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CVE-2022-42705

Status Candidate

Overview

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.

Related Files

Debian Security Advisory 5358-1
Posted Feb 23, 2023
Authored by Debian | Site debian.org

Debian Linux Security Advisory 5358-1 - Multiple security vulnerabilities have been discovered in Asterisk, an Open Source Private Branch Exchange. Buffer overflows and other programming errors could be exploited for launching a denial of service attack or the execution of arbitrary code.

tags | advisory, denial of service, overflow, arbitrary, vulnerability
systems | linux, debian
advisories | CVE-2022-23537, CVE-2022-23547, CVE-2022-31031, CVE-2022-37325, CVE-2022-39244, CVE-2022-39269, CVE-2022-42705, CVE-2022-42706
SHA-256 | af27f2dc4d2e27bc3dbab6aae8f01920efe10398bf7112aa8d1bf8bfe6bb6c8c
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