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Unrated severityNVD Advisory· Published Jun 21, 2023· Updated Feb 13, 2025

Malformed NSEC records can cause named to terminate unexpectedly when synth-from-dnssec is enabled

CVE-2023-2829

Description

A named instance configured to run as a DNSSEC-validating recursive resolver with the Aggressive Use of DNSSEC-Validated Cache (RFC 8198) option (synth-from-dnssec) enabled can be remotely terminated using a zone with a malformed NSEC record. This issue affects BIND 9 versions 9.16.8-S1 through 9.16.41-S1 and 9.18.11-S1 through 9.18.15-S1.

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LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

2
  • Isc/Bindllm-fuzzy2 versions
    >=9.16.8-S1 <=9.16.41-S1, >=9.18.11-S1 <=9.18.15-S1+ 1 more
    • (no CPE)range: >=9.16.8-S1 <=9.16.41-S1, >=9.18.11-S1 <=9.18.15-S1
    • (no CPE)range: 9.16.8-S1

Patches

Vulnerability mechanics

References

2

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