PT-2026-115505
CVE-2026-16251
·
Published
2026-10-16
·
Updated
2026-10-16
Description by
CVSS 3.1
6.5
MediumMetricsAV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Name of the Vulnerable Software and Affected Versions
Mattermost version 11.10.0
Mattermost version 11.7.9
Mattermost version 11.9.1
Mattermost version 11.8.5
Description
The local image proxy fails to limit the size of remote image responses buffered in memory during direct fetches. This allows a remote attacker to cause memory exhaustion on the server by providing a crafted oversized image response.
Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Exploitability
Exploit
Impacts
Vendors
Affected products
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