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Fencer Vulns
low 3.1

CVE-2024-22091 json

Excessive resource consumption due to lack to request path size limits

published 2024-04-26 2 y ago modified 2026-06-17 4 mo ago also GHSA-p2wq-4ggp-45f3 , GO-2024-2796 , EUVD-2024-1261

cvss
3.1
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 45%
public exploits
0
none known

Summary

Mattermost versions 8.1.x <= 8.1.10, 9.6.x <= 9.6.0, 9.5.x <= 9.5.2 and 8.1.x <= 8.1.11 fail to limit the size of a request path that includes user inputs which allows an attacker to cause excessive resource consumption, possibly leading to a DoS via sending large request paths

Patch / fix

  • go github.com/mattermost/mattermost-server 8.1.12, 8.1.12+incompatible, 9.5.3, 9.5.3+incompatible, 9.6.1, 9.6.1+incompatible
  • Mattermost Mattermost 8.1.11, 8.1.12, 9.5.3, 9.6.1, 9.7.0

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2024-22091 updated cvss 3.1

mattermost: fail to limit the size of a request path causing excessive resource consumption

  • Red Hat Advanced Cluster Management for Kubernetes 2 rhacm2/acm-grafana-rhel8 Red Hat Advanced Cluster Security 3 advanced-cluster-security/rhacs-docs-rhel8, advanced-cluster-security/rhacs-main-rhel8, advanced-cluster-security/rhacs-roxctl-rhel8, advanced-cluster-security/rhacs-scanner-rhel8, advanced-cluster-security/rhacs-rhel8-operator, advanced-cluster-security/rhacs-scanner-db-rhel8
    affected: no fix available “Fix deferred”
  • Red Hat OpenShift Container Platform 4 openshift4/ose-grafana
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
2 y ago

Exploit prediction

0.54% chance of exploitation in the next 30 days, higher than 45% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 3.1 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L
NVD 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
GitHub 3.1 3.1 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L

Affected packages

ecosystem package affected fixed in
go github.com/mattermost/mattermost-server
>=8.1.0, <8.1.12
>=9.5.0, <9.5.3
>=9.6.0-rc1, <9.6.1
>=8.1.0+incompatible, <8.1.12+incompatible
>=9.5.0+incompatible, <9.5.3+incompatible
>=9.6.0-rc1+incompatible, <9.6.1+incompatible
8.1.12
9.5.3
9.6.1
8.1.12+incompatible
9.5.3+incompatible
9.6.1+incompatible

Affected products

  • Mattermost Mattermost
  • mattermost mattermost_server

Classification

Weakness
  • CWE-400 Uncontrolled Resource Consumption
  • CWE-770 Allocation of Resources Without Limits or Throttling

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.