{"id":"GO-2026-5835","summary":"Mattermost doesn't validate the TIFF IFD offset in the image header before allocating memory in github.com/mattermost/mattermost-server","details":"Mattermost doesn't validate the TIFF IFD offset in the image header before allocating memory in github.com/mattermost/mattermost-server","aliases":["CVE-2026-5755","GHSA-37j2-3vv8-cf24"],"modified":"2026-07-07T16:00:21.667894114Z","published":"2026-07-07T15:26:32Z","database_specific":{"url":"https://pkg.go.dev/vuln/GO-2026-5835","review_status":"UNREVIEWED"},"references":[{"type":"ADVISORY","url":"https://github.com/advisories/GHSA-37j2-3vv8-cf24"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-5755"},{"type":"WEB","url":"https://github.com/mattermost/mattermost/commit/d37c2d9d50b50963dabd92153adf7ed52016769a"},{"type":"WEB","url":"https://mattermost.com/security-updates"}],"affected":[{"package":{"name":"github.com/mattermost/mattermost-server","ecosystem":"Go","purl":"pkg:golang/github.com/mattermost/mattermost-server"},"ranges":[{"type":"SEMVER","events":[{"introduced":"10.11.0+incompatible"},{"fixed":"10.11.15+incompatible"},{"introduced":"11.4.0+incompatible"},{"fixed":"11.4.5+incompatible"},{"introduced":"11.5.0+incompatible"},{"fixed":"11.5.4+incompatible"},{"introduced":"11.6.0+incompatible"},{"fixed":"11.6.1+incompatible"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://vuln.go.dev/ID/GO-2026-5835.json"}}],"schema_version":"1.7.5"}