{"id":"CVE-2026-63033","state":"PUBLISHED","title":"MZ Automation lib60870 Out-of-bounds Read","description":"A crafted IEC 60870-5-104 I-frame with a declared object count exceeding\n what fits in the ASDU body causes InformationObject_ParseObjectAddress \nto read one byte past the end of the heap-allocated message buffer.","publishedAt":"2026-07-30T22:54:25.681Z","updatedAt":"2026-07-31T19:23:47.085Z","severity":{"score":6.9,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N","source":"icscert"},"assigner":"icscert","products":["MZ Automation lib60870"],"affected":[{"vendor":"MZ 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Automation recommends users update to version 2.4.1 when available.\nSee MZ Automation advisory for more \ninformation: \n https://github.com/mz-automation/lib60870/security/advisories/GHSA-7v97-jmwv-w5j7","supportingMedia":[{"type":"text/html","base64":false,"value":"<p>MZ Automation recommends users update to version 2.4.1 when available.<br>See MZ Automation advisory for more \ninformation:&nbsp;<br><a href=\"https://github.com/mz-automation/lib60870/security/advisories/GHSA-7v97-jmwv-w5j7\">https://github.com/mz-automation/lib60870/security/advisories/GHSA-7v97-jmwv-w5j7</a></p>"}]}],"credits":[{"lang":"en","value":"arun babu puthuparambil of Central Power Research Institute, Bengaluru, India reported this vulnerability to CISA.","type":"finder"}],"source":{"advisory":"ICSA-26-211-11","discovery":"EXTERNAL"},"x_generator":{"engine":"Vulnogram 1.0.4"}},"adp":[{"title":"CISA ADP 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