CVE-2026-19667
ADVISORY - nistSummary
If an attacker-controlled authoritative server can produce a negative answer that is exactly 65536 bytes, then a flaw in named results in a negative cache entry of 0 bytes. When this entry is subsequently read, named aborts.
This issue affects BIND 9 versions 9.11.0 through 9.18.50, 9.20.0 through 9.20.27, 9.21.0 through 9.21.25, 9.11.3-S1 through 9.18.50-S1, and 9.20.9-S1 through 9.20.27-S1.
Common Weakness Enumeration (CWE)
ADVISORY - nist
Numeric Truncation Error
NIST
CREATED
UPDATED
ADVISORY IDCVE-2026-19667
EXPLOITABILITY SCORE
3.9
EXPLOITS FOUND
-
COMMON WEAKNESS ENUMERATION (CWE)
CVSS SCORE
7.5highDebian
CREATED
UPDATED
ADVISORY IDCVE-2026-19667
EXPLOITABILITY SCORE
-
EXPLOITS FOUND
-
COMMON WEAKNESS ENUMERATION (CWE)-