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PT-2026-42751

🗓️ 22 May 2026 00:00:00Reported by Positive TechnologiesType 
ptsecurity
 ptsecurity
🔗 dbugs.ptsecurity.com👁 5 Views

Mattermost fails to validate TIFF IFD offset, enabling uploads or postings to cause denial of service.

Related
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-5755
22 May 202610:18
attackerkb
CNNVD
Mattermost 安全漏洞
22 May 202600:00
cnnvd
CVE
CVE-2026-5755
22 May 202610:18
cve
Cvelist
CVE-2026-5755 Denial of service via crafted TIFF file upload
22 May 202610:18
cvelist
EUVD
EUVD-2026-31427
22 May 202610:18
euvd
NVD
CVE-2026-5755
22 May 202611:16
nvd
Vulnrichment
CVE-2026-5755 Denial of service via crafted TIFF file upload
22 May 202610:18
vulnrichment

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22 May 2026 00:00Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.16.5
EPSS0.00038
SSVC
5