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01 Record

CVE-2026-33374

Unbounded memory allocation in the Prometheus rule conversion API

MediumPUBLISHEDCNA: GRAFANA
CNA base score6.5 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

02 Description

Unbounded memory allocation in the Prometheus rule conversion API

03 Exploitation and scoring

Exploitation
Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
SSVC decision
  • ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
  • AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
  • Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.
EPSS probability
0.36% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 30.3% of scored records. A rank, not a probability.
NVD base score
6.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD analysis status
Awaiting Analysis. NVD last modified this record on 2026-10-16.
Red Hat severity
Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2026-10-13 17:05Z15 DAYS AGO
Last updated
2026-10-13 19:21Z15 DAYS AGO
Reserved
2026-03-19
Assigning CNA
GRAFANA
Record state
PUBLISHED
Severity
Medium (CVSS 6.5)
CNA CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weaknesses
  • CWE-400Uncontrolled Resource ConsumptionClass
  • CWE-770Allocation of Resources Without Limits or ThrottlingBase
  • CWE-789Memory Allocation with Excessive Size ValueVariant
Data version
5.2
Document digest
ed49840f6b8447626cae3a14eb13b8451b0557ade9087ae4556d70c641090442

05 Affected products

VendorProductVersionsPlatforms
GrafanaGrafana Enterprise12.0.0 to 12.3.11, 12.4.0 to < 12.4.13, 13.0.0 to < 13.0.11, 13.1.0 to < 13.1.8, 13.2.0 to < 13.2.4—
GrafanaGrafana OSS12.0.0 to 12.3.11, 12.4.0 to < 12.4.13, 13.0.0 to < 13.0.11, 13.1.0 to < 13.1.8, 13.2.0 to < 13.2.4—

06 References

07 Fixed in

Ubuntu 16.04 LTS

  • grafana
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.