{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-12983","assignerOrgId":"ceab7361-8a18-47b1-92ba-4d7d25f6715a","state":"PUBLISHED","assignerShortName":"GitLab","dateReserved":"2025-11-10T20:34:10.628Z","datePublished":"2025-11-15T08:13:32.098Z","dateUpdated":"2025-11-17T20:17:39.698Z"},"containers":{"cna":{"title":"Memory Allocation with Excessive Size Value in GitLab","descriptions":[{"lang":"en","value":"GitLab has remediated an issue in GitLab CE/EE affecting all versions from 16.9 before 18.3.6, 18.4 before 18.4.4, and 18.5 before 18.5.2 that could have allowed an authenticated attacker to cause a denial of service condition by submitting specially crafted markdown content with nested formatting patterns."}],"affected":[{"vendor":"GitLab","product":"GitLab","repo":"git://git@gitlab.com:gitlab-org/gitlab.git","cpes":["cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*"],"versions":[{"version":"16.9","status":"affected","lessThan":"18.3.6","versionType":"semver"},{"version":"18.4","status":"affected","lessThan":"18.4.4","versionType":"semver"},{"version":"18.5","status":"affected","lessThan":"18.5.2","versionType":"semver"}],"defaultStatus":"unaffected"}],"problemTypes":[{"descriptions":[{"lang":"en","description":"CWE-789: Memory Allocation with Excessive Size Value","cweId":"CWE-789","type":"CWE"}]}],"references":[{"url":"https://about.gitlab.com/releases/2025/11/12/patch-release-gitlab-18-5-2-released/"},{"url":"https://gitlab.com/gitlab-org/gitlab/-/issues/296257","name":"GitLab Issue #296257","tags":["issue-tracking","permissions-required"]},{"url":"https://hackerone.com/reports/3419588","name":"HackerOne Bug Bounty Report #3419588","tags":["technical-description","exploit","permissions-required"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:L","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"LOW","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"LOW","baseScore":3.5,"baseSeverity":"LOW"}}],"solutions":[{"lang":"en","value":"Upgrade to versions 18.3.6, 18.4.4, 18.5.2 or above."}],"credits":[{"lang":"en","value":"This issue was found","type":"finder"}],"providerMetadata":{"orgId":"ceab7361-8a18-47b1-92ba-4d7d25f6715a","shortName":"GitLab","dateUpdated":"2025-11-15T08:13:32.098Z"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-11-17T20:17:26.750315Z","id":"CVE-2025-12983","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2025-11-17T20:17:39.698Z"}}]}}