Description
Mattermost versions 10.1.x <= 10.1.2, 10.0.x <= 10.0.2, 9.11.x <= 9.11.4, 9.5.x <= 9.5.12 fail to properly validate the type of callProps which allows a user to cause a client side (webapp and mobile) DoS to users of particular channels, by sending a specially crafted post.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Mattermost | Mattermost | 10.1.0 – ≤ 10.1.2, 10.0.0 – ≤ 10.0.2, 9.11.0 – ≤ 9.11.4, 9.5.0 – ≤ 9.5.12 | 10.2.0 |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | govulncheck-vulndb | 0.0.20241218T202206-1.1 | openSUSE-SU-2024:14603-1 |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Go | github.com/mattermost/mattermost-server | >= 9.5.0+incompatible, < 9.5.13+incompatible · >= 9.11.0+incompatible, < 9.11.5+incompatible · >= 10.0.0+incompatible, < 10.0.3+incompatible · >= 10.1.0+incompatible, < 10.1.3+incompatible | 9.5.13+incompatible, 9.11.5+incompatible, 10.0.3+incompatible, 10.1.3+incompatible | GO-2024-3337 |
| Go | github.com/mattermost/mattermost-server/v5 | all versions | — | GO-2024-3337 |
| Go | github.com/mattermost/mattermost-server/v6 | all versions | — | GO-2024-3337 |
| Go | github.com/mattermost/mattermost/server/v8 | >= 10.1.0, < 10.1.3 | 10.1.3 | GHSA-69pr-78gv-7c6h |
| Go | github.com/mattermost/mattermost/server/v8 | >= 10.0.0, < 10.0.3 | 10.0.3 | GHSA-69pr-78gv-7c6h |
| Go | github.com/mattermost/mattermost/server/v8 | >= 9.11.0, < 9.11.5 | 9.11.5 | GHSA-69pr-78gv-7c6h |
| Go | github.com/mattermost/mattermost/server/v8 | >= 9.5.0, < 9.5.13 | 9.5.13 | GHSA-69pr-78gv-7c6h |
| Go | github.com/mattermost/mattermost/server/v8 | all versions | — | GO-2024-3337 |
Advisories 2
- openSUSE-SU-2024:14603-1 govulncheck-vulndb-0.0.20241218T202206-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2024-3494 Mattermost: Mehrere Schwachstellen ermöglichen nicht spezifizierten Angriff BSI CERT-Bund (WID) · Jan 9, 2025