx/Asteriskcpe-rescue2 versions
(expand)+ 1 more
- (no CPE)
- (no CPE)range: = 16.28, = 18.14, = 19.6, = certified/18.9-cert2

Patches

Vulnerability mechanics

References

www.debian.org/security/2023/dsa-5358mitrevendor-advisory
lists.debian.org/debian-lts-announce/2023/02/msg00029.htmlmitremailing-list
downloads.asterisk.org/pub/security/AST-2022-008.htmlmitre

News mentions

No linked articles in our index yet.

cvss	0.000
epss	0.001
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000