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USN-5626-1: Bind vulnerabilities

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. A
remote attacker could possibly use this issue to obtain sensitive memory
contents, or cause a denial of service. This issue only affected Ubuntu
22.04 LTS. (CVE-2022-2881)

It was discovered that Bind incorrectly handled memory when processing
certain Diffie-Hellman key exchanges. A remote attacker could use this
issue to consume resources, leading to a denial of service. This issue only
affected Ubuntu 22.04 LTS. (CVE-2022-2906)

Maksym Odinintsev discovered that Bind incorrectly handled answers from
cache when configured with a zero stale-answer-timeout. A remote attacker
could possibly use this issue to cause Bind to crash, resulting in a denial
of service. This issue only affected Ubuntu 22.04 LTS. (CVE-2022-3080)

It was discovered that Bind incorrectly handled memory when processing
ECDSA DNSSEC verification. A remote attacker could use this issue to
consume resources, leading to a denial of service. This issue only affected
Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2022-38177)

It was discovered that Bind incorrectly handled memory when processing
EDDSA DNSSEC verification. A remote attacker could use this issue to
consume resources, leading to a denial of service. (CVE-2022-38178)
Source: USN-5626-1: Bind vulnerabilities

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