CVE-2024-25638: DNSJava DNSSEC Bypass

Severity: high (CVSS 8.9 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-07-22 · updated 2026-06-17
Weakness: CWE-345

Description

dnsjava is an implementation of DNS in Java. Records in DNS replies are not checked for their relevance to the query, allowing an attacker to respond with RRs from different zones. This vulnerability is fixed in 3.6.0.

Affected products

dnsjava: before 3.6.0 — fixed in 3.6.0

How to fix

Upgrade to a fixed version: dnsjava 3.6.0. Check the vendor advisory for mitigations.

References

https://github.com/dnsjava/dnsjava/commit/2073a0cdea2c560465f7ac0cc56f202e6fc39705
https://github.com/dnsjava/dnsjava/security/advisories/GHSA-cfxw-4h78-h7fw
https://github.com/dnsjava/dnsjava/commit/bc51df1c455e6c9fb7cbd42fcb6d62d16047818d
https://github.com/dnsjava/dnsjava/security/advisories/GHSA-cfxw-4h78-h7fw

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