JLSEC-2026-990 ImageMagick has a heap-buffer-overflow in NewXMLTree which could result in crash

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to 7.1.2-17 and 6.9.13-42, the NewXMLTree method contains a bug that could result in a crash due to an out of write bounds of a single zero byte. Versions 7.1.2-17 and 6.9.13-42 fix the issue...

JLSEC-2026-876

ImageMagick before 6.9.11-40 and 7.x before 7.0.10-40 mishandles the -authenticate option, which allows setting a password for password-protected PDF files. The user-controlled password was not properly escaped/sanitized and it was therefore possible to inject additional shell commands via...

JLSEC-2026-874

A flaw was found in ImageMagick in MagickCore/statistic.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 long. This would most likely lead to an impact to application availability,...

JLSEC-2026-977 ImageMagick has a Path Policy TOCTOU symlink race bypass

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-16 and 6.9.13-41, domain="path" authorization is checked before final file open/use. A symlink swap between check-time and use-time bypasses policy-denied read/write. This...

JLSEC-2026-887

A flaw was found in ImageMagick in versions 7.0.11, where an integer overflow in WriteTHUMBNAILImage of coders/thumbnail.c may trigger undefined behavior via a crafted image file that is submitted by an attacker and processed by an application using ImageMagick. The highest threat from this...

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-2026-984 ImageMagick has heap-based buffer overflow in UHDR encoder

A heap-based buffer overflow in the UHDR encoder can happen due to truncation of a value and it would allow an out of bounds write. ================================================================ ==2158399==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x521000039500 at pc...

JLSEC-2026-980

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-16 and 6.9.13-41, MAT decoder uses 32-bit arithmetic due to incorrect parenthesization resulting in a heap over-read. This vulnerability is fixed in 7.1.2-16 and 6.9.13-41...

JLSEC-2026-856

A flaw was found in ImageMagick in coders/txt.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 long long. This would most likely lead to an impact to application availability, but...

JLSEC-2026-847

In CatromWeights, MeshInterpolate, InterpolatePixelChannel, InterpolatePixelChannels, and InterpolatePixelInfo, which are all functions in /MagickCore/pixel.c, there were multiple unconstrained pixel offset calculations which were being used with the floor function. These calculations produced...

JLSEC-2026-860

A flaw was found in ImageMagick in coders/hdr.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 char. This would most likely lead to an impact to application availability, but could...

JLSEC-2026-832

ImageMagick before 7.0.8-55 has a use-after-free in DestroyStringInfo in MagickCore/string.c because the error manager is mishandled in coders/jpeg.c...

JLSEC-2026-911

ImageMagick before 6.9.12-91 allows attackers to cause a denial of service memory consumption in Magick::Draw...

JLSEC-2026-909

A heap-based buffer overflow issue was discovered in ImageMagick's ReadTIM2ImageData function in coders/tim2.c. A local attacker could trick the user in opening specially crafted file, triggering an out-of-bounds read error, allowing an application to crash, resulting in a denial of service...

JLSEC-2026-828

ImageMagick before 7.0.8-50 has an integer overflow vulnerability in the function TIFFSeekCustomStream in coders/tiff.c...

JLSEC-2026-836

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

JLSEC-2026-907

A vulnerability was found in ImageMagick. This security flaw causes a shell command injection vulnerability via video:vsync or video:pixel-format options in VIDEO encoding/decoding...

JLSEC-2026-926 ImageMagick BlobStream Forward-Seek Under-Allocation

Reporter: Lumina Mescuwa Product: ImageMagick 7 MagickCore Component: MagickCore/blob.c Blob I/O - BlobStream Tested: 7.1.2-0 source tag and 7.1.2-1 Homebrew, macOS arm64, clang-17, Q16-HDRI Impact: Heap out-of-bounds WRITE attacker-controlled bytes at attacker-chosen offset → memory corruption;...

JLSEC-2026-992 ImageMagick has an Out-of-bounds Write via InterpretImageFilename

Due to an incorrect return value on certain platforms a pointer is incremented past the end of a buffer that is on the stack and that could result in an out of bounds write. ================================================================= ==48558==ERROR: AddressSanitizer: stack-buffer-overflow o...

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-2026-999 ImageMagick has an integer overflow in despeckle operation causing a heap buffer overflow 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, an integer overflow in the despeckle operation causes a heap buffer overflow on 32-bit builds that will result in an out of bounds write. This issue has be...

JLSEC-2026-890

ImageMagick is free software delivered as a ready-to-run binary distribution or as source code that you may use, copy, modify, and distribute in both open and proprietary applications. In affected versions and in certain cases, Postscript files could be read and written when specifically excluded...

JLSEC-2026-991 ImageMagick has an Out-of-Bounds write of a zero byte in its X11 display interaction

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to 7.1.2-18 and 6.9.13-43, an out-of-bounds write of a zero byte exists in the X11 display interaction path that could lead to a crash. Versions 7.1.2-18 and 6.9.13-43 patch the issue...

JLSEC-2026-827

ImageMagick before 7.0.8-50 has a "use of uninitialized value" vulnerability in the function ReadCUTImage in coders/cut.c...

JLSEC-2026-924 ImageMagick has a Format String Bug in InterpretImageFilename leads to arbitrary code execution

Summary A format string bug vulnerability exists in InterpretImageFilename function where user input is directly passed to FormatLocaleString without proper sanitization. An attacker can overwrite arbitrary memory regions, enabling a wide range of attacks from heap overflow to remote code...

JLSEC-2026-893

A heap-use-after-free flaw was found in ImageMagick's RelinquishDCMInfo function of dcm.c file. This vulnerability is triggered when an attacker passes a specially crafted DICOM image file to ImageMagick for conversion, potentially leading to information disclosure and a denial of service...

JLSEC-2026-932 ImageMagick's failure to limit MVG mutual causes Stack Overflow

Summary Magick fails to check for circular references between two MVGs, leading to a stack overflow. Details After reading mvg1 using Magick, the following is displayed: ./magick -limit memory 2GiB -limit map 2GiB -limit disk 0 mvg:L1.mvg out.png AddressSanitizer:DEADLYSIGNAL...

JLSEC-2026-935 ImageMagick MSL: Stack overflow via infinite recursion in ProcessMSLScript

Summary Stack overflow via infinite recursion in MSL Magick Scripting Language command when writing to MSL format. Version - ImageMagick 7.x tested on current main branch - Commit: HEAD - Requires: libxml2 support for MSL parsing Steps to Reproduce Method 1: Using ImageMagick directly bash magick...

JLSEC-2026-1025 ImageMagick has a Heap Buffer Over-Write in MAT decoder on 32-bit systems

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 of a return value could lead to a heap buffer over-write in the MAT decoder on 32-bit systems. This issue has been patched in versions 6.9.13-48...

JLSEC-2026-1042 ImageMagick before 7.1.2-19 contains an off-by-one error in morphology validation allowing out-of...

ImageMagick before 7.1.2-19 contains an off-by-one error in morphology validation allowing out-of-bounds heap buffer reads. Attackers can trigger heap buffer overflow by providing incorrect morphology parameters causing single pixel memory access violations...

JLSEC-2026-1033 ImageMagick has a Heap Buffer Over-Write in SF3 encoder when writing multi-frame image

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to version 7.1.2-25, a crafted multi-frame can result in a heap buffer over-write when encoding it with the SF3 encoder. This issue has been patched in version 7.1.2-25...

JLSEC-2026-829

ImageMagick before 7.0.8-50 has a memory leak vulnerability in the function ReadPSImage in coders/ps.c...

JLSEC-2026-913

ImageMagick is a free and open-source software suite, used for editing and manipulating digital images. The AppImage version ImageMagick might use an empty path when setting MAGICKCONFIGUREPATH and LDLIBRARYPATH environment variables while executing, which might lead to arbitrary code execution b...

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-2026-844

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-2026-937 ImageMagick has a NULL pointer dereference in MSL parser via <comment> tag before image load

Summary NULL pointer dereference in MSL Magick Scripting Language parser when processing tag before any image is loaded. Version - ImageMagick 7.x tested on current main branch - Commit: HEAD Steps to Reproduce Method 1: Using ImageMagick directly bash magick MSL:poc.msl out.png Method 2: Using...

JLSEC-2026-835

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

JLSEC-2026-1059 ImageMagick before 7.1.2-15 (and 6.x before 6.9.13-40) contains a heap out-of-bounds read in the...

ImageMagick before 7.1.2-15 and 6.x before 6.9.13-40 contains a heap out-of-bounds read in the PCD coder's DecodeImage loop. A crafted PCD file can trigger a one-byte heap out-of-bounds read during image decoding, resulting in denial of service and potential disclosure of an adjacent heap byte...

JLSEC-2026-897

A heap buffer overflow issue was found in ImageMagick. When an application processes a malformed TIFF file, it could lead to undefined behavior or a crash causing a denial of service...

JLSEC-2026-1027 ImageMagick: Policy Bypass can read disallowed files via symlink

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, an incorrect parsing of the filename can result in a policy bypass and read files disallowed by a security policy using a symlink. This issue has been patched i...

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-2026-892

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-2026-983 ImageMagick has stack buffer overflow in MagnifyImage

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-16 and 6.9.13-41, MagnifyImage uses a fixed-size stack buffer. When using a specific image it is possible to overflow this buffer and corrupt the stack. This vulnerability is fix...

JLSEC-2026-927 ImageMagick has Integer Overflow in BMP Decoder (ReadBMP)

Summary CVE-2025-57803 claims to be patched in ImageMagick 7.1.2-2, but the fix is incomplete and ineffective. The latest version 7.1.2-5 remains vulnerable to the same integer overflow attack. The patch added BMPOverflowCheck but placed it after the overflow occurs, making it useless. A maliciou...

JLSEC-2026-902

A heap-based buffer overflow issue was discovered in ImageMagick's ImportMultiSpectralQuantum function in MagickCore/quantum-import.c. An attacker could pass specially crafted file to convert, triggering an out-of-bounds read error, allowing an application to crash, resulting in a denial of servi...

JLSEC-2026-879

A flaw was found in ImageMagick in coders/jp2.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-2026-877

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-2026-838

In ImageMagick before 7.0.8-25 and GraphicsMagick through 1.3.31, several memory leaks exist in WritePDFImage in coders/pdf.c...

JLSEC-2026-868

Due to a missing check for 0 value of replaceextent, it is possible for offset p to overflow in SubstituteString, causing potential impact to application availability. This could be triggered by a crafted input file that is processed by ImageMagick. This flaw affects ImageMagick versions prior to...

JLSEC-2026-884

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...