CVE-2023-36377

CVE-2023-36377 affects osslsigncode, a signing tool. A Buffer Overflow in osslsigncode v2.3 and earlier can allow local arbitrary code execution when signing crafted files (.exe/.sys/.dll). Multiple Debian LTS advisories document affected package osslsigncode and fixes via upgraded versions: Debi...

CVE-2026-39853

osslsigncode contains a stack buffer overflow in its signature verification paths (PE, MSI, CAB, script) when verifying PKCS#7 signatures. During digest copy from SpcIndirectDataContent into a fixed-size stack buffer (mdbuf[EVP_MAX_MD_SIZE], 64 bytes), the code does not validate the source length...