{"id":"CVE-2015-8854","aliases":["DEBIAN-CVE-2015-8854","EUVD-2017-0252","GHSA-hjcp-j389-59ff","UBUNTU-CVE-2015-8854"],"status":"published","title":"Regular Expression Denial of Service in marked","description":"The marked package before 0.3.4 for Node.js allows attackers to cause a denial of service (CPU consumption) via unspecified vectors that trigger a \"catastrophic backtracking issue for the em inline rule,\" aka a \"regular expression denial of service (ReDoS).\"","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.04417,"percentile":0.91413,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-1333"],"published":"2017-01-23T21:00:00Z","modified":"2026-09-09T07:01:45Z","fixes":[{"ecosystem":"npm","package":"marked","fixed_in":["0.3.4"],"sources":["ghsa","osv"]},{"ecosystem":"Debian:12","package":"node-marked","fixed_in":["0.3.6+dfsg-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"node-marked","fixed_in":["0.3.6+dfsg-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"node-marked","fixed_in":["0.3.6+dfsg-1"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"marked","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.3.4"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"node-marked","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.3.6+dfsg-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"node-marked","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.3.6+dfsg-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"node-marked","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.3.6+dfsg-1"}]}]},{"source":"osv","ecosystem":"npm","package":"marked","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"0.3.4"}]}]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"node-marked","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.3.2+dfsg-1"]}],"products":[{"vendor":"fedoraproject","product":"fedora"},{"vendor":"marked_project","product":"marked"}],"references":[{"url":"https://nodesecurity.io/advisories/23","tags":["x_refsource_CONFIRM","x_transferred","Broken Link","Patch","Vendor Advisory","advisory","fix"]},{"url":"http://www.openwall.com/lists/oss-security/2016/04/20/11","tags":["mailing-list","x_refsource_MLIST","x_transferred","Mailing List","Third Party Advisory","advisory","article","web"]},{"url":"https://support.f5.com/csp/article/K05052081?utm_source=f5support\u0026amp%3Butm_medium=RSS","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory","advisory"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BO2RMVVZVV6NFTU46B5RYRK7ZCXYARZS/","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","Mailing List","Third Party Advisory","advisory","article"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M6BJG6RGDH7ZWVVAUFBFI5L32RSMQN2S/","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","Mailing List","Third Party Advisory","advisory","article"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2015-8854","tags":["advisory"]},{"url":"https://github.com/chjj/marked/issues/497","tags":["web","report"]},{"url":"https://github.com/advisories/GHSA-hjcp-j389-59ff","tags":["advisory"]},{"url":"https://www.npmjs.com/advisories/23","tags":["web"]},{"url":"https://www.owasp.org/index.php/Regular_expression_Denial_of_Service_-_ReDoS","tags":["web"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BO2RMVVZVV6NFTU46B5RYRK7ZCXYARZS/"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/M6BJG6RGDH7ZWVVAUFBFI5L32RSMQN2S/"},{"url":"https://support.f5.com/csp/article/K05052081?utm_source=f5support\u0026amp;utm_medium=RSS","tags":["web"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2015-8854","tags":["advisory"]},{"url":"https://github.com/chjj/marked","tags":["package"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BO2RMVVZVV6NFTU46B5RYRK7ZCXYARZS","tags":["web"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/M6BJG6RGDH7ZWVVAUFBFI5L32RSMQN2S","tags":["web"]},{"url":"https://ubuntu.com/security/CVE-2015-8854","tags":["report"]},{"url":"https://nodesecurity.io/advisories/marked_redos","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2015-8854","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2015-8854","description":"The marked package before 0.3.4 for Node.js allows attackers to cause a denial of service (CPU consumption) via unspecified vectors that trigger a \"catastrophic backtracking issue for the em inline rule,\" aka a \"regular expression denial of service (ReDoS).\"","status":"published","published":"2017-01-23T21:00:00Z","modified":"2024-08-06T08:29:22.111Z","updated_at":"2026-11-02T14:35:40.900357Z"}],"euvd":[{"id":"EUVD-2017-0252","description":"The marked package before 0.3.4 for Node.js allows attackers to cause a denial of service (CPU consumption) via unspecified vectors that trigger a \"catastrophic backtracking issue for the em inline rule,\" aka a \"regular expression denial of service (ReDoS).\"","status":"published","published":"2017-01-23T21:00:00Z","modified":"2024-08-06T08:29:22Z","updated_at":"2026-11-03T01:57:25.869767Z"}],"ghsa":[{"id":"GHSA-hjcp-j389-59ff","title":"Regular Expression Denial of Service in marked","description":"Versions 0.3.3 and earlier of `marked` are affected by a regular expression denial of service ( ReDoS ) vulnerability when passed inputs that reach the `em` inline rule.\n\n\n\n## Recommendation\n\nUpdate to version 0.3.4 or later.","status":"published","published":"2017-10-24T18:33:36Z","modified":"2024-02-09T17:50:44Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-1333"],"updated_at":"2026-11-02T14:37:36.777238Z"}],"nvd":[{"id":"CVE-2015-8854","description":"The marked package before 0.3.4 for Node.js allows attackers to cause a denial of service (CPU consumption) via unspecified vectors that trigger a \"catastrophic backtracking issue for the em inline rule,\" aka a \"regular expression denial of service (ReDoS).\"","status":"published","published":"2017-01-23T21:59:00.47Z","modified":"2026-06-17T00:35:22.333Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-1333"],"updated_at":"2026-11-02T14:03:16.97467Z"}],"osv":[{"id":"CVE-2015-8854","description":"The marked package before 0.3.4 for Node.js allows attackers to cause a denial of service (CPU consumption) via unspecified vectors that trigger a \"catastrophic backtracking issue for the em inline rule,\" aka a \"regular expression denial of service (ReDoS).\"","status":"published","published":"2017-01-23T21:59:00Z","modified":"2026-04-10T03:46:34.579936Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:01.068991Z"},{"id":"DEBIAN-CVE-2015-8854","description":"The marked package before 0.3.4 for Node.js allows attackers to cause a denial of service (CPU consumption) via unspecified vectors that trigger a \"catastrophic backtracking issue for the em inline rule,\" aka a \"regular expression denial of service (ReDoS).\"","status":"published","published":"2017-01-23T21:59:00.47Z","modified":"2026-09-09T07:01:45.041438422Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:27.04239Z"},{"id":"GHSA-hjcp-j389-59ff","title":"Regular Expression Denial of Service in marked","description":"Versions 0.3.3 and earlier of `marked` are affected by a regular expression denial of service ( ReDoS ) vulnerability when passed inputs that reach the `em` inline rule.\n\n\n\n## Recommendation\n\nUpdate to version 0.3.4 or later.","status":"published","published":"2017-10-24T18:33:36Z","modified":"2024-02-09T17:50:43Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-1333"],"updated_at":"2026-11-02T15:46:49.28217Z"},{"id":"UBUNTU-CVE-2015-8854","description":"The marked package before 0.3.4 for Node.js allows attackers to cause a denial of service (CPU consumption) via unspecified vectors that trigger a \"catastrophic backtracking issue for the em inline rule,\" aka a \"regular expression denial of service (ReDoS).\"","status":"published","published":"2017-01-23T21:59:00Z","modified":"2025-10-24T04:45:31Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:54:11.100633Z"}]}}