CVE-2026-46521: medium-severity vulnerability in ImageMagick
ImageMagick: Heap Buffer Over-Write in MIFF encoder when using LZMA compression
Published · Updated
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13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 5.5epss 0.1%
ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 6.9.13-48 and 7.1.2-23, when using LZMA compression in the MIFF encoder an out of bounds write can occur due to a missing check. This issue has been patched in versions 6.9.13-48 and 7.1.2-23.
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Affected products
ImageMagick · ImageMagickRelated CVEs — ImageMagick
In the same product, most dangerous first.
CVE-2025-55298HIGHImageMagick Format String Bug in InterpretImageFilename leads to arbitrary code executionEPSS 4.7%CVE-2016-7523—CVE-2016-7523EPSS 2.7%CVE-2016-7524—CVE-2016-7524EPSS 2.2%CVE-2026-46522HIGHImageMagick: Infinite Loop in the MIFF decoder can lead to CPU exhaustionEPSS 1.8%CVE-2026-56379CRITICALImageMagick - Command Injection via SVG DecoderEPSS 1.6%CVE-2019-10131MEDIUMCVE-2019-10131EPSS 1.3%