Vulnerabilities

Vulnerability · CVE-2025-0665

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

Published Feb 5, 2025 · catalog updated Oct 15, 2026 · libcurl would wrongly close

Check if you run it

No confirmed exploitation is on record for CVE-2025-0665. EPSS is 1.33%. Act only if a listed version of libcurl would wrongly close is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (libcurl would wrongly close).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High7.0
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
1.33%
Remediation
Advisory link
Affected products
cpe haxx/curl · cpe netapp/bootstrap os · cpe netapp/h300s firmware · cpe netapp/h410c firmware · cpe netapp/h410s firmware · cpe netapp/h500s firmware

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

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe haxx/curl8.11.1
  • cpe netapp/bootstrap osversion unspecified
  • cpe netapp/h300s firmwareversion unspecified
  • cpe netapp/h410c firmwareversion unspecified
  • cpe netapp/h410s firmwareversion unspecified
  • cpe netapp/h500s firmwareversion unspecified
  • cpe netapp/h700s firmwareversion unspecified

How to fix CVE-2025-0665

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-0665. EPSS is 1.33%. Act only if a listed version of libcurl would wrongly close is installed.

Which versions are affected?

Compare what you have installed with 8.11.1. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 1.33%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Feb 5, 2025 · NIST NVD

    Detected

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

  2. Oct 15, 2026 · NIST NVD

    Updated

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

Sources

  • CVE.orgVulnerability recordCVE-2025-0665

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-0665

    30-day exploitation probability 1.3%

    first.org
  • NIST NVDVulnerability recordCVE-2025-0665

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

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 16, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.