Security Advisories

Stay up to date with the latest security advisories for the
Asterisk Project.

AST-2021-004: An unsuspecting user could crash Asterisk with multiple hold/unhold requests

February 18, 2021

https://issues.asterisk.org/jira/browse/ASTERISK-29205

https://downloads.asterisk.org/pub/security/AST-2021-004.html

AST-2021-001: Remote crash in res_pjsip_diversion

February 18, 2021

https://downloads.asterisk.org/pub/security/AST-2021-001.html

https://issues.asterisk.org/jira/browse/ASTERISK-29227

AST-2021-002: Remote crash possible when negotiating T.38

February 18, 2021

https://downloads.asterisk.org/pub/security/AST-2021-002.html

https://issues.asterisk.org/jira/browse/ASTERISK-29203

AST-2021-003: Remote attacker could prematurely tear down SRTP calls

February 18, 2021

https://issues.asterisk.org/jira/browse/ASTERISK-29260

https://downloads.asterisk.org/pub/security/AST-2021-003.html

AST-2020-004: Crash from SIP 181 response in res_pjsip_diversion

December 22, 2020

https://downloads.asterisk.org/pub/security/AST-2020-004.html

https://issues.asterisk.org/jira/browse/ASTERISK-29191