python-ecdsa: Denial of Service via improper DER length validation in crafted private keys

SummaryAn issue in the low-level DER parsing functions can cause unexpected exceptions to be raised from the public API functions.1. ecdsa.der.removeoctetstring accepts truncated DER where the encoded length exceeds the available buffer. For example, an OCTET STRING that declares a length of 4096...

PT-2026-59134

Summary An issue in the low-level DER parsing functions can cause unexpected exceptions to be raised from the public API functions. 1. ecdsa.der.remove octet string accepts truncated DER where the encoded length exceeds the available buffer. For example, an OCTET STRING that declares a length of...