Unspecified vulnerability in the XML Digital Signature verification functionality in JVA-RUN in JDK 6.0 in IBM OS/400 i5/OS V5R4M0 and V6R1M0 has unknown impact and attack vectors related to "XML SECURITY PATCH."

Buffer overflow in the BrSmRcvAndCheck function in the RCHMGR module on IBM OS/400 V5R4M0, V5R4M5, and V6R1M0 allows local users to cause a denial of service (task halt and main storage dump) via unspecified vectors involving the running of diagnostics on a modem port. NOTE: there might be limited attack scenarios.