CVE-2015-8854 Regular Expression Denial of Service in marked

What is CVE-2015-8854?

CVE-2015-8854 is a high-severity denial of service vulnerability in Fedoraproject Fedora, published on 23 Jan 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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)."

Weakness: CWE-1333

Which versions are affected by CVE-2015-8854?

2 open source packages ship an affected version, including marked. It affects 2 products.

Products include Fedoraproject Fedora, Marked Project Marked.

How do I fix CVE-2015-8854?

Upgrade marked to 0.3.4 or later.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2015-8854 being exploited?

There is no known exploitation of CVE-2015-8854 in the wild and no public exploit code.

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• CVE-2024-4947 Google Chromium V8 Type Confusion Exploited Critical 9.6
• CVE-2024-4671 Google Chromium Visuals Use-After-Free Exploited Critical 9.6

All Fedoraproject Fedora vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2015-8854, GHSA-hjcp-j389-59ff, UBUNTU-CVE-2015-8854.