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ISC BIND: named may terminate unexpectedly under high DNS-over-TLS query load (CVE-2023-4236)

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ISC BIND: named may terminate unexpectedly under high DNS-over-TLS query load (CVE-2023-4236)

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
09/20/2023
Created
01/30/2024
Added
01/29/2024
Modified
01/29/2024

Description

A flaw in the networking code handling DNS-over-TLS queries may cause `named` to terminate unexpectedly due to an assertion failure. This happens when internal data structures are incorrectly reused under significant DNS-over-TLS query load. This issue affects BIND 9 versions 9.18.0 through 9.18.18 and 9.18.11-S1 through 9.18.18-S1.

Solution(s)

  • upgrade-isc-bind-latest

References

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