Medium severity6.5NVD Advisory· Published Jan 29, 2021· Updated Jun 17, 2026
CVE-2020-35652
CVE-2020-35652
Description
An issue was discovered in res_pjsip_diversion.c in Sangoma Asterisk before 13.38.0, 14.x through 16.x before 16.15.0, 17.x before 17.9.0, and 18.x before 18.1.0. A crash can occur when a SIP message is received with a History-Info header that contains a tel-uri, or when a SIP 181 response is received that contains a tel-uri in the Diversion header.
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Affected products
3- Sangoma/Asteriskdescription
Patches
Vulnerability mechanics
References
4- issues.asterisk.org/jira/browse/ASTERISK-29191nvdExploitVendor Advisory
- downloads.asterisk.org/pub/security/AST-2020-003.htmlnvdVendor Advisory
- downloads.asterisk.org/pub/security/AST-2020-004.htmlnvdVendor Advisory
- issues.asterisk.org/jira/browse/ASTERISK-29219nvdVendor Advisory
News mentions
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