# CVE-2017-18640: prometheus-jmx-exporter: Prometheus JMX Exporter is a JMX to Prometheus exporter: a collector that can be configured to scrape and expose MBea...

CVE-2017-18640 is fixed in 2 products on 1 platform, first by libyaml-snake-java 1.23-1+deb10u1ubuntu0.1~esm1, released December 11, 2019. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2017-18640
- Priority: High
- CVSS: 7.6 (Moderate)
- EPSS: 0.2672
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Dec 11, 2019

## Description

Prometheus JMX Exporter is a JMX to Prometheus exporter: a collector that can be configured to scrape and expose MBeans of a JMX target.  Security Fix(es):  * snakeyaml: Billion laughs attack via alias feature (CVE-2017-18640)  For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.  Additional Changes:  For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.3 Release Notes linked from the References section.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | libyaml-snake-java Ubuntu 18.04.6 LTS (bionic) | 1.23-1+deb10u1ubuntu0.1~esm1 | [libyaml-snake-java 1.23-1+deb10u1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libyaml-snake-java-1.23-1-deb10u1ubuntu0.1-esm1.md) | Dec 11, 2019 |
| Linux | libyaml-snake-java Ubuntu 20.04 LTS (focal) | 1.25+ds-2ubuntu0.1+esm1 | [libyaml-snake-java 1.25+ds-2ubuntu0.1+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libyaml-snake-java-1.25-ds-2ubuntu0.1-esm1.md) | Dec 11, 2019 |
| Linux | prometheus-jmx-exporter RHEL 8 | 0:0.12.0-6.el8 | [RHSA-2020:4807](https://patchblox.com/security/data/fix/linux/rhsa-2020-4807.md) | Nov 4, 2020 |
| Linux | prometheus-jmx-exporter ol 8 | 0:0.12.0-6.el8 | [ELSA-2020-4807](https://patchblox.com/security/data/fix/linux/elsa-2020-4807.md) | Nov 10, 2020 |

---

Data as of 2026-11-07T12:40:37Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo