CVE-2021-26713
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2021-26713
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-26713.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2021-26713
- Downstream
- Published
- 2021-02-19T20:15:13Z
- Modified
- 2025-10-21T02:37:00Z
- Severity
-
- 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
- Summary
- [none]
- Details
-
A stack-based buffer overflow in resrtpasterisk.c in Sangoma Asterisk before 16.16.1, 17.x before 17.9.2, and 18.x before 18.2.1 and Certified Asterisk before 16.8-cert6 allows an authenticated WebRTC client to cause an Asterisk crash by sending multiple hold/unhold requests in quick succession. This is caused by a signedness comparison mismatch.
- References