CVE-2022-42705 (GCVE-0-2022-42705)
Vulnerability from cvelistv5 – Published: 2022-12-05 00:00 – Updated: 2025-04-24 14:25
VLAI
EPSS
VEX
Summary
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.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-24 14:25 UTC
CWE
- n/a
- CWE-416 - Use After Free
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://downloads.asterisk.org/pub/security/AST-2… | |
| https://lists.debian.org/debian-lts-announce/2023… | mailing-list |
| https://www.debian.org/security/2023/dsa-5358 | vendor-advisory |
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