{"id":"GHSA-68fv-2mgg-jv7q","revision":null,"records":[{"revision":"dfe6941160bd4c5b9ce91cf9a50ba65b","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-93749","aliases":[],"title":"source-map-js through 1.2.1 Event Loop Denial of Service","description":"source-map-js through 1.2.1 fails to validate the per-section offset line value in indexed source maps, allowing attackers to specify arbitrary numeric values. 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Attackers can supply extremely large offset line values that cause synchronous e…","description":"source-map-js through 1.2.1 fails to validate the per-section offset line value in indexed source maps, allowing attackers to specify arbitrary numeric values. Attackers can supply extremely large offset line values that cause synchronous event loop blocking for extended periods, preventing the service from handling other requests.","state":0,"publishedAt":null,"modifiedAt":null,"affected":[],"metrics":[{"system":"EUVD CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","score":8.7,"severity":null}],"references":["https://github.com/7rulnik/source-map-js/issues/76","https://github.com/7rulnik/source-map-js","https://github.com/7rulnik/source-map-js/blob/c1cd8904bb7bd0c7fb5879fcda48134d82a27934/lib/source-node.js#L115-L118","https://www.vulncheck.com/advisories/source-map-js-through-1.2.1-event-loop-denial-of-service"],"sourceUrl":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-83254","license":"ENISA EUVD · source terms and attribution apply","enrichment":{"sourceStatus":null,"weaknesses":[],"productCriteria":[],"sourceDates":{"datePublished":"Sep 18, 2026, 5:51:34 PM","dateUpdated":"Sep 24, 2026, 2:23:08 PM"},"relatedAdvisories":[{"id":"RHSA-2026:91967","title":"Red Hat Security Advisory: A Subscription Management tool for finding and reporting Red Hat product usage","vulnerabilityIds":["CVE-2026-33245","CVE-2026-93749","CVE-2026-102276","CVE-2026-102278","CVE-2026-102422","CVE-2026-104861","CVE-2026-111064","CVE-2026-111066"]},{"id":"RHSA-2026:87410","title":"Red Hat Security Advisory: RHOAI 2.25.12 - Red Hat OpenShift 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Hat Security Advisory: Red Hat Developer Hub 1.10.6 release.","vulnerabilityIds":["CVE-2026-84782","CVE-2026-90711","CVE-2026-93748","CVE-2026-93749","CVE-2026-101916"]},{"id":"RHSA-2026:79357","title":"Red Hat Security Advisory: Red Hat Cost Management On-Premise container image 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Security Advisory: Migration Toolkit for Containers (MTC) 1.8.18 security and bug fix update","vulnerabilityIds":["CVE-2026-33186","CVE-2026-59879","CVE-2026-69153","CVE-2026-84445","CVE-2026-87776","CVE-2026-88031","CVE-2026-90711","CVE-2026-92599","CVE-2026-93749"]},{"id":"msrc_CVE-2026-93749","title":"source-map-js through 1.2.1 Event Loop Denial of Service","vulnerabilityIds":["CVE-2026-93749"]},{"id":"RHSA-2026:90321","title":"Red Hat Security Advisory: Red Hat OpenShift Dev Spaces 3.31.0 Release.","vulnerabilityIds":["CVE-2023-54404","CVE-2025-62718","CVE-2026-8643","CVE-2026-9496","CVE-2026-12185","CVE-2026-13697","CVE-2026-14682","CVE-2026-15076","CVE-2026-16308","CVE-2026-17106","CVE-2026-18427","CVE-2026-19203","CVE-2026-19534","CVE-2026-39820","CVE-2026-41178","CVE-2026-41707","CVE-2026-42499","CVE-2026-42502","CVE-2026-45416","CVE-2026-47884","CVE-2026-47886","CVE-2026-47888","CVE-2026-47890","CVE-2026-47892","CVE-2026-50010","CVE-2026-55831","CVE-2026-55833","CVE-2026-55851","CVE-2026-56745","CVE-2026-56746","CVE-2026-56819","CVE-2026-56852","CVE-2026-56854","CVE-2026-58062","CVE-2026-59280","CVE-2026-59282","CVE-2026-59283","CVE-2026-59296","CVE-2026-59313","CVE-2026-59323","CVE-2026-59651","CVE-2026-59887","CVE-2026-59899","CVE-2026-59901","CVE-2026-62243","CVE-2026-64607","CVE-2026-67213","CVE-2026-67312","CVE-2026-67313","CVE-2026-67314","CVE-2026-67320","CVE-2026-67321","CVE-2026-68494","CVE-2026-68497","CVE-2026-69152","CVE-2026-69192","CVE-2026-71290","CVE-2026-71324","CVE-2026-71325","CVE-2026-71327","CVE-2026-73500","CVE-2026-73508","CVE-2026-74835","CVE-2026-75838","CVE-2026-75899","CVE-2026-75931","CVE-2026-76169","CVE-2026-81521","CVE-2026-82417","CVE-2026-82562","CVE-2026-84292","CVE-2026-84375","CVE-2026-84394","CVE-2026-84428","CVE-2026-84445","CVE-2026-84469","CVE-2026-84504","CVE-2026-84961","CVE-2026-85062","CVE-2026-85124","CVE-2026-85152","CVE-2026-85595","CVE-2026-85597","CVE-2026-86063","CVE-2026-87743","CVE-2026-88004","CVE-2026-88007","CVE-2026-88008","CVE-2026-88009","CVE-2026-88011","CVE-2026-88012","CVE-2026-88031","CVE-2026-88878","CVE-2026-88879","CVE-2026-90711","CVE-2026-93749","CVE-2026-100655","CVE-2026-100656","CVE-2026-100666","CVE-2026-101916","CVE-2026-102925","CVE-2026-102930","CVE-2026-103435","CVE-2026-109618","CVE-2026-109619"]},{"id":"RHSA-2026:86891","title":"Red Hat Security Advisory: RHOAI 3.5.2 - Red Hat OpenShift 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Hat Security Advisory: Ansible plug-ins for Red Hat Developer Hub Product Release Update","vulnerabilityIds":["CVE-2026-77037","CVE-2026-77301","CVE-2026-82333","CVE-2026-90711","CVE-2026-92955","CVE-2026-93749","CVE-2026-102282","CVE-2026-102990","CVE-2026-106501","CVE-2026-106503"]},{"id":"RHSA-2026:92136","title":"Red Hat Security Advisory: A Subscription Management tool for finding and reporting Red Hat product usage","vulnerabilityIds":["CVE-2026-33245","CVE-2026-93749","CVE-2026-102276","CVE-2026-102278","CVE-2026-102422","CVE-2026-104861","CVE-2026-111064","CVE-2026-111066"]},{"id":"RHSA-2026:92510","title":"Red Hat Security Advisory: RHOAI 3.4.6 - Red Hat OpenShift AI","vulnerabilityIds":["CVE-2023-54404","CVE-2026-11822","CVE-2026-11824","CVE-2026-13717","CVE-2026-16221","CVE-2026-17106","CVE-2026-18446","CVE-2026-25681","CVE-2026-26007","CVE-2026-27136","CVE-2026-33814","CVE-2026-33818","CVE-2026-39821","CVE-2026-39834","CVE-2026-41178","CVE-2026-42502","CVE-2026-45819","CVE-2026-45820","CVE-2026-56853","CVE-2026-56858","CVE-2026-56859","CVE-2026-56860","CVE-2026-56862","CVE-2026-57516","CVE-2026-59951","CVE-2026-63209","CVE-2026-63374","CVE-2026-65898","CVE-2026-67312","CVE-2026-67314","CVE-2026-67320","CVE-2026-67321","CVE-2026-69097","CVE-2026-69153","CVE-2026-73086","CVE-2026-73088","CVE-2026-73089","CVE-2026-73643","CVE-2026-75838","CVE-2026-75899","CVE-2026-75931","CVE-2026-75975","CVE-2026-76172","CVE-2026-76844","CVE-2026-77301","CVE-2026-78679","CVE-2026-82397","CVE-2026-83663","CVE-2026-84375","CVE-2026-84445","CVE-2026-85393","CVE-2026-85525","CVE-2026-87018","CVE-2026-90711","CVE-2026-91990","CVE-2026-92599","CVE-2026-93690","CVE-2026-93749","CVE-2026-94637","CVE-2026-96640","CVE-2026-96643","CVE-2026-96644","CVE-2026-96778","CVE-2026-96804","CVE-2026-97687","CVE-2026-97689","CVE-2026-102267","CVE-2026-102271","CVE-2026-102272","CVE-2026-102276","CVE-2026-102278","CVE-2026-102282","CVE-2026-104150","CVE-2026-104851","CVE-2026-105922","CVE-2026-106445","CVE-2026-106446","CVE-2026-109156","CVE-2026-109383","CVE-2026-109527","CVE-2026-109829","CVE-2026-109869","CVE-2026-109956","CVE-2026-110856","CVE-2026-110857","CVE-2026-110858","CVE-2026-110859","CVE-2026-111064","CVE-2026-111066","CVE-2026-111497","CVE-2026-112390","CVE-2026-112391","CVE-2026-112392","CVE-2026-112397","CVE-2026-112399","CVE-2026-112400","CVE-2026-112402","CVE-2026-112404","CVE-2026-112405","CVE-2026-112893","CVE-2026-112894","CVE-2026-112895","CVE-2026-112896","CVE-2026-112897","CVE-2026-112940","CVE-2026-114145"]},{"id":"RHSA-2026:83598","title":"Red Hat Security Advisory: RHTAS 1.4.4 - Red Hat Trusted Artifact Signer Release","vulnerabilityIds":["CVE-2026-4800","CVE-2026-41178","CVE-2026-45623","CVE-2026-56854","CVE-2026-59873","CVE-2026-59874","CVE-2026-67213","CVE-2026-67214","CVE-2026-69153","CVE-2026-73086","CVE-2026-73088","CVE-2026-73089","CVE-2026-73500","CVE-2026-73643","CVE-2026-73646","CVE-2026-84375","CVE-2026-84445","CVE-2026-93749"]}],"note":"EUVD source date text has no stated timezone and is retained without inventing a UTC instant. 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