{"id":"CVE-2025-1252","title":"Heap-based Buffer Overflow vulnerability in RTI Connext Professional (Core Libraries) allows Overflow Variables and Tags","summary":"Heap-based Buffer Overflow vulnerability in RTI Connext Professional (Core Libraries) allows Overflow Variables and Tags. This issue affects Connext Professional: from 7.4.0 before 7.5.0, from 7.0.0 before 7.3.0.7, from 6.1.0 before 6.1.…","severity":"high","cvss":7.1,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","cwe":["CWE-122","CWE-787"],"vendor":"rti","product":"connext_professional","affected":["connext_professional >= 4.4, <= 5.2.3","connext_professional >= 5.3.0, <= 5.3.1.45","connext_professional >= 6.0.0, <= 6.0.1.40","connext_professional >= 6.1.0, < 6.1.2.23","connext_professional >= 7.0.0, < 7.3.0.7","connext_professional >= 7.4.0, < 7.5.0"],"patched":["connext_professional 7.5.0"],"published":"2025-05-08","updated":"2026-09-22","sourceUpdated":"2026-09-22T18:17:09.277","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-1252","references":[{"url":"https://www.rti.com/vulnerabilities/#cve-2025-1252","label":"3f572a00-62e2-4423-959a-7ea25eff1638"}],"tags":["nvd","cve.org"],"epss":0.00154,"epssPercentile":0.04981,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2025-05-08T14:05:57.235012Z"},"scores":{"nvd":7.1,"cna":6.9},"ingestedAt":"2026-09-22T18:08:12.498Z","slug":"CVE-2025-1252","body":"## Overview\n\nHeap-based Buffer Overflow vulnerability in RTI Connext Professional (Core Libraries) allows Overflow Variables and Tags. This issue affects Connext Professional: from 7.4.0 before 7.5.0, from 7.0.0 before 7.3.0.7, from 6.1.0 before 6.1.2.23, from 6.0.0 before 6.0.1.42, from 5.3.0 before 5.3.*, from 5.2.0 before 5.2.*, from 4.4d before 5.1.*.\n\n## Affected\n\n- `connext_professional >= 4.4, <= 5.2.3`\n- `connext_professional >= 5.3.0, <= 5.3.1.45`\n- `connext_professional >= 6.0.0, <= 6.0.1.40`\n- `connext_professional >= 6.1.0, < 6.1.2.23`\n- `connext_professional >= 7.0.0, < 7.3.0.7`\n- `connext_professional >= 7.4.0, < 7.5.0`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `connext_professional 7.5.0`","depth":"twilight","depthScore":39,"depthScoreParts":{"impact":39.1,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":209280,"id":"CVE-2025-1252","ts":1790104185583,"field":"cvss","old":"6.9","new":"7.1"},{"seq":209279,"id":"CVE-2025-1252","ts":1790104185583,"field":"severity","old":"medium","new":"high"}]}