JLSEC-2026-429 When doing TLS related transfers with reused easy or multi handles and altering the...

When doing TLS related transfers with reused easy or multi handles and altering the CURLSSLOPTNOPARTIALCHAIN 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 libcur...

CVE-2025-14819

When doing TLS related transfers with reused easy or multi handles and altering the CURLSSLOPTNOPARTIALCHAIN 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 libcur...

Improper Certificate Validation

Overview Affected versions of this package are vulnerable to Improper Certificate Validation in the handling of TLS transfers when reusing easy or multi handles and modifying the CURLSSLOPTNOPARTIALCHAIN option. An attacker can cause the application to accept an unintended trust chain by exploiti...

CVE-2025-14819

The libcurl library is vulnerable to an OpenSSL partial chain store policy bypass (CVE-2025-14819). When performing TLS transfers using reused easy or multi-handles while altering the CURLSSLOPT_NO_PARTIALCHAIN option, libcurl may incorrectly reuse a CA store cached in memory where the partial ch...

CVE-2025-14819

When doing TLS related transfers with reused easy or multi handles and altering the CURLSSLOPTNOPARTIALCHAIN 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 libcur...