MNBSD-2026-53: possible cache poisoning attack while following delegation

Severity: Unknown

Affected Package: unbound

Summary: possible cache poisoning attack while following delegation

Description

A flaw while following delegations enables a possible cache poisoning attack. Reported by TaoFei Guo (Peking University), Yang Luo and JianJun Chen (Tsinghua University).

Affected Versions

unbound

Recommendations

No specific recommendations provided.

References

https://nvd.nist.gov/vuln/detail/CVE-2026-42960
https://nlnetlabs.nl/projects/unbound/security-advisories/

Additional Information

Aliases: CVE-2026-42960

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