CVE-2025-0665

CVE-2025-0665

High · published February 5, 2025

CVSS v3.1
7.0
EPSS
1%
Percentile
70.8
In the wild
Unconfirmed
What it is

⚡ A double closing of the eventfd file descriptor can lead to trouble! libcurl mistakenly shuts a connection down twice, and that could spell chaos for your applications! Think of it like a hotel that accidentally locks its front door twice. Guests might get confused and think they can't enter when, in fact, the door is just malfunctioning! This mix-up in libcurl can disrupt operations when resolving connections. If exploited, this vulnerability could lead to unexpected behavior in applications relying on libcurl, potentially crashing threads or causing instability. In a high-traffic environment, it could result in service disruptions that leave users stranded, making it a significant risk!

Put simply

Think of it like a hotel that accidentally locks its front door twice. Guests might get confused and think they can't enter when, in fact, the door is just malfunctioning! This mix-up in libcurl can disrupt operations when resolving connections. CVE-2025-0665 is an issue in libcurl where the same eventfd file descriptor is closed twice during the shutdown of a connection channel following a threaded name resolution. This mismanagement can lead to undefined behavior in the application.

What to do

If exploited, this vulnerability could lead to unexpected behavior in applications relying on libcurl, potentially crashing threads or causing instability. In a high-traffic environment, it could result in service disruptions that leave users stranded, making it a significant risk! To secure your systems, update libcurl to the latest version that addresses this issue. Implement robust error handling to gracefully manage connections and test your applications to ensure they handle closures correctly. Don't wait—act now! You’ve got this! Patch up and keep your systems rolling smoothly! 🛡️

The record
Technical detail
CVSS v3.1
7.0 · HIGH
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H
CVSS v4.0
Not supplied
EPSS
0.01331 · 70.8th percentile
Published
2025-02-05T15:15Z
Affected products (7)
ProductVersionsFixed in
haxx/curlall versions—
netapp/bootstrap_osall versions—
netapp/h300s_firmwareall versions—
netapp/h410c_firmwareall versions—
netapp/h410s_firmwareall versions—
netapp/h500s_firmwareall versions—
netapp/h700s_firmwareall versions—
References (8)
EPSS history
Timeline
  • 05 FEB 09:16Z
    eventfd double close
    cvelistv5