JLSEC-2026-870

A flaw was found in ImageMagick in coders/bmp.c. An attacker who submits a crafted file that is processed by ImageMagick could trigger undefined behavior in the form of values outside the range of type unsigned int. This would most likely lead to an impact to application availability, but could...

JLSEC-2026-906

A vulnerability was found in ImageMagick. This security flaw cause a remote code execution vulnerability in OpenBlob with --enable-pipes configured...

JLSEC-2026-1008 ImageMagick: Out-of-Bounds Read of a single byte in meta encoder

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 6.9.13-47 and 7.1.2-22, an off by one in the meta encoder could result in an out of bounds read of a single byte in the meta encoder. This issue has been patched in versions 6.9.13-47...

JLSEC-2026-1006 ImageMagick: Heap Buffer Over-Read in IPTC encoder

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 6.9.13-47 and 7.1.2-22, when writing an IPTC output file a malicious input file could cause an out of bounds read of a single byte. This issue has been patched in versions 6.9.13-47 an...

JLSEC-2026-918 ImageMagick has a Stack Buffer Overflow in image.c

Hi, we have found a stack buffer overflow and would like to report this issue. Could you confirm if this qualifies as a security vulnerability? I am happy to provide any additional information needed. Summary In ImageMagick's magick mogrify command, specifying multiple consecutive %d format...

JLSEC-2026-954 ImageMagick: Stack buffer overflow in FTXT reader via oversized integer field

Summary A stack-based buffer overflow exists in the ImageMagick FTXT image reader. A crafted FTXT file can cause out-of-bounds writes on the stack, leading to a crash. ================================================================= ==3537074==ERROR: AddressSanitizer: stack-buffer-overflow on...

JLSEC-2026-877

A divide-by-zero flaw was found in ImageMagick 6.9.11-57 and 7.0.10-57 in gem.c. This flaw allows an attacker who submits a crafted file that is processed by ImageMagick to trigger undefined behavior through a division by zero. The highest threat from this vulnerability is to system availability...

JLSEC-2026-938 ImageMagick has Possible Heap Information Disclosure in PSD ZIP Decompression

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-15 and 6.9.13-40, a heap information disclosure vulnerability exists in ImageMagick's PSD Adobe Photoshop format handler. When processing a maliciously crafted PSD file containin...

JLSEC-2026-943 ImageMagick has memory leak in msl encoder

Memory leak exists in coders/msl.c. In the WriteMSLImage function of the msl.c file, resources are allocated. But the function returns early without releasing these allocated resources. ==78983== Memcheck, a memory error detector ==78983== Copyright C 2002-2022, and GNU GPL'd, by Julian Seward et...

JLSEC-2026-955 ImageMagick: MSL attribute stack buffer overflow leads to out of bounds write.

A stack buffer overflow occurs when processing the an attribute in msl.c. A long value overflows a fixed-size stack buffer, leading to memory corruption. ================================================================= ==278522==ERROR: AddressSanitizer: stack-buffer-overflow on address...

JLSEC-2026-1069 ImageMagick before 7.1.2-26 (and 6.x before 6.9.13-51) contains a memory leak in the TIFF encoder...

ImageMagick before 7.1.2-26 and 6.x before 6.9.13-51 contains a memory leak in the TIFF encoder that occurs when a temporary file cannot be created, resulting in a small memory leak...

JLSEC-2026-1082

ImageMagick is free and open-source software used for editing and manipulating digital images. In versions prior to 7.1.2-27, the BGR decoder does not check for an end-of-file in every location so a crafted image could result in an heap buffer over-read. This issue has been fixed in version...

JLSEC-2026-886

A flaw was found in ImageMagick in versions before 7.0.11, where a division by zero in sRGBTransformImage in the MagickCore/colorspace.c may trigger undefined behavior via a crafted image file that is submitted by an attacker processed by an application using ImageMagick. The highest threat from...

JLSEC-2026-904

A stack-based buffer overflow issue was found in ImageMagick's coders/tiff.c. This flaw allows an attacker to trick the user into opening a specially crafted malicious tiff file, causing an application to crash, resulting in a denial of service...

JLSEC-2026-978 ImageMagick has stack write buffer overflow in MNG encoder

A stack buffer overflow vulnerability exists in the MNG encoder. There is a bounds checks missing that could corrupting the stack with attacker-controlled data. ==2265506==ERROR: AddressSanitizer: stack-buffer-overflow on address 0x7ffec4971310 at pc 0x55e671b8a072 bp 0x7ffec4970f70 sp...

JLSEC-2026-1026 ImageMagick: Policy Bypass in DCM decoder could result in image with invalid dimensions

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 6.9.13-48 and 7.1.2-24, a missing check in the DCM decoder could result in an image with invalid dimensions and that could cause crashes in other operation. This issue has been patched...

JLSEC-2026-881

A flaw was found in ImageMagick in MagickCore/visual-effects.c. An attacker who submits a crafted file that is processed by ImageMagick could trigger undefined behavior in the form of math division by zero. The highest threat from this vulnerability is to system availability...

JLSEC-2026-949 ImageMagick has Division-by-Zero in YUV sampling factor validation, which leads to crash

A logic error in YUV sampling factor validation allows an invalid sampling factor to bypass checks and trigger a division-by-zero during image loading, resulting in a reliable denial-of-service. coders/yuv.c:210:47: runtime error: division by zero AddressSanitizer:DEADLYSIGNAL...

JLSEC-2026-1037

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 6.9.13-51 and 7.1.2-26, a heap buffer overflow occurs in the MVG decoder that could result in an out of bounds write when processing a crafted image. This issue has been fixed in...

JLSEC-2026-987 ImageMagick has heap buffer overflow in WriteXWDImage due to CARD32 arithmetic overflow in bytes_per_line calculation

A 32-bit unsigned integer overflow in the XWD X Windows encoder can cause an undersized heap buffer allocation. When writing a extremely large image an out of bounds heap write can occur. ================================================================= ==741961==ERROR: AddressSanitizer:...

JLSEC-2026-972 ImageMagick has Integer Overflow leading to out of bounds write in SIXEL decoder

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-16, an integer overflow vulnerability exists in the SIXEL decoer. The vulnerability allows an attacker to perform an out of bounds via a specially crafted image. This vulnerabili...

JLSEC-2026-825

In coders/bmp.c in ImageMagick before 7.0.8-16, an input file can result in an infinite loop and hang, with high CPU and memory consumption. Remote attackers could leverage this vulnerability to cause a denial of service via a crafted file...

JLSEC-2026-1040 ImageMagick: Heap Buffer Over-Write in JP2 encoder when due to incorrect handling of arguments

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to version 7.1.2-26, an incorrect handling of arguments can cause a heap buffer over-write in the JP2 encoder. This issue has been fixed in version7.1.2-26...

JLSEC-2026-839

In ImageMagick before 7.0.8-25, a memory leak exists in WriteDIBImage in coders/dib.c...

JLSEC-2026-908

A heap-based buffer overflow vulnerability was found in coders/tiff.c in ImageMagick. This issue may allow a local attacker to trick the user into opening a specially crafted file, resulting in an application crash and denial of service...

JLSEC-2026-1002

ImageMagick is free and open-source software used for editing and manipulating digital images. Versions below both 7.1.2-19 and 6.9.13-44, contain a heap out-of-bounds write in the JP2 encoder with when a user specifies an invalid sampling index. This issue has been fixed in versions 6.9.13-44 an...

JLSEC-2026-914 In MIFF image processing in ImageMagick before 7.1.1-44, image depth is mishandled after...

In MIFF image processing in ImageMagick before 7.1.1-44, image depth is mishandled after SetQuantumFormat is used...

JLSEC-2026-1030 ImageMagick has a Use-After-Free when allocation in CheckPrimitiveExtent fails

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 6.9.13-50 and 7.1.2-25, when an allocation fails in CheckPrimitiveExtent this can result in a heap-use-after-free and result in a crash. This issue has been patched in versions 6.9.13-...

JLSEC-2026-923 ImageMagick affected by divide-by-zero in ThumbnailImage via montage -geometry ":" leads to crash

Summary Passing a geometry string containing only a colon ":" to montage -geometry leads GetGeometry to set width/height to 0. Later, ThumbnailImage divides by these zero dimensions, triggering a crash SIGFPE/abort, resulting in a denial of service. Details Root Cause 1. montage -geometry ":"...

JLSEC-2026-934 ImageMagick releases an invalid pointer in BilateralBlur when memory allocation fails

ImageMagick is free and open-source software used for editing and manipulating digital images. The BilateralBlurImage method will allocate a set of double buffers inside AcquireBilateralTLS. But, in versions prior to 7.1.2-13, the last element in the set is not properly initialized. This will...

JLSEC-2026-892

A heap-based-buffer-over-read flaw was found in ImageMagick's GetPixelAlpha function of 'pixel-accessor.h'. This vulnerability is triggered when an attacker passes a specially crafted Tagged Image File Format TIFF image to convert it into a PICON file format. This issue can potentially lead to a...

JLSEC-2026-994 ImageMagick has a heap overflow caused by integer overflow/wraparound in viff encoder on 32-bit builds

ImageMagick is free and open-source software used for editing and manipulating digital images. In versions below both 7.1.2-19 and 6.9.13-44, the viff encoder contains an integer truncation/wraparound issue on 32-bit builds that could trigger an out of bounds heap write, potentially causing a...

JLSEC-2026-1079 ImageMagick: Heap Buffer Over-Write in morphology operation when an invalid kernel is provided

ImageMagick is free and open-source software used for editing and manipulating digital images. In versions prior to 6.9.13-51 and 7.0.1-0 and above prior to 7.1.2-26, an invalid kernel can cause a heap buffer over-write when performing a morphology operation with a user supplied kernel. This issu...

JLSEC-2026-836

In ImageMagick before 7.0.8-25, a memory leak exists in WritePSDChannel in coders/psd.c...

JLSEC-2026-919 imagemagick: heap-buffer overflow read in MNG magnification with alpha

Vulnerability Details When performing image magnification in ReadOneMNGIMage in coders/png.c, there is an issue around the handling of images with separate alpha channels. When loading an image with a color type that implies a separate alpha channel ie. jngcolortype = 12, we will load the alpha...

JLSEC-2026-844

TIFFGetProfiles in /coders/tiff.c calls strstr which causes a large out-of-bounds read when it searches for "dc:format="image/dng" within profile due to improper string handling, when a crafted input file is provided to ImageMagick. The patch uses a StringInfo type instead of a raw C string to...

JLSEC-2026-940 ImageMagick: Infinite loop vulnerability when parsing a PCD file

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-15 and 6.9.13-40, when a PCD file does not contain a valid Sync marker, the DecodeImage function becomes trapped in an infinite loop while searching for the Sync marker, causing...

JLSEC-2026-997 ImageMagick has an out-of-bounds read in sample operation

ImageMagick is free and open-source software used for editing and manipulating digital images. In versions below both 7.1.2-19 and 6.9.13-44, the -sample operation has an out of bounds read when an specific offset is set through the sample:offset define that could lead to an out of bounds read...

JLSEC-2026-925 ImageMagick (WriteBMPImage): 32-bit integer overflow when writing BMP scanline stride → heap buffer overflow

Summary A 32-bit integer overflow in the BMP encoder’s scanline-stride computation collapses bytesperline stride to a tiny value while the per-row writer still emits 3 × width bytes for 24-bpp images. The row base pointer advances using the overflowed stride, so the first row immediately writes...

JLSEC-2026-912

A heap use-after-free flaw was found in coders/bmp.c in ImageMagick...

JLSEC-2026-1050 ImageMagick before 7.1.2-22 contains an information disclosure vulnerability in the...

ImageMagick before 7.1.2-22 contains an information disclosure vulnerability in the PasskeyEncipherImage method due to AES-CTR nonce reuse. Attackers can exploit nonce reuse in the cipher implementation to recover plaintext information from encrypted images...

JLSEC-2026-1011 ImageMagick: Policy Bypass in MNG coder could

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 6.9.13-47 and 7.1.2-22, because of a missing check in the MNG coder it would be possible to read more images than the list limit policy would allow resulting in excessive resource use...

JLSEC-2026-953 ImageMagick's Security Policy Bypass through config/policy-secure.xml via "fd handler" leads to stdin/stdout access

ImageMagick is free and open-source software used for editing and manipulating digital images. The shipped "secure" security policy includes a rule intended to prevent reading/writing from standard streams. However, ImageMagick also supports fd: pseudo-filenames e.g., fd:0, fd:1. Prior to version...

JLSEC-2026-835

In ImageMagick before 7.0.8-25, some memory leaks exist in DecodeImage in coders/pcd.c...

JLSEC-2026-942 ImageMagick: Possible memory leak in ASHLAR encoder

A memory leak in the ASHLAR image writer allows an attacker to exhaust process memory by providing a crafted image that results in small objects that are allocated but never freed. ==880062== Memcheck, a memory error detector ==880062== Copyright C 2002-2017, and GNU GPL'd, by Julian Seward et al...

JLSEC-2026-857

In IntensityCompare of /MagickCore/quantize.c, a double value was being casted to int and returned, which in some cases caused a value outside the range of type int to be returned. The flaw could be triggered by a crafted input file under certain conditions when processed by ImageMagick. Red Hat...

JLSEC-2026-854

In ParseMetaGeometry of MagickCore/geometry.c, image height and width calculations can lead to divide-by-zero conditions which also lead to undefined behavior. This flaw can be triggered by a crafted input file processed by ImageMagick and could impact application availability. The patch uses...

JLSEC-2026-1052 ImageMagick before 7.1.2-15 and 6.9.13-40 contains a memory leak in coders/txt.c when processing...

ImageMagick before 7.1.2-15 and 6.9.13-40 contains a memory leak in coders/txt.c when processing TXT files with texture attributes: the texture object allocated via ReadImage is not released when GetTypeMetrics fails, leaking memory each time a crafted TXT file with a texture attribute is process...

JLSEC-2026-945 ImageMagick has NULL pointer dereference in ReadSFWImage after DestroyImageInfo (sfw.c)

In ReadSFWImage coders/sfw.c, when temporary file creation fails, readinfo is destroyed before its filename member is accessed, causing a NULL pointer dereference and crash. AddressSanitizer:DEADLYSIGNAL ================================================================= ==1414421==ERROR:...

JLSEC-2026-1001

ImageMagick is free and open-source software used for editing and manipulating digital images. In versions below 7.1.2-19, the JXL encoder has an heap write overflow when a user specifies that the image should be encoded as 16 bit floats. This issue has been fixed in version 7.1.2-19...