AUGUST 4, 2026
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Case File

CVE-2021-20309

HIGH · CVSS 7.5 EPSS 2.31%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-05-11 · Last synced 2026-08-04

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CVE
CVE-2021-20309
Severity
HIGH
CVSS
7.5
EPSS
2.31%

Original NVD Description

A flaw was found in ImageMagick in versions before 7.0.11 and before 6.9.12, where a division by zero in WaveImage() of MagickCore/visual-effects.c may trigger undefined behavior via a crafted image file submitted to an application using ImageMagick. The highest threat from this vulnerability is to system availability.