# CVE-2021-27358: grafana: Grafana is an open source, feature rich metrics dashboard and graph editor for Graphite, InfluxDB & OpenTSDB

CVE-2021-27358 is fixed in grafana on 1 platform, first by RHSA-2021:4226, released November 9, 2021. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2021-27358
- Priority: High
- CVSS: 7.5 (Moderate)
- EPSS: 0.8304
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Nov 9, 2021

## Description

Grafana is an open source, feature rich metrics dashboard and graph editor for Graphite, InfluxDB & OpenTSDB.   The following packages have been upgraded to a later upstream version: grafana (7.5.9). (BZ#1921191)  Security Fix(es):  * golang: crypto/elliptic: incorrect operations on the P-224 curve (CVE-2021-3114)  * grafana: snapshot feature allow an unauthenticated remote attacker to trigger a DoS via a remote API call (CVE-2021-27358)  * golang: net: lookup functions may return invalid host names (CVE-2021-33195)  * golang: net/http/httputil: ReverseProxy forwards connection headers if first one is empty (CVE-2021-33197)  * golang: crypto/tls: certificate of wrong type is causing TLS client to panic (CVE-2021-34558)  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 8.5 Release Notes linked from the References section.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | grafana RHEL 8 | 0:7.5.9-4.el8 | [RHSA-2021:4226](https://patchblox.com/security/data/fix/linux/rhsa-2021-4226.md) | Nov 9, 2021 |
| Linux | grafana almalinux 8 | 7.5.9-4.el8 | [ALSA-2021:4226](https://patchblox.com/security/data/fix/linux/alsa-2021-4226.md) | Nov 9, 2021 |
| Linux | grafana ol 8 | 0:7.5.9-4.el8 | [ELSA-2021-4226](https://patchblox.com/security/data/fix/linux/elsa-2021-4226.md) | Nov 16, 2021 |
| Linux | grafana rocky 8 | 0:7.5.9-4.el8 | [RLSA-2021:4226](https://patchblox.com/security/data/fix/linux/rlsa-2021-4226.md) | Nov 9, 2021 |

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Data as of 2026-11-08T19:12:23Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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