CVE-2015-8854

Name: CVE-2015-8854
Creator: NVD / NIST
Published: 2017-01-23T21:59:00.47+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 4.30%

Last modified Jun 17, 2026

CVE-2015-8854 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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).". EPSS estimates a 4.30% chance of exploitation in the next 30 days.

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)."

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

4.30%

89.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-1333

Affected Software

Vendor	Product	Versions
Marked Project	Marked	< 0.3.4
Fedoraproject	Fedora	31
Fedoraproject	Fedora	32

References

http://www.openwall.com/lists/oss-security/2016/04/20/11Mailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BO2RMVVZVV6NFTU46B5RYRK7ZCXYARZS/Mailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M6BJG6RGDH7ZWVVAUFBFI5L32RSMQN2S/Mailing List, Third Party Advisory
https://nodesecurity.io/advisories/23Broken Link, Patch, Vendor Advisory
https://support.f5.com/csp/article/K05052081?utm_source=f5support&amp%3Butm_medium=RSSThird Party Advisory
http://www.openwall.com/lists/oss-security/2016/04/20/11Mailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BO2RMVVZVV6NFTU46B5RYRK7ZCXYARZS/Mailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M6BJG6RGDH7ZWVVAUFBFI5L32RSMQN2S/Mailing List, Third Party Advisory
https://nodesecurity.io/advisories/23Broken Link, Patch, Vendor Advisory
https://support.f5.com/csp/article/K05052081?utm_source=f5support&amp%3Butm_medium=RSSThird Party Advisory

Timeline

Published: Jan 23, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2015-8854?

How severe is CVE-2015-8854?

CVE-2015-8854 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 4.30% probability of exploitation in the next 30 days.

How do I fix CVE-2015-8854?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2015-8854?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST