wolfssl:cryptofuzz-sp-math-all-8bit: Use-of-uninitialized-value in sp_exptmod_ex

Project: https://github.com/wolfssl/wolfssl.git Detailed Report: https://oss-fuzz.com/testcase?key=6451249854873600 Project: wolfssl Fuzzing Engine: libFuzzer Fuzz Target: cryptofuzz-sp-math-all-8bit Job Type: libfuzzermsanwolfssl Platform Id: linux Crash Type: Use-of-uninitialized-value Crash...

Heap-based Buffer Overflow

Overview Affected versions of this package are vulnerable to Heap-based Buffer Overflow in the wceccimportx963ex function when handling EC public key points in the KCAPI ECC code path. An attacker can cause memory corruption and potentially execute arbitrary code by sending a crafted oversized EC...

CVE-2026-4395 Heap-based buffer overflow in wc_ecc_import_x963_ex KCAPI path

Heap-based buffer overflow in the KCAPI ECC code path of wceccimportx963ex in wolfSSL wolfcrypt allows a remote attacker to write attacker-controlled data past the bounds of the pubkeyraw buffer via a crafted oversized EC public key point. The WOLFSSLKCAPIECC code path copies the input to...