cURL up to 8.17.0 OpenSSL access control

CVSS Meta Temp Score
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CTI Interest Score
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5.4$0-$5k0.00

Summaryinfo

A vulnerability was found in cURL up to 8.17.0 and classified as critical. This issue affects some unknown processing of the component OpenSSL. The manipulation results in access control. This vulnerability is reported as CVE-2025-14819. The attack can be launched remotely. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in cURL up to 8.17.0. It has been classified as critical. Affected is an unknown code of the component OpenSSL. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

When doing TLS related transfers with reused easy or multi handles and altering the `CURLSSLOPT_NO_PARTIALCHAIN` option, libcurl could accidentally reuse a CA store cached in memory for which the partial chain option was reversed. Contrary to the user's wishes and expectations. This could make libcurl find and accept a trust chain that it otherwise would not.

The advisory is available at seclists.org. This vulnerability is traded as CVE-2025-14819. The exploitability is told to be difficult. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

The vulnerability scanner Nessus provides a plugin with the ID 282311 (Linux Distros Unpatched Vulnerability : CVE-2025-14819), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 8.18.0 eliminates this vulnerability. The upgrade is hosted for download at curl.se. Applying the patch cd046f6c93b39d673a58c1864 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the databases at Tenable (282311) and CERT Bund (WID-SEC-2026-0030). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Affected

  • Amazon Linux 2
  • Fedora Linux
  • Ubuntu Linux
  • SUSE Linux
  • SUSE openSUSE
  • NetApp ActiveIQ Unified Manager
  • NetApp Data ONTAP
  • Open Source cURL
  • Tenable Security Nessus Network Monitor
  • Meinberg LANTIME
  • Open Source Notepad++
  • IBM AIX

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.6
VulDB Meta Temp Score: 5.4

VulDB Base Score: 5.6
VulDB Temp Score: 5.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 282311
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2025-14819

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: cURL 8.18.0
Patch: cd046f6c93b39d673a58c1864

Timelineinfo

01/07/2026 Advisory disclosed
01/07/2026 +0 days VulDB entry created
05/03/2026 +115 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: seclists.org
Status: Confirmed
Confirmation: 🔒

CVE: CVE-2025-14819 (🔒)
GCVE (CVE): GCVE-0-2025-14819
GCVE (VulDB): GCVE-100-339882
CERT Bund: WID-SEC-2026-0030 - cURL: Mehrere Schwachstellen

Entryinfo

Created: 01/07/2026 13:16
Updated: 05/03/2026 01:50
Changes: 01/07/2026 13:16 (56), 01/08/2026 09:52 (2), 01/09/2026 12:54 (1), 01/09/2026 22:09 (7), 01/20/2026 12:54 (1), 02/13/2026 16:39 (1), 05/03/2026 01:50 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Discussion

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