CVE-2017-18898 — Improper Resource Shutdown or Release in Mattermost Mattermost-server

CWE-404 — Improper Resource Shutdown or Release5 documents4 sources
Severity
5.3MEDIUMNVD
EPSS
0.4%
top 40.65%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Github.com Mattermost Mattermost-serverMattermost Server
Timeline
PublishedJun 19
Latest updateJan 13

Description

An issue was discovered in Mattermost Server before 4.2.0, 4.1.1, and 4.0.5. It allows crafted posts that potentially cause a web browser to hang.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:LExploitability: 3.9 | Impact: 1.4

Affected Packages2 packages

▶NVDmattermost/mattermost_server4.1.0 — 4.1.1+2

🔴Vulnerability Details

4
OSV
Mattermost Server is vulnerable to DoS through maliciously crafted posts in github.com/mattermost/mattermost-server↗2026-01-13
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GHSA
Mattermost Server is vulnerable to DoS through maliciously crafted posts↗2022-05-24
▶
OSV
Mattermost Server is vulnerable to DoS through maliciously crafted posts↗2022-05-24
▶
CVEList
CVE-2017-18898: An issue was discovered in Mattermost Server before 4↗2020-06-19
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CVE-2017-18898 — Improper Resource Shutdown or Release | cvebase