CVE-2026-46521
ImageMagick: Heap Buffer Over-Write in MIFF encoder when using LZMA compression
Vexday Risk Score
13Low
SSVC decision (CISA)
Track
No exploitation signal → monitor
CVSS 5.5EPSS 0.1%KEV nãoPoC —Nuclei —Metasploit —Patch —
Lifecycle
10 Jun 2026Published on NVD
Recommendation: Monitor — no exploitation signal at the moment.
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 · ImageMagickWant to know if your infrastructure is exposed to this?
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