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Vulnerability record · CVE-2015-8854 · published 23 January 2017

CVE-2015-8854: Marked project marked inefficient regular expression (redos) vulnerability

MMarked Project · Marked

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)."

7.5 CVSS 3.1 High EPSS 4.3% · top 9.1% CWE-1333 · Inefficient regular expression (ReDoS)
7.5CVSS 3.1 base score, v2 7.8
4.3%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
10References
17 Jun 2026Last modified by NVD

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)."

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.openwall.com/lists/oss-security/2016/04/20/11 Mailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BO2RMVVZVV6NFTU46B5RYRK Mailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M6BJG6RGDH7ZWVVAUFBFI5L Mailing ListThird Party Advisory
https://nodesecurity.io/advisories/23 Broken LinkPatchVendor Advisory
https://support.f5.com/csp/article/K05052081?utm_source=f5support&amp%3Butm_medium=RSS Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/04/20/11 Mailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BO2RMVVZVV6NFTU46B5RYRK Mailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M6BJG6RGDH7ZWVVAUFBFI5L Mailing ListThird Party Advisory
https://nodesecurity.io/advisories/23 Broken LinkPatchVendor Advisory
https://support.f5.com/csp/article/K05052081?utm_source=f5support&amp%3Butm_medium=RSS Third Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2015-8854), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.