GCVE-110-ISC-2026-81563

Advisory Published

Vulnetix · Advisory published September 16, 2026

CVE: CVE-2026-81563 Title: SVCB AliasMode additional-data error leaks qpcache references Document version: 2.0 Posting date: 16 September 2026 Program impacted: BIND 9 Versions affected: BIND 9.18.0 -> 9.18.50 9.20.0 -> 9.20.27 9.21.0 -> 9.21.25 BIND Supported Preview Edition 9.18.11-S1 -> 9.18.50-S1 9.20.9-S1 -> 9.20.27-S1 Severity: High Exploitable: Remotely Description: A BIND resolver encountering an SVCB/HTTPS AliasMode record referencing 14 or more SVCB/HTTPS ServiceMode records may fa ...

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Affected Products

Vendor	Product	Versions	Platforms
ISC	BIND	—	—

Aliases

CVE-2026-81563

References

CVE-2026-81563: SVCB AliasMode additional-data error leaks qpcache references

advisory

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