MNBSD-2026-45: possible remote code execution during DNSSEC validation

Description

A flaw in DNSSEC validation can lead to possible remote code execution. Reported by Qifan Zhang, Palo Alto Networks.

Affected Versions

unbound

Recommendations

No specific recommendations provided.

References

• https://nvd.nist.gov/vuln/detail/CVE-2026-33278
• https://nlnetlabs.nl/projects/unbound/security-advisories/

Additional Information

Aliases: CVE-2026-33278

Published: June 11, 2026
Last Modified: June 11, 2026