CVE-2026-31196.5MediumCWE-617
Authenticated query containing a TKEY record may cause named to terminate unexpectedly
ISC · BIND 9
Not in CISA KEVVendor fix available
0.6%probability of exploitation in the next 30 days
48th percentile
050100
Higher than 48% of scored CVEs
6.5MediumCVSS 3.1
LowMediumHighCrit.
DescriptionNVD
Under certain conditions, `named` may crash when processing a correctly signed query containing a TKEY record. The affected code can only be reached if an incoming request has a valid transaction signature (TSIG) from a key declared in the `named` configuration. This issue affects BIND 9 versions 9.20.0 through 9.20.20, 9.21.0 through 9.21.19, and 9.20.9-S1 through 9.20.20-S1. BIND 9 versions 9.18.0 through 9.18.46 and 9.18.11-S1 through 9.18.46-S1 are NOT affected.
Coverage1 article · 1 outlet
First in our coverage: SecurityWeek, 26 Mar.
- BIND Updates Patch High-Severity VulnerabilitiesSecurityWeek · first in our coverage · mentions it in passing
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