Medium severity6.5NVD Advisory· Published Jun 19, 2020· Updated Jun 17, 2026
CVE-2018-21250
CVE-2018-21250
Description
An issue was discovered in Mattermost Server before 5.2.2, 5.1.2, and 4.10.4. It allows remote attackers to cause a denial of service (memory consumption) via crafted image dimensions.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
3cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*range: <4.10.4
- (no CPE)range: <5.2.2, <5.1.2, <4.10.4
Patches
Vulnerability mechanics
References
1- mattermost.com/security-updates/nvdVendor Advisory
News mentions
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