NULL pointer dereference in Asterisk

CVE-2024-42491

Asterisk is an open-source private branch exchange (PBX). Prior to versions 18.24.3, 20.9.3, and 21.4.3 of Asterisk and versions 18.9-cert12 and 20.7-cert2 of certified-asterisk, if Asterisk attempts to send a SIP request to a URI whose ho…

EPSS: 0.006 (42.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.7 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2024-42491?
CVE-2024-42491 is a medium-severity vulnerability in Asterisk, classified under CWE-252. CVSS score: 5.7/10. Published 2024-09-05.
How severe is CVE-2024-42491?
Medium severity. CVSS v3 base score is 5.7 out of 10.