CVE-2025-14819

5.3 MEDIUM
Published: January 08, 2026 Modified: January 20, 2026
View on NVD

Description

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://curl.se/docs/CVE-2025-14819.html
Source: 2499f714-1537-4658-8207-48ae4bb9eae9
Vendor Advisory Mitigation Patch
https://curl.se/docs/CVE-2025-14819.json
Source: 2499f714-1537-4658-8207-48ae4bb9eae9
Vendor Advisory
http://www.openwall.com/lists/oss-security/2026/01/07/5
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory Mitigation Patch

3 reference(s) from NVD

Quick Stats

CVSS v3 Score
5.3 / 10.0
EPSS (Exploit Probability)
0.0%
14th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

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