CVE-2020-23894

MediumCVSS 5.5/10Last 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.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-787

Affected software

VendorProductVersions
n/an/an/a

References

Timeline

Published
Nov 10, 2021
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2020

CVE-2020-238955.5A User Mode Write AV in Editor+0x76af of WildBit Viewer v6.6 allows attackers to cause a denial of service (DoS) via a crafted tiff file.CVE-2020-238965.5A User Mode Write AV in Editor+0x576b of WildBit Viewer v6.6 allows attackers to cause a denial of service (DoS) via a crafted tiff file.CVE-2020-238975.5A User Mode Write AV in Editor!TMethodImplementationIntercept+0x54dcec of WildBit Viewer v6.6 allows attackers to cause a denial of service CVE-2020-238985.5A User Mode Write AV in Editor+0x5ea2 of WildBit Viewer v6.6 allows attackers to cause a denial of service (DoS) via a crafted tga file.CVE-2020-238995.5A User Mode Write AV in Editor+0x5f91 of WildBit Viewer v6.6 allows attackers to cause a denial of service (DoS) via a crafted tga file.CVE-2020-239005.5A buffer overflow in WildBit Viewer v6.6 allows attackers to cause a denial of service (DoS) via a crafted tga file. Related to Data from FaCVE-2020-239015.5A User Mode Write AV in Editor+0x5d15 of WildBit Viewer v6.6 allows attackers to cause a denial of service (DoS) via a crafted tga file.CVE-2020-239025.5A buffer overflow in WildBit Viewer v6.6 allows attackers to cause a denial of service (DoS) via a crafted tga file. Related to Data from FaCVE-2020-239035.5A Divide by Zero vulnerability in the function static int read_samples of Speex v1.2 allows attackers to cause a denial of service (DoS) viaCVE-2020-239045.5A stack buffer overflow in speexenc.c of Speex v1.2 allows attackers to cause a denial of service (DoS) via a crafted WAV file. NOTE: the veCVE-2020-239065.5FFmpeg N-98388-g76a3ee996b allows attackers to cause a denial of service (DoS) via a crafted audio file due to insufficient verification of CVE-2020-239079.8An issue was discovered in retdec v3.3. In function canSplitFunctionOn() of ir_modifications.cpp, there is a possible out of bounds read due
CVE-2020-23894: Medium severity, CVSS 5.5 | Vulnix