Debian LTS: DLA-3138-1: bind9 security update
Summary
CVE-2022-2795
Yehuda Afek, Anat Bremler-Barr and Shani Stajnrod discovered that a
flaw in the resolver code can cause named to spend excessive amounts
of time on processing large delegations, significantly degrade
resolver performance and result in denial of service.
CVE-2022-38177
It was discovered that the DNSSEC verification code for the ECDSA
algorithm is susceptible to a memory leak flaw. A remote attacker
can take advantage of this flaw to cause BIND to consume resources,
resulting in a denial of service.
CVE-2022-38178
It was discovered that the DNSSEC verification code for the EdDSA
algorithm is susceptible to a memory leak flaw. A remote attacker
can take advantage of this flaw to cause BIND to consume resources,
resulting in a denial of service.
For Debian 10 buster, these problems have been fixed in version
1:9.11.5.P4+dfsg-5.1+deb10u8.
We recommend that you upgrade your bind9 packages.
For the detailed security status of bind9 please refer to
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