{"id":"CVE-2026-52486","title":"An issue in OpenDDS 3.33.x allows a local attacker to cause a denial of service via the verify function in the SIgnedDocument module","summary":"An issue in OpenDDS 3.33.x allows a local attacker to cause a denial of service via the verify function in the SIgnedDocument module","severity":"medium","cvss":6.6,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H","cwe":["CWE-347"],"published":"2026-09-08","updated":"2026-09-09","sourceUpdated":"2026-09-09T19:17:28.233","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-52486","references":[{"url":"https://gist.github.com/lkloliver/31a58b0b613a5f4d82dd183b353bbdf2","label":"cve@mitre.org"},{"url":"https://github.com/OpenDDS/OpenDDS/tree/master/dds/DCPS/security/SSL/SignedDocument.cpp","label":"cve@mitre.org"},{"url":"https://gist.github.com/lkloliver/31a58b0b613a5f4d82dd183b353bbdf2","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"tags":["nvd","cve.org","exploit-available"],"exploitAvailable":true,"ssvc":{"exploitation":"poc","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-09T18:43:05.849904Z"},"epss":0.00071,"epssPercentile":0.00057,"ingestedAt":"2026-09-08T21:11:12.314Z","slug":"CVE-2026-52486","body":"## Overview\n\nAn issue in OpenDDS 3.33.x allows a local attacker to cause a denial of service via the verify function in the SIgnedDocument module\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":48,"depthScoreParts":{"impact":36.3,"likelihood":0,"exploitation":12,"ransomware":0},"changes":[{"seq":201741,"id":"CVE-2026-52486","ts":1789399664549,"field":"exploit_available","old":"false","new":"true"},{"seq":201740,"id":"CVE-2026-52486","ts":1789399664549,"field":"cvss","old":null,"new":"6.6"},{"seq":201739,"id":"CVE-2026-52486","ts":1789399664549,"field":"severity","old":"none","new":"medium"},{"seq":200471,"id":"CVE-2026-52486","ts":1789397301966,"field":"exploit_available","old":"true","new":"false"},{"seq":200470,"id":"CVE-2026-52486","ts":1789397301966,"field":"cvss","old":"6.6","new":null},{"seq":200469,"id":"CVE-2026-52486","ts":1789397301966,"field":"severity","old":"medium","new":"none"},{"seq":198388,"id":"CVE-2026-52486","ts":1789391884900,"field":"exploit_available","old":"false","new":"true"},{"seq":198387,"id":"CVE-2026-52486","ts":1789391884900,"field":"cvss","old":null,"new":"6.6"},{"seq":198386,"id":"CVE-2026-52486","ts":1789391884900,"field":"severity","old":"none","new":"medium"},{"seq":196184,"id":"CVE-2026-52486","ts":1789383532347,"field":"exploit_available","old":"true","new":"false"},{"seq":196183,"id":"CVE-2026-52486","ts":1789383532347,"field":"cvss","old":"6.6","new":null},{"seq":196182,"id":"CVE-2026-52486","ts":1789383532347,"field":"severity","old":"medium","new":"none"},{"seq":195113,"id":"CVE-2026-52486","ts":1789380415800,"field":"exploit_available","old":"false","new":"true"},{"seq":195112,"id":"CVE-2026-52486","ts":1789380415800,"field":"cvss","old":null,"new":"6.6"},{"seq":195111,"id":"CVE-2026-52486","ts":1789380415800,"field":"severity","old":"none","new":"medium"},{"seq":193900,"id":"CVE-2026-52486","ts":1789378412381,"field":"exploit_available","old":"true","new":"false"},{"seq":193899,"id":"CVE-2026-52486","ts":1789378412381,"field":"cvss","old":"6.6","new":null},{"seq":193898,"id":"CVE-2026-52486","ts":1789378412381,"field":"severity","old":"medium","new":"none"},{"seq":192687,"id":"CVE-2026-52486","ts":1789376365729,"field":"exploit_available","old":"false","new":"true"},{"seq":192686,"id":"CVE-2026-52486","ts":1789376365729,"field":"cvss","old":null,"new":"6.6"},{"seq":192685,"id":"CVE-2026-52486","ts":1789376365729,"field":"severity","old":"none","new":"medium"},{"seq":191474,"id":"CVE-2026-52486","ts":1789373318355,"field":"exploit_available","old":"true","new":"false"},{"seq":191473,"id":"CVE-2026-52486","ts":1789373318355,"field":"cvss","old":"6.6","new":null},{"seq":191472,"id":"CVE-2026-52486","ts":1789373318355,"field":"severity","old":"medium","new":"none"},{"seq":190259,"id":"CVE-2026-52486","ts":1789369251889,"field":"exploit_available","old":"false","new":"true"},{"seq":190258,"id":"CVE-2026-52486","ts":1789369251889,"field":"cvss","old":null,"new":"6.6"},{"seq":190257,"id":"CVE-2026-52486","ts":1789369251889,"field":"severity","old":"none","new":"medium"},{"seq":189046,"id":"CVE-2026-52486","ts":1789368196867,"field":"exploit_available","old":"true","new":"false"},{"seq":189045,"id":"CVE-2026-52486","ts":1789368196867,"field":"cvss","old":"6.6","new":null},{"seq":189044,"id":"CVE-2026-52486","ts":1789368196867,"field":"severity","old":"medium","new":"none"},{"seq":187829,"id":"CVE-2026-52486","ts":1789365110097,"field":"exploit_available","old":"false","new":"true"},{"seq":187828,"id":"CVE-2026-52486","ts":1789365110097,"field":"cvss","old":null,"new":"6.6"},{"seq":187827,"id":"CVE-2026-52486","ts":1789365110097,"field":"severity","old":"none","new":"medium"},{"seq":186616,"id":"CVE-2026-52486","ts":1789363186220,"field":"exploit_available","old":"true","new":"false"},{"seq":186615,"id":"CVE-2026-52486","ts":1789363186220,"field":"cvss","old":"6.6","new":null},{"seq":186614,"id":"CVE-2026-52486","ts":1789363186220,"field":"severity","old":"medium","new":"none"},{"seq":185402,"id":"CVE-2026-52486","ts":1789361058804,"field":"exploit_available","old":"false","new":"true"},{"seq":185401,"id":"CVE-2026-52486","ts":1789361058804,"field":"cvss","old":null,"new":"6.6"},{"seq":185400,"id":"CVE-2026-52486","ts":1789361058804,"field":"severity","old":"none","new":"medium"},{"seq":184189,"id":"CVE-2026-52486","ts":1789358068920,"field":"exploit_available","old":"true","new":"false"},{"seq":184188,"id":"CVE-2026-52486","ts":1789358068920,"field":"cvss","old":"6.6","new":null},{"seq":184187,"id":"CVE-2026-52486","ts":1789358068920,"field":"severity","old":"medium","new":"none"},{"seq":182440,"id":"CVE-2026-52486","ts":1789354188271,"field":"exploit_available","old":"false","new":"true"},{"seq":182439,"id":"CVE-2026-52486","ts":1789354188271,"field":"cvss","old":null,"new":"6.6"},{"seq":182438,"id":"CVE-2026-52486","ts":1789354188271,"field":"severity","old":"none","new":"medium"},{"seq":181233,"id":"CVE-2026-52486","ts":1789353052583,"field":"exploit_available","old":"true","new":"false"},{"seq":181232,"id":"CVE-2026-52486","ts":1789353052583,"field":"cvss","old":"6.6","new":null},{"seq":181231,"id":"CVE-2026-52486","t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