{"document":{"category":"csaf_vex","csaf_version":"2.0","title":"CVE-2026-2467: Heap-based Buffer Overflow vulnerability in RTI Connext Professional (Core Libraries) allows Overflow Variables and Tags.","publisher":{"category":"vendor","name":"HarborGuard Database","namespace":"https://database.harborguard.co"},"tracking":{"id":"CVE-2026-2467","status":"final","version":"1","initial_release_date":"2026-06-17T17:17:04.866Z","current_release_date":"2026-06-17T18:03:27.631Z","revision_history":[{"date":"2026-06-17T17:17:04.866Z","number":"1","summary":"Initial machine-readable export from HarborGuard."}]},"distribution":{"tlp":{"label":"WHITE"},"text":"Public CVE data; freely redistributable."},"notes":[{"category":"description","text":"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 7.7.0, from 7.0.0 before 7.3.1.3, from 6.1.0 before 6.1.*, from 6.0.0 before 6.0.*, from 5.3.0 before 5.3.*, from 5.0.0 before 5.2.*.","title":"CVE description"}],"references":[{"category":"self","summary":"CVE-2026-2467 on HarborGuard Database","url":"https://database.harborguard.co/cve/CVE-2026-2467"},{"category":"external","summary":"CVE Record","url":"https://www.cve.org/CVERecord?id=CVE-2026-2467"},{"category":"external","summary":"rti.com","url":"https://www.rti.com/vulnerabilities/#cve-2026-2467"}]},"product_tree":{"branches":[{"category":"vendor","name":"RTI","branches":[{"category":"product_name","name":"Connext Professional","branches":[{"category":"product_version_range","name":">=7.4.0 <7.7.0","product":{"name":"RTI Connext Professional >=7.4.0 <7.7.0","product_id":"CSAFPID-1","product_identification_helper":{"cpe":"cpe:2.3:a:rti:connext_professional:*:*:*:*:*:*:*:*"}}},{"category":"product_version_range","name":">=7.0.0 <7.3.1.3","product":{"name":"RTI Connext Professional >=7.0.0 <7.3.1.3","product_id":"CSAFPID-2","product_identification_helper":{"cpe":"cpe:2.3:a:rti:connext_professional:*:*:*:*:*:*:*:*"}}},{"category":"product_version_range","name":">=6.1.0 <6.1.*","product":{"name":"RTI Connext Professional >=6.1.0 <6.1.*","product_id":"CSAFPID-3","product_identification_helper":{"cpe":"cpe:2.3:a:rti:connext_professional:*:*:*:*:*:*:*:*"}}},{"category":"product_version_range","name":">=6.0.0 <6.0.*","product":{"name":"RTI Connext Professional >=6.0.0 <6.0.*","product_id":"CSAFPID-4","product_identification_helper":{"cpe":"cpe:2.3:a:rti:connext_professional:*:*:*:*:*:*:*:*"}}},{"category":"product_version_range","name":">=5.3.0 <5.3.*","product":{"name":"RTI Connext Professional >=5.3.0 <5.3.*","product_id":"CSAFPID-5","product_identification_helper":{"cpe":"cpe:2.3:a:rti:connext_professional:*:*:*:*:*:*:*:*"}}},{"category":"product_version_range","name":">=5.0.0 <5.2.*","product":{"name":"RTI Connext Professional >=5.0.0 <5.2.*","product_id":"CSAFPID-6","product_identification_helper":{"cpe":"cpe:2.3:a:rti:connext_professional:*:*:*:*:*:*:*:*"}}}]}]}]},"vulnerabilities":[{"cve":"CVE-2026-2467","title":"Heap-based Buffer Overflow vulnerability in RTI Connext Professional (Core Libraries) allows Overflow Variables and Tags.","notes":[{"category":"description","text":"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 7.7.0, from 7.0.0 before 7.3.1.3, from 6.1.0 before 6.1.*, from 6.0.0 before 6.0.*, from 5.3.0 before 5.3.*, from 5.0.0 before 5.2.*.","title":"CVE description"}],"product_status":{"known_affected":["CSAFPID-1","CSAFPID-2","CSAFPID-3","CSAFPID-4","CSAFPID-5","CSAFPID-6"]},"scores":[{"cvss_v4":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:L/SA:H","baseScore":9.2,"baseSeverity":"CRITICAL"},"products":["CSAFPID-1","CSAFPID-2","CSAFPID-3","CSAFPID-4","CSAFPID-5","CSAFPID-6"]}],"remediations":[{"category":"vendor_fix","details":"Update to a fixed version: 5.2.*, 5.3.*, 6.0.*, 6.1.*, 7.3.1.3, 7.7.0.","product_ids":["CSAFPID-1","CSAFPID-2","CSAFPID-3","CSAFPID-4","CSAFPID-5","CSAFPID-6"]}]}]}