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Medium 6.5Published Mar 25, 2026

CVE-2026-3119Authenticated query containing a TKEY record may cause named to terminate unexpectedly

Updated under an hour ago ()

Does this affect you?

It affects ISC BIND 9 and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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.

CVSS
6.5 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE)
CWE-617
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
isc
NVD analysis
Analyzed
Record last updated
Mar 25, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
ISC BIND 9
isc:bind_9 (from the name)
from 9.20.0 through 9.20.20; from 9.21.0 through 9.21.19; from 9.20.9-S1 through 9.20.20-S1; from 9.18.0 through 9.18.46 not affected; from 9.18.11-S1 through 9.18.46-S1 not affected
CNA record
isc bind
isc:bind
from 9.20.0 before 9.20.21; from 9.21.0 before 9.21.20
NVD

References

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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