CVE-2021-37865
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2021
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
Server-side Denial of Service while processing a specifically crafted GIF file
Mattermost 6.2 and earlier fails to sufficiently process a specifically crafted GIF file when it is uploaded while drafting a post, which allows authenticated users to cause resource exhaustion while processing the file, resulting in server-side Denial of Service.
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
Mattermost
- Vendor
- Mattermost
- Product
- Mattermost
- Platforms
- Unknown
- Default status
Unknown
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| unspecified | affected | custom | Unavailable | 6.2 | None listed |
| 6.1.1 | unaffected | custom | unspecified | Unavailable | None listed |
| 6.0.4 | unaffected | custom | unspecified | Unavailable | None listed |
| 5.39.3 | unaffected | custom | unspecified | Unavailable | None listed |
| 5.37.6 | unaffected | custom | unspecified | Unavailable | None listed |