HTTP Response Splitting Affecting netdata package, versions <1.9.0+dfsg-1ubuntu0.1~esm1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UBUNTU1804-NETDATA-1189545
- published22 Mar 2026
- disclosed18 Jun 2019
Introduced: 18 Jun 2019
CVE-2018-18837 (opens in a new tab)How to fix?
Upgrade Ubuntu:18.04 netdata to version 1.9.0+dfsg-1ubuntu0.1~esm1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream netdata package and not the netdata package as distributed by Ubuntu.
See How to fix? for Ubuntu:18.04 relevant fixed versions and status.
An issue was discovered in Netdata 1.10.0. HTTP Header Injection exists via the api/v1/data filename parameter because of web_client_api_request_v1_data in web/api/web_api_v1.c.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2018-18837
- https://github.com/netdata/netdata/pull/4521
- https://github.com/netdata/netdata/blob/798c141c49ee85bddc8f48f25d2cb593ec96da07/web/api/web_api_v1.c#L367-L370
- https://github.com/netdata/netdata/commit/92327c9ec211bd1616315abcb255861b130b97ca
- https://www.red4sec.com/cve/netdata_header_injection.txt