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.
References
| Link | Resource |
|---|---|
| https://curl.se/docs/CVE-2025-14819.html | Vendor Advisory Mitigation Patch |
| https://curl.se/docs/CVE-2025-14819.json | Vendor Advisory |
| http://www.openwall.com/lists/oss-security/2026/01/07/5 | Mailing List Third Party Advisory Mitigation Patch |
Configurations
History
20 Jan 2026, 14:51
| Type | Values Removed | Values Added |
|---|---|---|
| CPE | cpe:2.3:a:haxx:curl:*:*:*:*:*:*:*:* | |
| First Time |
Haxx curl
Haxx |
|
| References | () https://curl.se/docs/CVE-2025-14819.html - Vendor Advisory, Mitigation, Patch | |
| References | () https://curl.se/docs/CVE-2025-14819.json - Vendor Advisory | |
| References | () http://www.openwall.com/lists/oss-security/2026/01/07/5 - Mailing List, Third Party Advisory, Mitigation, Patch |
08 Jan 2026, 15:15
| Type | Values Removed | Values Added |
|---|---|---|
| CVSS |
v2 : v3 : |
v2 : unknown
v3 : 5.3 |
| CWE | CWE-295 |
08 Jan 2026, 11:15
| Type | Values Removed | Values Added |
|---|---|---|
| References |
|
08 Jan 2026, 10:15
| Type | Values Removed | Values Added |
|---|---|---|
| New CVE |
Information
Published : 2026-01-08 10:15
Updated : 2026-01-20 14:51
NVD link : CVE-2025-14819
Mitre link : CVE-2025-14819
CVE.ORG link : CVE-2025-14819
JSON object : View
Products Affected
haxx
- curl
CWE
CWE-295
Improper Certificate Validation