GHSA-mmwx-rj87-vfgr: DNSJava affected by KeyTrap - NSEC3 closest encloser proof can exhaust CPU resources

July 22, 2024 (updated September 12, 2024)

Users using the ValidatingResolver for DNSSEC validation can run into CPU exhaustion with specially crafted DNSSEC-signed zones.

References

github.com/advisories/GHSA-mmwx-rj87-vfgr
github.com/advisories/GHSA-pv4h-p8jr-6cv2
github.com/dnsjava/dnsjava
github.com/dnsjava/dnsjava/commit/711af79be3214f52daa5c846b95766dc0a075116
github.com/dnsjava/dnsjava/security/advisories/GHSA-mmwx-rj87-vfgr
nvd.nist.gov/vuln/detail/CVE-2023-50868

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