CVE-2025-0665

Description

A flaw was found in libcurl. This vulnerability allows an attacker to trigger a double-close of an eventfd file descriptor via a connection teardown after a threaded name resolution, potentially leading to undefined behavior or a denial of service.

Statement

No enterprise offerings shipped by Red Hat contains the vulnerable version of the package.

Mitigation

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

Common Vulnerability Scoring System (CVSS) Score Details

Info alert:Important note

CVSS scores for open source components depend on vendor-specific factors (e.g. version or build chain). Therefore, Red Hat's score and impact rating can be different from NVD and other vendors. Red Hat remains the authoritative CVE Naming Authority (CNA) source for its products and services (see Red Hat classifications).

The following CVSS metrics and score provided are preliminary and subject to review.

CVSS v3 Score Breakdown

Red HatNVDcve.org
Base Score4N/A7
Attack VectorLocalN/ANetwork
Attack ComplexityLowN/AHigh
Privileges RequiredNoneN/ANone
User InteractionNoneN/ANone
ScopeUnchangedN/AUnchanged
ConfidentialityNoneN/ALow
Integrity ImpactNoneN/ALow
Availability ImpactLowN/AHigh

Vector

Red Hat: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

cve.org: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H

Understanding the Weakness (CWE)

Availability,Integrity

Technical Impact: DoS: Crash, Exit, or Restart

Frequently Asked Questions

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