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9.8
CRITICAL CVSS 3.1
CVE-2025-0665
libcurl Eventfd File Descriptor 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.

INFO

Published Date :

Feb. 5, 2025, 10:15 a.m.

Last Modified :

July 30, 2025, 7:41 p.m.

Remotely Exploit :

Yes !

Source :

2499f714-1537-4658-8207-48ae4bb9eae9
Affected Products

The following products are affected by CVE-2025-0665 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Netapp h410c_firmware
2 Netapp h300s_firmware
3 Netapp h500s_firmware
4 Netapp h700s_firmware
5 Netapp h410s_firmware
6 Netapp bootstrap_os
7 Netapp hci_compute_node
8 Netapp h300s
9 Netapp h410s
10 Netapp h500s
11 Netapp h700s
12 Netapp h410c
1 Haxx curl
: Total Affected Vendor : 2 | Products : 13
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 CRITICAL 134c704f-9b21-4f2e-91b3-4a467353bcc0
Solution
This vulnerability involves a double-close of an eventfd file descriptor in libcurl, and can be remediated by updating the affected package.
  • Upgrade the libcurl package to version 8.12.0 or later.
  • Apply the available patch.
Public PoC/Exploit Available at Github

CVE-2025-0665 has a 1 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2025-0665.

URL Resource
https://curl.se/docs/CVE-2025-0665.html Vendor Advisory
https://curl.se/docs/CVE-2025-0665.json Vendor Advisory
https://hackerone.com/reports/2954286 Exploit Issue Tracking Third Party Advisory
http://www.openwall.com/lists/oss-security/2025/02/05/2 Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2025/02/05/5 Mailing List Third Party Advisory
https://security.netapp.com/advisory/ntap-20250306-0007/ Third Party Advisory
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-0665 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2025-0665 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Profile Photo
ghostbyt3/patch-tuesday

Python script that fetches, analyzes, and reports Microsoft Patch Tuesday updates via the MSRC API — with a clean web interface for easy viewing.

Python

Updated: 4 days, 13 hours ago
18 stars 1 fork 1 watcher
Born at : July 4, 2025, 11:29 a.m. This repo has been linked 52 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2025-0665 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2025-0665 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Initial Analysis by [email protected]

    Jul. 30, 2025

    Action Type Old Value New Value
    Added CPE Configuration OR *cpe:2.3:a:haxx:curl:8.11.1:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netapp:bootstrap_os:-:*:*:*:*:*:*:* OR cpe:2.3:h:netapp:hci_compute_node:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:netapp:h300s:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netapp:h410c_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:netapp:h410c:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:netapp:h410s:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:netapp:h500s:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:netapp:h700s:-:*:*:*:*:*:*:*
    Added Reference Type CVE: http://www.openwall.com/lists/oss-security/2025/02/05/2 Types: Mailing List, Third Party Advisory
    Added Reference Type CVE: http://www.openwall.com/lists/oss-security/2025/02/05/5 Types: Mailing List, Third Party Advisory
    Added Reference Type curl: https://curl.se/docs/CVE-2025-0665.html Types: Vendor Advisory
    Added Reference Type curl: https://curl.se/docs/CVE-2025-0665.json Types: Vendor Advisory
    Added Reference Type curl: https://hackerone.com/reports/2954286 Types: Exploit, Issue Tracking, Third Party Advisory
    Added Reference Type CVE: https://security.netapp.com/advisory/ntap-20250306-0007/ Types: Third Party Advisory
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Mar. 18, 2025

    Action Type Old Value New Value
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Added CWE CWE-1341
  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Mar. 07, 2025

    Action Type Old Value New Value
    Added Reference https://security.netapp.com/advisory/ntap-20250306-0007/
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Feb. 18, 2025

    Action Type Old Value New Value
    Removed CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Removed CWE CWE-1341
  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Feb. 05, 2025

    Action Type Old Value New Value
    Added Reference http://www.openwall.com/lists/oss-security/2025/02/05/5
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Feb. 05, 2025

    Action Type Old Value New Value
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Added CWE CWE-1341
  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Feb. 05, 2025

    Action Type Old Value New Value
    Added Reference http://www.openwall.com/lists/oss-security/2025/02/05/2
  • New CVE Received by 2499f714-1537-4658-8207-48ae4bb9eae9

    Feb. 05, 2025

    Action Type Old Value New Value
    Added Description libcurl would wrongly close the same eventfd file descriptor twice when taking down a connection channel after having completed a threaded name resolve.
    Added Reference https://curl.se/docs/CVE-2025-0665.html
    Added Reference https://curl.se/docs/CVE-2025-0665.json
    Added Reference https://hackerone.com/reports/2954286
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 9.8
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact