CVE-2020-23894

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CVSS 3.1

5.5 medium

EPSS

<1%p45

Published

Nov 10, 2021 (Nov 10, 2021)

Modified

Jun 17, 2026

Description

A User Mode Write AV in ntdll!RtlpCoalesceFreeBlocks+0x268 of WildBit Viewer v6.6 allows attackers to cause a denial of service (DoS) via a crafted tiff file.

Vendors: wildbit-soft
Products: wildbit viewer
Weakness: CWE-787
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (0.6%)

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