Moderate severityNVD Advisory· Published Jan 15, 2025· Updated Jan 15, 2025
WebApp crash via improper validation of proto style in attachments
CVE-2025-21088
Description
Mattermost versions 10.2.x <= 10.2.0, 9.11.x <= 9.11.5, 10.0.x <= 10.0.3, 10.1.x <= 10.1.3 fail to properly validate the style of proto supplied to an action's style in post.props.attachments, which allows an attacker to crash the frontend via crafted malicious input.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
github.com/mattermost/mattermost/server/v8Go | >= 10.2.0, < 10.2.1 | 10.2.1 |
github.com/mattermost/mattermost/server/v8Go | >= 10.1.0, < 10.1.4 | 10.1.4 |
github.com/mattermost/mattermost/server/v8Go | >= 10.0.0, < 10.0.4 | 10.0.4 |
github.com/mattermost/mattermost/server/v8Go | >= 9.11.0, < 9.11.6 | 9.11.6 |
github.com/mattermost/mattermost/server/v8Go | < 8.0.0-20241127161322-25ff7a3779a5 | 8.0.0-20241127161322-25ff7a3779a5 |
Affected products
1- Range: 10.2.0
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
4- github.com/advisories/GHSA-8j3q-gc9x-7972ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2025-21088ghsaADVISORY
- mattermost.com/security-updatesghsaWEB
- pkg.go.dev/vuln/GO-2025-3393ghsaWEB
News mentions
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