CVE-2023-40703 (GCVE-0-2023-40703)
Vulnerability from cvelistv5 – Published: 2023-11-27 09:08 – Updated: 2025-06-03 14:01
VLAI
EPSS
VEX
Title
Denial of Service via specially crafted block fields in Mattermost Boards
Summary
Mattermost fails to properly limit the characters allowed in different fields of a block in Mattermost Boards allowing a attacker to consume excessive resources, possibly leading to Denial of Service, by patching the field of a block using a specially crafted string.
Severity
4.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-06-03 14:01 UTC
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
Mattermost
CNA
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Mattermost | Mattermost |
Affected:
0 , ≤ 7.8.12
(semver)
Affected: 0 , ≤ 8.1.3 (semver) Affected: 0 , ≤ 9.0.1 (semver) Affected: 0 , ≤ 9.1.0 (semver) Unaffected: 9.1.1 Unaffected: 9.0.2 Unaffected: 7.8.13 Unaffected: 8.1.4 |
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