CVE Explorer

CVE-2026-12617

The issue is unexpected program termination based on ordering and/or specific content in responses to queries for CNAME or DNAME, and A records. Specifically, if a client queries for a DNAME and A record below the DNAME to the resolver, and the authoritative server responds positively to the A query but delays the DNAME response and later responds negatively, `named` may quit unexpectedly. Or, if a client queries for a CNAME and A record for the same name to the resolver, and the authoritative s

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:2a23d99fb312e3cc8f98df2c1fb73fa98b874a8495c4fd7900f9f527c32b7a11

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Affected products and versions

1 source assertion

{"defaultStatus":"unaffected","product":"BIND 9","vendor":"ISC","versions":[{"lessThanOrEqual":"9.18.50","status":"affected","version":"9.18.0","versionType":"custom"},{"lessThanOrEqual":"9.20.24","status":"affected","version":"9.20.0","versionType":"custom"},{"lessThanOrEqual":"9.18.50-S1","status":"affected","version":"9.18.11-S1","versionType":"custom"},{"lessThanOrEqual":"9.20.24-S1","status":"affected","version":"9.20.9-S1","versionType":"custom"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:3a04da7af84b39d80c81340a076832414b1729427d3d892211d058708735f071 · sha256:a4b042dd59b7ad4c… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:3a04da7af84b39d80c81340a076832414b1729427d3d892211d058708735f071 · sha256:a4b042dd59b7ad4c… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion

{"cweId":"CWE-617","description":"CWE-617 Reachable Assertion","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:3a04da7af84b39d80c81340a076832414b1729427d3d892211d058708735f071 · sha256:a4b042dd59b7ad4c… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions

{"tags":["patch"],"url":"https://downloads.isc.org/isc/bind9/9.20.26"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:3a04da7af84b39d80c81340a076832414b1729427d3d892211d058708735f071 · sha256:a4b042dd59b7ad4c… · /containers/cna/references/1

{"name":"CVE-2026-12617","tags":["vendor-advisory"],"url":"https://kb.isc.org/docs/cve-2026-12617"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:3a04da7af84b39d80c81340a076832414b1729427d3d892211d058708735f071 · sha256:a4b042dd59b7ad4c… · /containers/cna/references/0

Attribution and limitations

CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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