CVE-2026-31789
Issue summary: Converting an excessively large OCTET STRING value to a hexadecimal string leads to a heap buffer overflow on 32 bit platforms. Impact summary: A heap buffer overflow may lead to a crash or possibly an attacker controlled code execution or other undefined behavior. If an attacker can supply a crafted X.509 certificate with an excessively large OCTET STRING value in extensions such as the Subject Key Identifier (SKID) or Authority Key Identifier (AKID) which are being converted t
- Vendor
- OpenSSL, Siemens
- Product
- OpenSSL, SIMATIC CN 4100
- Provider severity
- MEDIUM
- Conflicts
- 1