CVE-2026-25780

6 advisories.

Go/github.com/mattermost/mattermost/server/v8 CVE-2026-25780: medium 4.3, EPSS 0.38%

Mattermost fails to bound memory allocation when processing DOC files

Action: Upgrade github.com/mattermost/mattermost/server/v8 to 8.0.0-20260123215601-86797c508c44 or later.

go get github.com/mattermost/mattermost/server/v8@v8.0.0-20260123215601-86797c508c44

Affected

introduced	fixed	last affected
0	8.0.0-20260123215601-86797c508c44	-

Fixed versions

8.0.0-20260123215601-86797c508c44

Sources

CVE-2026-25780 · published 2026-03-16T15:30:42Z · modified 2026-03-23T18:56:18.467718Z · JSON

Go/github.com/mattermost/mattermost-server CVE-2026-25780: medium 4.3, EPSS 0.38%

Mattermost fails to bound memory allocation when processing DOC files

Action: Upgrade github.com/mattermost/mattermost-server to 5.3.2-0.20260123215601-86797c508c44 or later.

go get github.com/mattermost/mattermost-server@v5.3.2-0.20260123215601-86797c508c44

go get github.com/mattermost/mattermost-server@v10.11.11

go get github.com/mattermost/mattermost-server@v11.2.3

go get github.com/mattermost/mattermost-server@v11.3.1

Affected

introduced	fixed	last affected
0	5.3.2-0.20260123215601-86797c508c44	-
10.11.0-rc1	10.11.11	-
11.2.0-rc1	11.2.3	-
11.3.0-rc1	11.3.1	-

Fixed versions

5.3.2-0.20260123215601-86797c508c44

10.11.11

11.2.3

11.3.1

Sources

CVE-2026-25780 · published 2026-03-16T15:30:42Z · modified 2026-03-23T18:56:18.467718Z · JSON

Go/github.com/mattermost/mattermost-server CVE-2026-25780: unknown, EPSS 0.38%

Mattermost fails to bound memory allocation when processing DOC files in github.com/mattermost/mattermost-server

Action: Upgrade github.com/mattermost/mattermost-server to 10.11.11+incompatible or later.

go get github.com/mattermost/mattermost-server@v10.11.11+incompatible

go get github.com/mattermost/mattermost-server@v11.2.3+incompatible

go get github.com/mattermost/mattermost-server@v11.3.1+incompatible

Affected

introduced	fixed	last affected
10.11.0-rc1+incompatible	10.11.11+incompatible	-
11.2.0-rc1+incompatible	11.2.3+incompatible	-
11.3.0-rc1+incompatible	11.3.1+incompatible	-

Fixed versions

10.11.11+incompatible

11.2.3+incompatible

11.3.1+incompatible

Sources

CVE-2026-25780 · published 2026-03-23T18:14:47Z · modified 2026-03-23T18:45:15.212931Z · JSON

Go/github.com/mattermost/mattermost-server/v5 CVE-2026-25780: unknown, EPSS 0.38%

Mattermost fails to bound memory allocation when processing DOC files in github.com/mattermost/mattermost-server

Action: No fix published. Pin and monitor.

Affected

introduced	fixed	last affected
0	-	-

Fixed versions

No fixed version in the source.

Sources

CVE-2026-25780 · published 2026-03-23T18:14:47Z · modified 2026-03-23T18:45:15.212931Z · JSON

Go/github.com/mattermost/mattermost-server/v6 CVE-2026-25780: unknown, EPSS 0.38%

Mattermost fails to bound memory allocation when processing DOC files in github.com/mattermost/mattermost-server

Action: No fix published. Pin and monitor.

Affected

introduced	fixed	last affected
0	-	-

Fixed versions

No fixed version in the source.

Sources

CVE-2026-25780 · published 2026-03-23T18:14:47Z · modified 2026-03-23T18:45:15.212931Z · JSON

Go/github.com/mattermost/mattermost/server/v8 CVE-2026-25780: unknown, EPSS 0.38%

Mattermost fails to bound memory allocation when processing DOC files in github.com/mattermost/mattermost-server

Action: Upgrade github.com/mattermost/mattermost/server/v8 to 8.0.0-20260123215601-86797c508c44 or later.

go get github.com/mattermost/mattermost/server/v8@v8.0.0-20260123215601-86797c508c44

Affected

introduced	fixed	last affected
0	8.0.0-20260123215601-86797c508c44	-

Fixed versions

8.0.0-20260123215601-86797c508c44

Sources

CVE-2026-25780 · published 2026-03-23T18:14:47Z · modified 2026-03-23T18:45:15.212931Z · JSON