{"id":"CVE-2026-75349","title":"EIPStackGroup OpENer v2.3.0/master up to commit 76b95cf contains an out-of-bounds read vulnerability in Connection Manager request parsing","summary":"EIPStackGroup OpENer v2.3.0/master up to commit 76b95cf contains an out-of-bounds read vulnerability in Connection Manager request parsing. This allows a remote attacker to cause a denial of service.","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-400"],"vendor":"Red Hat","published":"2026-10-09","updated":"2026-10-14","sourceUpdated":"2026-10-14T02:16:59.960","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-75349","references":[{"url":"https://github.com/EIPStackGroup/OpENer","label":"cve@mitre.org"},{"url":"https://github.com/EIPStackGroup/OpENer/blob/76b95cf/source/src/cip/cipconnectionmanager.c","label":"cve@mitre.org"},{"url":"https://github.com/EIPStackGroup/OpENer/blob/76b95cf/source/src/cip/cipmessagerouter.c","label":"cve@mitre.org"},{"url":"https://github.com/EIPStackGroup/OpENer/blob/76b95cf/source/src/enet_encap/cpf.c","label":"cve@mitre.org"},{"url":"https://github.com/EIPStackGroup/OpENer/blob/76b95cf/source/src/enet_encap/encap.c","label":"cve@mitre.org"},{"url":"https://github.com/EIPStackGroup/OpENer/issues/577","label":"cve@mitre.org"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-75349.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-75349"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-75349"}],"tags":["nvd","csaf","vex","red-hat","cve.org"],"epss":0.00453,"epssPercentile":0.39167,"ingestedAt":"2026-10-09T17:04:42.812Z","ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-14T01:37:21.838358Z"},"slug":"CVE-2026-75349","body":"## Overview\n\nEIPStackGroup OpENer v2.3.0/master up to commit 76b95cf contains an out-of-bounds read vulnerability in Connection Manager request parsing. This allows a remote attacker to cause a denial of service.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Vendor advisories\n\n- **Red Hat VEX** · updated 2026-10-09 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-75349.json)","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":41.3,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}