Is CVE-2025-0665 in the CISA KEV catalog?

No. CVE-2025-0665 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-0665?

CVE-2025-0665 has a CVSS v3 base score of 7.0 (HIGH).

What is the EPSS score for CVE-2025-0665?

CVE-2025-0665 has an EPSS score of 1.17% (63th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2025-0665

HIGH

7.0

CVSS v3

NVD

Description

libcurl would wrongly close the same eventfd file descriptor twice when taking down a connection channel after having completed a threaded name resolve.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityHigh

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H

Exploit Intelligence

1.17%probability of exploitation in 30 days

63rdpercentile

Moderate risk: more likely to be exploited than 63% 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 2026-03-17.