bind: memory leaks in EdDSA DNSSEC verification code

A flaw was found in the Bind package, where the DNSSEC verification code for the EdDSA algorithm leaks memory when there is a signature length mismatch. By spoofing the target resolver with responses that have a malformed EdDSA signature, an attacker can trigger a small memory leak, resulting in...

CLSA-2022-1664476753 Fixed CVEs in bind: CVE-2022-38178, CVE-2022-38177, CVE-2022-2795

CVE-2022-2795: fix possible resolver performance degradation when processing large delegations - CVE-2022-38177: fix memory leak in ECDSA DNSSEC verification code - CVE-2022-38178: fix memory leak in EdDSA DNSSEC verification code...

CVE-2022-38178

A flaw was found in the Bind package, where the DNSSEC verification code for the EdDSA algorithm leaks memory when there is a signature length mismatch. By spoofing the target resolver with responses that have a malformed EdDSA signature, an attacker can trigger a small memory leak, resulting in...

USN-5626-1: Bind vulnerabilities

Yehuda Afek, Anat Bremler-Barr, and Shani Stajnrod discovered that Bind incorrectly handled large delegations. A remote attacker could possibly use this issue to reduce performance, leading to a denial of service. CVE-2022-2795 It was discovered that Bind incorrectly handled statistics requests. ...