CVE-2022-26499
An SSRF issue was discovered in Asterisk through 19.x. When using STIR/SHAKEN, it’s possible to send arbitrary requests (such as GET) to interfaces such as localhost by using the Identity header. This is fixed in 16.25.2, 18.11.2, and 19.3.2.
Date published : 2022-04-15
http://packetstormsecurity.com/files/166745/Asterisk-Project-Security-Advisory-AST-2022-002.html