CVE-2026-81563
ADVISORY - nistSummary
A BIND resolver encountering an SVCB/HTTPS AliasMode record referencing 14 or more SVCB/HTTPS ServiceMode records may fail to properly deallocate internal resources. If this happens repeatedly, resource exhaustion will eventually prevent the resolver from performing new recursive lookups. This issue affects BIND 9 versions 9.18.0 through 9.18.50, 9.20.0 through 9.20.27, 9.21.0 through 9.21.25, 9.18.11-S1 through 9.18.50-S1, and 9.20.9-S1 through 9.20.27-S1.
Common Weakness Enumeration (CWE)
ADVISORY - nist
Missing Release of Memory after Effective Lifetime
NIST
CREATED
UPDATED
ADVISORY IDCVE-2026-81563
EXPLOITABILITY SCORE
3.9
EXPLOITS FOUND
-
COMMON WEAKNESS ENUMERATION (CWE)
CVSS SCORE
7.5highDebian
CREATED
UPDATED
ADVISORY IDCVE-2026-81563
EXPLOITABILITY SCORE
-
EXPLOITS FOUND
-
COMMON WEAKNESS ENUMERATION (CWE)-