CVE-2019-18976
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2019-18976
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2019-18976.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2019-18976
- Downstream
- Published
- 2019-11-22T17:15:11.833Z
- Modified
- 2025-11-14T03:36:17.552129Z
- Severity
-
- 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
- Summary
- [none]
- Details
-
An issue was discovered in respjsipt38.c in Sangoma Asterisk through 13.x and Certified Asterisk through 13.21-x. If it receives a re-invite initiating T.38 faxing and has a port of 0 and no c line in the SDP, a NULL pointer dereference and crash will occur. This is different from CVE-2019-18940.
- References
-
- http://downloads.asterisk.org/pub/security/AST-2019-008.html
- https://lists.debian.org/debian-lts-announce/2022/04/msg00001.html
- https://packetstormsecurity.com/files/155436/Asterisk-Project-Security-Advisory-AST-2019-008.html
- https://seclists.org/fulldisclosure/2019/Nov/20
- https://www.asterisk.org/downloads/security-advisories
- https://www.cybersecurity-help.cz/vdb/SB2019112218?affChecked=1