CVE-2019-16555: A user-supplied regular expression in Jenkins Build Failure Analyzer Plugin 1.24.1 and earlier was processed i

Q: How do I fix CVE-2019-16555?

build failure analyzer: upgrade to newer than 1.24.1. Exact commands for each OS are on this page.

Q: Is CVE-2019-16555 being exploited?

CVE-2019-16555 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2019-16555 affect?

CVE-2019-16555 affects build failure analyzer. Severity is medium (CVSS 6.5). 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 interru

Q: How urgent is CVE-2019-16555?

Priority 39/100. No elevated risk signals yet.

Routine

MEDIUM 6.5UPGRADE

CVE-2019-16555 is a medium-severity flaw (CVSS 6.5) affecting build failure analyzer. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	6.5 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	1.1% (top 35%)
CISA exploited list	No
Weakness	CWE-400
Published	2019-12-17
Last modified	2026-06-17

Publisher (CNA): Jenkins Project · Vendor: jenkins

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2019-12-17 15:15 UTCPublished CVE record published
2026-06-17 02:22 UTCUpdated Record last modified

jenkins build failure analyzer UPGRADE

Affected: <= 1.24.1

Fixed in: newer than 1.24.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy build-failure-analyzer || rpm -q build-failure-analyzer || build-failure-analyzer --version

2. UPGRADE to newer than 1.24.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade build-failure-analyzer

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade build-failure-analyzer

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2019-16555?

build failure analyzer: upgrade to newer than 1.24.1. Exact commands for each OS are on this page.

Is CVE-2019-16555 being exploited?

CVE-2019-16555 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2019-16555 affect?

CVE-2019-16555 affects build failure analyzer. Severity is medium (CVSS 6.5). 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 interru

How urgent is CVE-2019-16555?

Priority 39/100. No elevated risk signals yet.

Software pages

Jenkins vulnerabilities

Related CVEs

CVE-2023-43502 MEDIUM 4.3 UPGRADE A cross-site request forgery (CSRF) vulnerability in Jenkins Build Failure Analyzer Plugin 2.4.1 and earlier a
CVE-2023-43501 MEDIUM 6.5 UPGRADE A missing permission check in Jenkins Build Failure Analyzer Plugin 2.4.1 and earlier allows attackers with Ov
CVE-2023-43500 HIGH 8.8 UPGRADE A cross-site request forgery (CSRF) vulnerability in Jenkins Build Failure Analyzer Plugin 2.4.1 and earlier a
CVE-2023-43499 MEDIUM 5.4 UPGRADE Jenkins Build Failure Analyzer Plugin 2.4.1 and earlier does not escape Failure Cause names in build logs, res
CVE-2020-2244 MEDIUM 5.4 UPGRADE Jenkins Build Failure Analyzer Plugin 1.27.0 and earlier does not escape matching text in a form validation re

References

← Back to latest CVEs