{"id":"CVE-2026-67865","aliases":["EUVD-2026-53672","GHSA-pq6j-99w5-mgfp"],"status":"published","title":"S2OPC 1.7.3 contains an out-of-bounds read in RepublishResponse handling. This allows a remote...","description":"S2OPC 1.7.3 contains an out-of-bounds read in RepublishResponse handling. This allows a remote attacker to cause a denial of service","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-10","score":0.00759,"percentile":0.55562,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-125"],"published":"2026-08-05T00:00:00Z","modified":"2026-09-09T16:04:24Z","references":[{"url":"https://gitlab.com/systerel/S2OPC/-/work_items/1785","tags":["exploit"]},{"url":"https://github.com/systerel/S2OPC/blob/S2OPC_Toolkit_1.7.3/src/ClientServer/services/b2c/msg_subscription_publish_bs.c"},{"url":"https://github.com/systerel/S2OPC/blob/S2OPC_Toolkit_1.7.3/src/ClientServer/services/b2c/msg_subscription_publish_ack_bs.c"},{"url":"https://github.com/systerel/S2OPC/blob/S2OPC_Toolkit_1.7.3/src/Common/opcua_types/sopc_encoder.c"},{"url":"https://github.com/systerel/S2OPC/blob/S2OPC_Toolkit_1.7.3/tests/ClientServer/CMakeLists.txt"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-67865"},{"url":"https://github.com/advisories/GHSA-pq6j-99w5-mgfp"}],"sources":{"cve":[{"id":"CVE-2026-67865","description":"S2OPC 1.7.3 contains an out-of-bounds read in RepublishResponse handling. This allows a remote attacker to cause a denial of service","status":"published","published":"2026-08-05T00:00:00Z","modified":"2026-08-06T12:56:41.322Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:20:06.562031Z"}],"euvd":[{"id":"EUVD-2026-53672","description":"S2OPC 1.7.3 contains an out-of-bounds read in RepublishResponse handling. This allows a remote attacker to cause a denial of service","status":"published","published":"2026-08-05T00:00:00Z","modified":"2026-08-06T12:56:41Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T18:02:09.043832Z"}],"ghsa":[{"id":"GHSA-pq6j-99w5-mgfp","title":"S2OPC 1.7.3 contains an out-of-bounds read in RepublishResponse handling. This allows a remote...","description":"S2OPC 1.7.3 contains an out-of-bounds read in RepublishResponse handling. This allows a remote attacker to cause a denial of service","status":"published","published":"2026-08-06T00:31:27Z","modified":"2026-08-06T15:32:37Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T15:10:09.171432Z"}],"nvd":[{"id":"CVE-2026-67865","description":"S2OPC 1.7.3 contains an out-of-bounds read in RepublishResponse handling. This allows a remote attacker to cause a denial of service","status":"published","published":"2026-08-05T22:17:07.797Z","modified":"2026-09-09T16:04:24.933Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:12:35.031043Z"}]}}