CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HThe GOOSE parser contains an off-by-one boundary-handling flaw that can be triggered by a single unauthenticated Layer-2 multicast frame on the process bus. When specific GOOSE message fields are processed, the parser advances its internal buffer position incorrectly, resulting in a heap out-of-bounds read. On affected platforms, this condition reliably terminates the subscriber process and causes a denial-of-service.
CISA has issued an advisory regarding multiple vulnerabilities in MZ Automation GmbH’s libiec61850 software, specifically version <1.6.2. These vulnerabilities, all related to out-of-bounds reads, can lead to denial-of-s…