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 malicious user 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.
Vulnerable Product | Search on Vulmon | Subscribe to Product |
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sangoma certified asterisk 18.9 |
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sangoma asterisk |
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sangoma asterisk 20.0.0 |