UBUNTU-CVE-2026-33374

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Source

https://ubuntu.com/security/CVE-2026-33374

Import Source

https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-33374.json

JSON Data

https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-33374

Upstream

CVE-2026-33374

Published

2026-10-13T18:17:00Z

Modified

2026-10-17T12:59:59Z

Severity

6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Ubuntu - medium

Summary

[none]

Details

The Prometheus rule conversion API endpoints in Grafana do not limit request body size, allowing authenticated users to trigger unbounded memory allocations that can crash the server through out-of-memory conditions.

References

Affected packages

Ubuntu:16.04:LTS / grafana

Package

Name: grafana
Purl: pkg:deb/ubuntu/grafana?arch=source&distro=xenial

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0 Unknown introduced version / All previous versions are affected

Affected versions

2.*

2.6.0+dfsg-1

Ecosystem specific

{
    "binaries":  [
        {
            "binary_name":  "grafana",
            "binary_version":  "2.6.0+dfsg-1"
        },
        {
            "binary_name":  "grafana-data",
            "binary_version":  "2.6.0+dfsg-1"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-33374.json"