libcurl double-close eventfd FD on connection teardown
CVE-2025-0665 Published on February 5, 2025

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

NVD

Vulnerability Analysis

CVE-2025-0665 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be critical as this vulnerability has a high impact to the confidentiality, integrity and availability of this component.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH

Weakness Type

CWE-1341

Products Associated with CVE-2025-0665

You can be notified by email with stack.watch whenever vulnerabilities like CVE-2025-0665 are published in Haxx Curl:

 

Affected Versions

curl:

Exploit Probability

EPSS
14.02%
Percentile
94.07%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.