CVE-2026-56367Low· 3.7▾ SunlitImageMagick: Integer Overflow in PSB (PSD v2) RLE decoding path causes heap Out of Bounds reads for 32-bit builds
▾ Sunlit zone — Low / medium · no exploitation signal
impact 20.4 · likelihood 0 · exploitation 0
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Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via GHSA
Last analysed / modified upstream
0.2%
An integer overflow in the PSB (PSD v2) RLE decoding path causes a heap out-of-bounds read on 32-bit builds. This can lead to information disclosure or a crash when processing crafted PSB files.
=================================================================
==3298==ERROR: AddressSanitizer: heap-buffer-overflow on address 0xf512eb00 at pc 0xf76760b5 bp 0xffc1dfb8 sp 0xffc1dfa8
READ of size 8 at 0xf512eb00 thread T0
#0 0xf76760b4 in ReadPSDChannelRLE coders/psd.c:1141
Magick.NET-Q16-AnyCPU < 14.10.3Magick.NET-Q16-HDRI-AnyCPU < 14.10.3Magick.NET-Q16-HDRI-OpenMP-arm64 < 14.10.3Magick.NET-Q16-HDRI-OpenMP-x64 < 14.10.3Magick.NET-Q16-HDRI-arm64 < 14.10.3Magick.NET-Q16-HDRI-x64 < 14.10.3Magick.NET-Q16-HDRI-x86 < 14.10.3Magick.NET-Q16-OpenMP-arm64 < 14.10.3Magick.NET-Q16-OpenMP-x64 < 14.10.3Magick.NET-Q16-OpenMP-x86 < 14.10.3Magick.NET-Q16-arm64 < 14.10.3Magick.NET-Q16-x64 < 14.10.3Magick.NET-Q16-x86 < 14.10.3Magick.NET-Q8-AnyCPU < 14.10.3Magick.NET-Q8-OpenMP-arm64 < 14.10.3Magick.NET-Q8-OpenMP-x64 < 14.10.3Magick.NET-Q8-arm64 < 14.10.3Magick.NET-Q8-x64 < 14.10.3Magick.NET-Q8-x86 < 14.10.3Upgrade to a patched release:
Magick.NET-Q16-AnyCPU 14.10.3Magick.NET-Q16-HDRI-AnyCPU 14.10.3Magick.NET-Q16-HDRI-OpenMP-arm64 14.10.3Magick.NET-Q16-HDRI-OpenMP-x64 14.10.3Magick.NET-Q16-HDRI-arm64 14.10.3Magick.NET-Q16-HDRI-x64 14.10.3Magick.NET-Q16-HDRI-x86 14.10.3Magick.NET-Q16-OpenMP-arm64 14.10.3Magick.NET-Q16-OpenMP-x64 14.10.3Magick.NET-Q16-OpenMP-x86 14.10.3Magick.NET-Q16-arm64 14.10.3Magick.NET-Q16-x64 14.10.3Magick.NET-Q16-x86 14.10.3Magick.NET-Q8-AnyCPU 14.10.3Magick.NET-Q8-OpenMP-arm64 14.10.3Magick.NET-Q8-OpenMP-x64 14.10.3Magick.NET-Q8-arm64 14.10.3Magick.NET-Q8-x64 14.10.3Magick.NET-Q8-x86 14.10.3Connected by shared product, vendor, weakness, or advisory.
GHSA-rg39-4fm5-hrp2Medium· 3.7Duplicate Advisory: ImageMagick: Integer Overflow in PSB (PSD v2) RLE decoding path causes heap Out of Bounds reads for 32-bit builds
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