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CVE-2017-16114

Regular Expression Denial of Service in marked

7.5 HighFix available

CVE-2017-16114 is a high vulnerability (CVSS 7.5) in Marked Project Marked, published June 7, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.73%, the 77th percentile. Fixed in marked 0.3.9.

The marked module is vulnerable to a regular expression denial of service. Based on the information published in the public issue, 1k characters can block for around 6 seconds.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
High

Exploit likelihood

1.73%Up 1.0 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 7.5

The marked module is vulnerable to a regular expression denial of service. Based on the information published in the public issue, 1k characters can block for around 6 seconds.

Record
CVE-2017-16114
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0
5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness
CWE-400
Updated
2026-11-02
CVE List No score

The marked module is vulnerable to a regular expression denial of service. Based on the information published in the public issue, 1k characters can block for around 6 seconds.

Record
CVE-2017-16114
Weakness
CWE-400
Updated
2026-11-02
EUVDEUVD-2018-0342 No score

The marked module is vulnerable to a regular expression denial of service. Based on the information published in the public issue, 1k characters can block for around 6 seconds.

Record
EUVD-2018-0342
Updated
2026-11-03
GitHub AdvisoriesGHSA-x5pg-88wf-qq4p 7.5

Regular Expression Denial of Service in marked

Affected versions of marked are vulnerable to a regular expression denial of service.

The amplification in this vulnerability is significant, with 1,000 characters resulting in the event loop being blocked for around 6 seconds.

Recommendation

Update to version 0.3.9 or later.

Record
GHSA-x5pg-88wf-qq4p
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-400
Updated
2026-11-02
OSV 7.5

The marked module is vulnerable to a regular expression denial of service. Based on the information published in the public issue, 1k characters can block for around 6 seconds.

Record
CVE-2017-16114
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVDEBIAN-CVE-2017-16114 7.5

The marked module is vulnerable to a regular expression denial of service. Based on the information published in the public issue, 1k characters can block for around 6 seconds.

Record
DEBIAN-CVE-2017-16114
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVGHSA-x5pg-88wf-qq4p 7.5

Regular Expression Denial of Service in marked

Affected versions of marked are vulnerable to a regular expression denial of service.

The amplification in this vulnerability is significant, with 1,000 characters resulting in the event loop being blocked for around 6 seconds.

Recommendation

Update to version 0.3.9 or later.

Record
GHSA-x5pg-88wf-qq4p
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-400
Updated
2026-11-02
OSVUBUNTU-CVE-2017-16114 7.5

The marked module is vulnerable to a regular expression denial of service. Based on the information published in the public issue, 1k characters can block for around 6 seconds.

Record
UBUNTU-CVE-2017-16114
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVCLSA-2026-1773188128 No score

TuxCare security update for marked (8 CVEs)

TuxCare rebuilt marked to address 8 CVEs. Fixed in 0.2.10-tuxcare.1.

Record
CLSA-2026-1773188128
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
marked
npm
before 0.3.9
0.3.9
marked
TuxCare:npm
0.2.10-tuxcare.0 up to 0.2.10-tuxcare.1, plus listed versions
0.2.10
0.2.10-tuxcare.1
node-marked
Debian:12
before 0.3.9+dfsg-1
0.3.9+dfsg-1
node-marked
Debian:13
before 0.3.9+dfsg-1
0.3.9+dfsg-1
node-marked
Debian:14
before 0.3.9+dfsg-1
0.3.9+dfsg-1
node-marked
Ubuntu:16.04:LTS
All versions, plus listed versions
0.3.2+dfsg-1
None known

History

History
WhenChangedSources
2026-11-03aliasesEUVD
2026-11-02createdCVE List, GitHub Advisories, NVD, OSV

References

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