CVE Catalog

CVE-2025-59781

HighCVSS 7.5
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.35%

27th percentile - higher than 27% of all known CVEs

Summary

When DNS cache is configured on a BIG-IP or BIG-IP Next CNF virtual server, undisclosed DNS queries can cause increased memory resource utilization. Software versions that have reached End of Technical Support (EoTS) are not evaluated.

Risk Assessment

An attacker can cause memory resource exhaustion via crafted DNS queries, potentially leading to service degradation or unavailability.

Recommendation

Update the software to a version containing the fix; EoTS versions are unsupported and should be replaced.

Other vulnerabilities in BIG-IP

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Original NVD description (English source)

When DNS cache is configured on a BIG-IP or BIG-IP Next CNF virtual server, undisclosed DNS queries can cause an increase in memory resource utilization.   Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS