CVE-2025-0665

eventfd double close

Description

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

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
EPSS 1.33% Top 25%
Affected: curl curl
Published at:
Updated at:

References

Link Tags
https://curl.se/docs/CVE-2025-0665.json
https://curl.se/docs/CVE-2025-0665.html
https://hackerone.com/reports/2954286
http://www.openwall.com/lists/oss-security/2025/02/05/2
http://www.openwall.com/lists/oss-security/2025/02/05/5
https://security.netapp.com/advisory/ntap-20250306-0007/

Frequently Asked Questions

What is the severity of CVE-2025-0665?
CVE-2025-0665 has been scored as a critical severity vulnerability.
How to fix CVE-2025-0665?
To fix CVE-2025-0665, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-0665 being actively exploited in the wild?
It is possible that CVE-2025-0665 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-0665?
CVE-2025-0665 affects curl curl.
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