CVE-2026-45271 | h2o picotls Minicrypto Backend ptls_minicrypto_load_private_key stack-based overflow

A vulnerability categorized as problematic has been discovered in h2o picotls. Impacted is the function ptls_minicrypto_load_private_key of the component Minicrypto Backend. Executing a manipulation can lead to stack-based buffer overflow.

The identification of this vulnerability is CVE-2026-45271. The attack can only be executed locally. There is no exploit available.

A patch should be applied to remediate this issue.VulDB Recent EntriesRead More