CVE-2025-14819
When doing TLS related transfers with reused easy or multi handles and altering the option, libcurl could accidentally reuse a CA store cached in memory for which the…
Published Jan 8, 2026 · updated Oct 14, 2026 · haxx curl
When doing TLS related transfers with reused easy or multi handles and altering the 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.
Timeline
Detection, updates, and resolution for this record.
Jan 8, 2026 · NIST NVD
Detected
When doing TLS related transfers with reused easy or multi handles and altering the 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.
Oct 14, 2026 · NIST NVD
Updated
When doing TLS related transfers with reused easy or multi handles and altering the 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.
Affected
- cpe haxx/curlversion unspecified
Sources
- CVE.orgCVE-2025-14819
Official CVE identifier
cve.org - FIRST EPSSCVE-2025-14819
30-day exploitation probability 0.8%
first.org - NIST NVDCVE-2025-14819
When doing TLS related transfers with reused easy or multi handles and altering the 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. T
nvd.nist.gov