Security Vulnerabilities
Mattermost versions 11.3.x <= 11.3.0, 11.2.x <= 11.2.2, 10.11.x <= 10.11.10 fail to bound memory allocation when processing PSD image files which allows an authenticated attacker to cause server memory exhaustion and denial of service via uploading a specially crafted PSD file. Mattermost Advisory ID: MMSA-2026-00572
CVSS Score
4.3
EPSS Score
0.0
Published
2026-03-16
Mattermost versions 11.3.x <= 11.3.0, 11.2.x <= 11.2.2, 10.11.x <= 10.11.10 fail to bound memory allocation when processing DOC files which allows an authenticated attacker to cause server memory exhaustion and denial of service via uploading a specially crafted DOC file.. Mattermost Advisory ID: MMSA-2026-00581
CVSS Score
4.3
EPSS Score
0.0
Published
2026-03-16
Mattermost versions 11.3.x <= 11.3.0, 11.2.x <= 11.2.2, 10.11.x <= 10.11.10 fail to properly validate User-Agent header tokens which allows an authenticated attacker to cause a request panic via a specially crafted User-Agent header. Mattermost Advisory ID: MMSA-2026-00586
CVSS Score
4.3
EPSS Score
0.001
Published
2026-03-16
Mattermost versions 11.3.x <= 11.3.0, 11.2.x <= 11.2.2, 10.11.x <= 10.11.10 fail to properly handle very long passwords, which allows an attacker to overload the server CPU and memory via executing login attempts with multi-megabyte passwords. Mattermost Advisory ID: MMSA-2026-00587
CVSS Score
7.5
EPSS Score
0.0
Published
2026-03-16
Improper authorization in Settings prior to SMR Mar-2026 Release 1 allows local attacker to disable configuring the background data usage of application.
CVSS Score
3.3
EPSS Score
0.0
Published
2026-03-16
Improper verification of intent by broadcast receiver in Settings prior to SMR Mar-2026 Release 1 allows local attacker to launch arbitrary activity with Settings privilege. User interaction is required for triggering this vulnerability.
CVSS Score
5.0
EPSS Score
0.0
Published
2026-03-16
Improper verification of cryptographic signature in Font Settings prior to SMR Mar-2026 Release 1 allows physical attackers to use custom font.
CVSS Score
2.4
EPSS Score
0.0
Published
2026-03-16
Improper export of android application components in Secure Folder prior to SMR Mar-2026 Release 1 allows local attackers to launch arbitrary activity with Secure Folder privilege.
CVSS Score
8.1
EPSS Score
0.0
Published
2026-03-16
Improper privilege management in ThemeManager prior to SMR Mar-2026 Release 1 allows local privileged attackers to reuse trial contents.
CVSS Score
4.4
EPSS Score
0.0
Published
2026-03-16
in OpenHarmony v6.0 and prior versions allow a local attacker case DOS through missing release of memory.
CVSS Score
3.3
EPSS Score
0.0
Published
2026-03-16