CVE-2019-16555

Name: CVE-2019-16555
Creator: NVD / NIST
Published: 2019-12-17T15:15:16.707+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 1.08%

Last modified Jun 17, 2026

CVE-2019-16555 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. A user-supplied regular expression in Jenkins Build Failure Analyzer Plugin 1.24.1 and earlier was processed in a way that wasn't interruptible, allowing attackers to have Jenkins evaluate a regular expression without the ability to interrupt this process.. EPSS estimates a 1.08% chance of exploitation in the next 30 days.

Description

A user-supplied regular expression in Jenkins Build Failure Analyzer Plugin 1.24.1 and earlier was processed in a way that wasn't interruptible, allowing attackers to have Jenkins evaluate a regular expression without the ability to interrupt this process.

Metrics

CVSS 3.1

6.5/10

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

EPSS Probability

1.08%

60.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-400

Affected Software

Vendor	Product	Versions
Jenkins	Build Failure Analyzer	<= 1.24.1

References

http://www.openwall.com/lists/oss-security/2019/12/17/1Mailing List, Third Party Advisory
https://jenkins.io/security/advisory/2019-12-17/#SECURITY-1651Vendor Advisory
http://www.openwall.com/lists/oss-security/2019/12/17/1Mailing List, Third Party Advisory
https://jenkins.io/security/advisory/2019-12-17/#SECURITY-1651Vendor Advisory

Timeline

Published: Dec 17, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-16555?

How severe is CVE-2019-16555?

CVE-2019-16555 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 1.08% probability of exploitation in the next 30 days.

How do I fix CVE-2019-16555?

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-2019-16555?

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

Scan your code now

Source: NVD / NIST