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CVE-2025-14017
broken TLS options for threaded LDAPS
Description

When doing multi-threaded LDAPS transfers (LDAP over TLS) with libcurl, changing TLS options in one thread would inadvertently change them globally and therefore possibly also affect other concurrently setup transfers. Disabling certificate verification for a specific transfer could unintentionally disable the feature for other threads as well.

INFO

Published Date :

Jan. 8, 2026, 10:15 a.m.

Last Modified :

Jan. 8, 2026, 6:08 p.m.

Remotely Exploit :

No

Source :

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

The following products are affected by CVE-2025-14017 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 Haxx curl
: Total Affected Vendor : 1 | Products : 1
Solution
Update libcurl to a version that resolves the global TLS option change issue.
  • Update libcurl to the latest stable version.
  • Review and re-apply thread-specific TLS configurations.
  • Test concurrent transfers to ensure isolation.
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-2025-14017.

URL Resource
https://curl.se/docs/CVE-2025-14017.html
https://curl.se/docs/CVE-2025-14017.json
http://www.openwall.com/lists/oss-security/2026/01/07/3
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-14017 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-2025-14017 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).

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

The following list is the news that have been mention CVE-2025-14017 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-2025-14017 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.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Jan. 08, 2026

    Action Type Old Value New Value
    Added Reference http://www.openwall.com/lists/oss-security/2026/01/07/3
  • New CVE Received by 2499f714-1537-4658-8207-48ae4bb9eae9

    Jan. 08, 2026

    Action Type Old Value New Value
    Added Description When doing multi-threaded LDAPS transfers (LDAP over TLS) with libcurl, changing TLS options in one thread would inadvertently change them globally and therefore possibly also affect other concurrently setup transfers. Disabling certificate verification for a specific transfer could unintentionally disable the feature for other threads as well.
    Added Reference https://curl.se/docs/CVE-2025-14017.html
    Added Reference https://curl.se/docs/CVE-2025-14017.json
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
No CVSS metrics available for this vulnerability.