1717 matches found
JLSEC-2026-1088 libssh2 through 1.11.1, fixed in commit 42e33d8, contains a pre-authentication heap buffer...
libssh2 through 1.11.1, fixed in commit 42e33d8, contains a pre-authentication heap buffer overflow vulnerability that allows a malicious SSH server to corrupt heap metadata in any connecting client by sending a packet with a packetlength smaller than the cipher's block size during Encrypt-then-M...
JLSEC-2026-1086 libssh2 through 1.11.1, fixed in commit a2ed82d, contains a pre-authentication integer underflow...
libssh2 through 1.11.1, fixed in commit a2ed82d, contains a pre-authentication integer underflow vulnerability in the ssh2ciphercrypt function in src/openssl.c that allows a malicious SSH server to crash any connecting client by negotiating AES-GCM ciphers during handshake. Attackers can exploit...
JLSEC-2026-1085 libssh2 through 1.11.1, fixed in commit 5e47761, contains a double-free vulnerability in the...
libssh2 through 1.11.1, fixed in commit 5e47761, contains a double-free vulnerability in the sftpopen function in src/sftp.c that allows a malicious SSH server to corrupt the heap of any authenticated client opening an SFTP session. When a server responds to SSHFXPOPEN with SSHFXPSTATUS containin...
JLSEC-2026-1084 CMS (Cryptographic Message Syntax) parsing in gpgsm in GnuPG through 2.5.20 mishandles the CMS...
CMS Cryptographic Message Syntax parsing in gpgsm in GnuPG through 2.5.20 mishandles the CMS format for AES-GCM because aes-ICVlen is supposed to be 12 bytes but 4 bytes is accepted. NOTE: this is related to CVE-2026-34182...
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-2026-927 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-2026-968 ImageMagick: Heap overflow in pcd decoder leads to out of bounds read.
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, ImageMagick lacks proper boundary checking when processing Huffman-coded data from PCD Photo CD files. The decoder contains an function that has an incorrect...
JLSEC-2026-975 ImageMagick has Heap Use-After-Free in ImageMagick MSL decoder
A heap use-after-free vulnerability in ImageMagick's MSL decoder allows an attacker to trigger access to freed memory by crafting an MSL file. ================================================================= ==1500633==ERROR: AddressSanitizer: heap-use-after-free on address 0x527000011550 at pc...
JLSEC-2026-1061 ImageMagick before 7.1.2-26 and 6.9.13-51 contains a heap-based buffer over-write vulnerability...
ImageMagick before 7.1.2-26 and 6.9.13-51 contains a heap-based buffer over-write vulnerability that occurs when running an X11 import with a crafted window title, which can result in heap memory corruption and denial of service...
JLSEC-2026-1070 ImageMagick before 7.1.2-26 and 6.9.13-51 contains a memory leak in color transformation to the...
ImageMagick before 7.1.2-26 and 6.9.13-51 contains a memory leak in color transformation to the log colorspace: when the operation fails, a small amount of memory is not released...
JLSEC-2026-1062 ImageMagick before 7.1.2-26 and 6.9.13-51 is missing a check for the allowed memory allocation...
ImageMagick before 7.1.2-26 and 6.9.13-51 is missing a check for the allowed memory allocation limit in matrix-backed operations such as -canny. An attacker can supply a crafted image that causes ImageMagick to allocate more memory than permitted by the configured policy, resulting in a denial of...
JLSEC-2026-896
ImageMagick 7.1.0-27 is vulnerable to Buffer Overflow...
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-2026-946 ImageMagick has memory leak of watermark Image object in ReadSTEGANOImage on multiple error/early-return paths
Summary In ReadSTEGANOImage coders/stegano.c, the watermark Image object is not freed on three early-return paths, resulting in a definite memory leak 13.5KB+ per invocation that can be exploited for denial of service. Direct leak of 13512 bytes in 1 objects allocated from: 0 0x7f5c11e27887 in...
JLSEC-2026-891
A flaw was found in ImageMagick. The vulnerability occurs due to improper use of open functions and leads to a denial of service. This flaw allows an attacker to crash the system...
JLSEC-2026-889
A NULL pointer dereference flaw was found in ImageMagick in versions prior to 7.0.10-31 in ReadSVGImage in coders/svg.c. This issue is due to not checking the return value from libxml2's xmlCreatePushParserCtxt and uses the value directly, which leads to a crash and segmentation fault...
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-2026-923 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-2026-905
A vulnerability was found in ImageMagick. This security flaw ouccers as an undefined behaviors of casting double to sizet in svg, mvg and other coders recurring bugs of CVE-2022-32546...
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-2026-994 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-2026-1002
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-2026-997 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-2026-971 ImageMagick has a heap Buffer Over-read in its DJVU image format handler
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 buffer over-read vulnerability exists in the DJVU image format handler. The vulnerability occurs due to integer truncation when calculating the stride ro...
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-2026-1015 ImageMagick: Use-After-Free in MSL decoder.
ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2.23 and 6.9.13-48, a crafted MSL image can trigger a heap-use-after-free. Versions 7.1.2.23 and 6.9.13-48 fix the issue...
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-2026-912
A heap use-after-free flaw was found in coders/bmp.c in ImageMagick...
JLSEC-2026-833
In ImageMagick before 7.0.8-62, TraceBezier in MagickCore/draw.c has a use-after-free...
JLSEC-2026-835
In ImageMagick before 7.0.8-25, some memory leaks exist in DecodeImage in coders/pcd.c...
JLSEC-2026-1072 ImageMagick before 7.1.2-26 contains a memory leak vulnerability in the JNG encoder when a blob...
ImageMagick before 7.1.2-26 contains a memory leak vulnerability in the JNG encoder when a blob cannot be opened. Attackers can trigger the memory leak by providing malformed JNG files that fail blob operations, causing resource exhaustion...
JLSEC-2026-947 ImageMagick: Code Injection via PostScript header in ps coders
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, the ps coders, responsible for writing PostScript files, fails to sanitize the input before writing it into the PostScript header. An attacker can provide a...
JLSEC-2026-1016 ImageMagick: Stack overflow in fx operation
ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to version 7.1.2-23, due to a missing depth check a stack overflow can occur in the fx operation by passing a crafted argument. This issue has been patched in version 7.1.2-23...
JLSEC-2026-883
A flaw was found in ImageMagick in MagickCore/resample.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-2026-970 ImageMagick: Heap Buffer Over-read in WaveletDenoise when processing small images
A heap buffer over-read vulnerability occurs when processing an image with small dimension using the -wavelet-denoise operator. ==3693336==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x511000001280 at pc 0x5602c8b0cc75 bp 0x7ffcb105d510 sp 0x7ffcb105d500 READ of size 4 at...
JLSEC-2026-1028 ImageMagick: Policy Bypass can Trigger an Out-of-Memory condition
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, a missing check for maximum memory request in AcquireAlignedMemory could trigger an out-of-Memory condition. This issue has been patched in versions 6.9.13-50 a...
JLSEC-2026-864
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-2026-854
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-2026-1049
ImageMagick before 7.1.2-15 contains a memory leak vulnerability in multiple coders that write raw pixel data where allocated objects are not properly freed. Attackers can trigger this leak by processing specially crafted images, causing memory exhaustion and denial of service...
JLSEC-2026-1020 ImageMagick: Information Disclosure in distributed pixel cache server because it is not using a challenge–response authentication model
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, the distributed pixel cache was originally designed to operate without a challenge–response authentication model. This has been changed in versions 6.9.13-48 an...
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-2026-961 ImageMagick: Memory allocation with excessive without limits in the internal SVG decoder
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 crafted SVG file containing an malicious element causes ImageMagick to attempt to allocate 674 GB of memory, leading to an out-of-memory abort. Versions...
JLSEC-2026-899
A vulnerability was found in ImageMagick, causing an outside the range of representable values of type 'unsigned long' at coders/pcl.c, when crafted or untrusted input is processed. This leads to a negative impact to application availability or other problems related to undefined behavior...
JLSEC-2026-900
In ImageMagick, there is load of misaligned address for type 'double', which requires 8 byte alignment and for type 'float', which requires 4 byte alignment at MagickCore/property.c. Whenever crafted or untrusted input is processed by ImageMagick, this causes a negative impact to application...
JLSEC-2026-1029 ImageMagick has out-of-bounds write in ICON decoder due to incorrect loop
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, an incorrect loop in the ICON decoder can result in an out of bounds heap write resulting in a crash. This issue has been patched in versions 6.9.13-50 and...
JLSEC-2026-823
In ImageMagick before 7.0.8-8, a NULL pointer dereference exists in the CheckEventLogging function in MagickCore/log.c...
JLSEC-2026-960 ImageMagick has Use After Free in MSLStartElement in "coders/msl.c"
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 crafted MSL script triggers a heap-use-after-free. The operation element handler replaces and frees the image while the parser continues reading from it,...
JLSEC-2026-842
The PALM image coder at coders/palm.c makes an improper call to AcquireQuantumMemory in routine WritePALMImage because it needs to be offset by 256. This can cause a out-of-bounds read later on in the routine. The patch adds 256 to bytesperrow in the call to AcquireQuantumMemory. This could cause...
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...