Is CVE-2015-1868 in the CISA KEV catalog?

No. CVE-2015-1868 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2015-1868?

CVE-2015-1868 has a CVSS v2 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2015-1868?

CVE-2015-1868 has an EPSS score of 81.83% (100th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2015-1868

HIGHEPSS 100th pctl

7.8

CVSS v2

NVD

Description

The label decompression functionality in PowerDNS Recursor 3.5.x, 3.6.x before 3.6.3, and 3.7.x before 3.7.2 and Authoritative (Auth) Server 3.2.x, 3.3.x before 3.3.2, and 3.4.x before 3.4.4 allows remote attackers to cause a denial of service (CPU consumption or crash) via a request with a name that refers to itself.

CWE-399

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

81.83%probability of exploitation in 30 days

100thpercentile

Very high risk: more likely to be exploited than 100% of all known CVEs.

References

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-06.