1003 matches found
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...
JLSEC-2026-922 ImageMagick has Undefined Behavior (function-type-mismatch) in CloneSplayTree
Summary - Target: ImageMagick commit ecc9a5eb456747374bae8e07038ba10b3d8821b3 - Type: Undefined Behavior function-type-mismatch in splay tree cloning callback - Impact: Deterministic abort under UBSan DoS in sanitizer builds. No crash in a non-sanitized build; likely low security impact. - Trigge...
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-2026-924 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-2026-936
ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-13 and 6.9.13-38, a heap buffer overflow vulnerability in the XBM image decoder ReadXBMImage allows an attacker to write controlled data past the allocated heap buffer when...
JLSEC-2026-896
ImageMagick 7.1.0-27 is vulnerable to Buffer Overflow...
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-2026-846
In the CropImage and CropImageToTiles routines of MagickCore/transform.c, rounding calculations performed on unconstrained pixel offsets was causing undefined behavior in the form of integer overflow and out-of-range values as reported by UndefinedBehaviorSanitizer. Such issues could cause a...
JLSEC-2026-1005
ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to 7.1.2-21 and 6.9.13-46, a malicious MIFF file could trigger an overflow when a user opens it in the display tool and right-clicks a tile to invoke the Load / Update menu item. This vulnerabilit...
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-2026-962 ImageMagick has heap buffer overflow in YUV 4:2:2 decoder
A heap buffer overflow write vulnerability exists in ReadYUVImage coders/yuv.c when processing malicious YUV 4:2:2 NoInterlace images. The pixel-pair loop writes one pixel beyond the allocated row buffer. ================================================================= ==204642==ERROR:...
JLSEC-2026-863
A flaw was found in ImageMagick in MagickCore/segment.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. This would most likely lead to an impact to application availability, but could potentially cause...
JLSEC-2026-920
ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to version 7.1.2-1, when preparing to transform from Log to sRGB colorspaces, the logmap construction fails to handle cases where the reference-black or reference-white value is larger than 1024...
JLSEC-2026-921 imagemagick: integer overflows in MNG magnification
Vulnerability Details The magnified size calculations in ReadOneMNGIMage in coders/png.c are unsafe and can overflow, leading to memory corruption. The source snippet below is heavily abbreviated due to the size of the function, but hopefully the important points are captured. c static Image...
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-2026-876
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-2026-973 ImageMagick vulnerable to stack corruption through long morphology kernel names or arrays
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, a stack buffer overflow exists in ImageMagick's morphology kernel parsing functions. User-controlled kernel strings exceeding a buffer are copied into fixed-siz...
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-2026-873
A flaw was found in ImageMagick in MagickCore/quantum.h. 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, bu...
JLSEC-2026-928 ImageMagick CLAHE : Unsigned underflow and division-by-zero lead to OOB pointer arithmetic and process crash (DoS)
Summary A single root cause in the CLAHE implementation — tile width/height becoming zero — produces two distinct but related unsafe behaviors. Vulnerabilities exists in the CLAHEImage function of ImageMagick’s MagickCore/enhance.c. 1. Unsigned integer underflow → out-of-bounds pointer arithmetic...
JLSEC-2026-957 ImageMagick Has Signed Integer Overflow in SIXEL Decoder, Leading to Memory Corruption
A signed integer overflow vulnerability in ImageMagick's SIXEL decoder allows an attacker to trigger memory corruption and denial of service when processing a maliciously crafted SIXEL image file. The vulnerability occurs during buffer reallocation operations where pointer arithmetic using signed...
JLSEC-2026-834
In ImageMagick 7.0.8-43 Q16, there is a heap-based buffer over-read in the function WritePNGImage of coders/png.c, related to Magickpngwriterawprofile and LocaleNCompare...
JLSEC-2026-815
An issue was discovered in giflib through 5.1.4. DumpScreen2RGB in gif2rgb.c has a heap-based buffer over-read...
JLSEC-2026-818
giflib v5.2.1 was discovered to contain a segmentation fault via the component getarg.c...
JLSEC-2026-822
Buffer Overflow vulnerability in giflib v.5.2.2 allows a remote attacker to cause a denial of service via the EGifGCBToExtension overwriting an existing Graphic Control Extension block without validating its allocated size...
JLSEC-2026-819
Buffer Overflow vulnerability in GifLib Project GifLib v.5.2.1 allows a local attacker to obtain sensitive information via the DumpSCreen2RGB function in gif2rgb.c...
JLSEC-2026-821
Giflib contains a double-free vulnerability that is the result of a shallow copy in GifMakeSavedImage and incorrect error handling. The conditions needed to trigger this vulnerability are difficult but may be possible...
JLSEC-2026-807 Integer overflow in OpenEXR's `internal_dwa_compressor`
OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. In versions 3.4.0 through 3.4.9, 3.3.0 through 3.3.9, and 3.2.0 through 3.2.7, internaldwacompressor.h:1722 performs curc-width curc-height in int32...
JLSEC-2026-811 A malicious EXR file can trigger undefined behavior in OpenEXR
OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. From versions 3.0.0 to before 3.2.9, 3.3.0 to before 3.3.11, and 3.4.0 to before 3.4.11, readVariableLengthInteger decodes a variable-length integer fro...
JLSEC-2026-808 Integer overflow in OpenEXR's `internal_dwa_compressor`
OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. In versions 3.4.0 through 3.4.9, 3.3.0 through 3.3.9, and 3.2.0 through 3.2.7, internaldwacompressor.h:1040 performs chan-width chan-bytesperelement in...
JLSEC-2026-806 Reading malicious EXR files can cause out-of-bounds writes
OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. Versions 3.4.0 through 3.4.9 have a signed integer overflow vulnerability in OpenEXR's HTJ2K High-Throughput JPEG 2000 decompression path. The htundoimp...
JLSEC-2026-813 Crafted HTJ2K compressed EXR files can trigger out of bounds reads in OpenEXR
OpenEXR is the reference implementation and specification for the EXR image format, widely used in the motion picture industry. In versions 3.4.0 through 3.4.11, the HTJ2K High-Throughput JPEG 2000 decoder, htundoimpl in OpenEXRCore is vulnerable to a heap-buffer-overflow READ. The htundoimp...
JLSEC-2026-812 Heap buffer overflow when decoding a malicious HTJ2K-compressed EXR file
OpenEXR is the reference implementation and specification for the EXR image format, widely used in the motion picture industry. In versions 3.4.0 through 3.4.11, an integer overflow in htundoimpl in src/lib/OpenEXRCore/internalht.cpp leads to a heap-buffer overflow when decoding a crafted...
JLSEC-2026-805 Apache Arrow: Potential use-after-free when reading IPC file with pre-buffering
Use After Free vulnerability in Apache Arrow C++. This issue affects Apache Arrow C++ from 15.0.0 through 23.0.0. It can be triggered when reading an Arrow IPC file but not an IPC stream with pre-buffering enabled, if the IPC file contains data with variadic buffers such as Binary View and String...
JLSEC-2026-797 Windows IOCP lifetime bugs can corrupt memory during cancellation or shutdown
Reseau releases before 1.3.3 contain related lifetime defects in the Windows I/O completion port IOCP backend. During cancellation or event-loop shutdown, the package can stop retaining memory that the Windows kernel still owns. A remote peer that can time or stall I/O around application-driven...
JLSEC-2026-801 Native TLS accepts undersized or malformed RSA certificate public keys
Reseau 1.1.0 through 1.3.1 enforce an upper bound on RSA certificate keys but no minimum modulus size and no sanity checks on the public exponent. A certificate chain containing a factorable RSA key can therefore pass Reseau's key-strength checks. Impact Exploitation requires a weak RSA key to...
JLSEC-2026-798 TLS 1.3 KeyUpdate handling can race concurrent writes
Reseau 1.1.0 through 1.3.1 process a peer-requested TLS 1.3 KeyUpdateupdaterequested response from the read path without acquiring the connection's write lock. A connected peer can race that response against an application task writing on the same connection. Impact The two tasks can concurrently...
JLSEC-2026-803 Windows IOCP poller races unsynchronized registration tables
Reseau 1.0.0 through 1.3.1 access the Windows I/O completion port IOCP backend's registration dictionary and zombie vector concurrently from the poller and application threads without consistently taking the same lock. A remote peer can increase the likelihood of the race by driving connection...
JLSEC-2026-796 XSS via unescaped code-fence language in default code block renderer
Hugo is a static site generator. From 0.60.0 until 0.163.3, Hugo's default code-block renderer wrote the Markdown code-fence language or info-string into the code class="language-…" data-lang="…" wrapper without HTML escaping. A fence info-string containing a quote and a script payload breaks out...
JLSEC-2026-791 Writing to SFTP files resulting in sending out-of-bounds data to the server
Impact The write::SftpFile, ::DenseVector method assumed that the element type of the input vector had a size of 1 byte e.g. Int8/UInt8, and used lengthdata instead of sizeofdata to get the number of bytes to send. If the input vector had a eltype with size more than 1 byte then this would result...
JLSEC-2026-790 A malicious h.265 bitstream can cause integer overflow and out of bounds writes in libde265
libde265 is an open source implementation of the h.265 video codec. Prior to version 1.1.0, a crafted H.265 bitstream with large SPS dimensions and 16-bit bit depth causes a signed integer overflow in de265imagegetbuffer libde265/image.cc:128. The overflow wraps the plane allocation size to a sma...
JLSEC-2026-786 Integer overflow in gawk's `builtin.c` can cause buffer overflow and denial of service
Integer overflow vulnerability has been found in "builtin.c" program file of gawk. This issue may lead to memory exhaustion on the hosting operating system and could be used to overwrite gawk heap metadata and objects with attacker-controlled bytes. It affects gawk in versions 5.4.0 and below...
JLSEC-2026-788 Buffer overflow in gawk's `readdir.c` can cause denial of service and possible code execution
Buffer overflow vulnerability has been found in "extension/readdir.c" program file of gawk ftype routine. This issue could be used to crash the program and potentially to achieve code execution, although the latter has not been confirmed to be feasible. It affects gawk in versions 5.4.0 and below...
JLSEC-2026-787 Integer overflow in gawk's `do_sub()` can cause buffer overflow and denial of service
Integer overflow vulnerability has been found in "builtin.c" program file of gawk dosub routine. This issue could be used to overwrite gawk heap metadata and objects causing the program to crash. It affects 32-bit builds of gawk in versions 5.4.0 and below...
JLSEC-2026-782
A flaw was found in libssh. A remote attacker, by controlling client configuration files or knownhosts files, could craft specific hostnames that when processed by the matchpattern function can lead to inefficient regular expression backtracking. This can cause timeouts and resource exhaustion,...
JLSEC-2026-781
A flaw was found in libssh. The API function sshgethexa is vulnerable to a denial of service when processing zero-length input. This can be exploited remotely by an attacker during GSSAPI Generic Security Service Application Program Interface authentication if the server's logging verbosity is se...
JLSEC-2026-779
A malicious SCP server can send unexpected paths that could make the client application override local files outside of working directory. This could be misused to create malicious executable or configuration files and make the user execute them under specific consequences. This is the same issue...
JLSEC-2026-778
A flaw was found in libssh. This vulnerability allows local man-in-the-middle attacks, security downgrades of SSH Secure Shell connections, and manipulation of trusted host information, posing a significant risk to the confidentiality, integrity, and availability of SSH communications via an...
JLSEC-2026-783
A flaw was found in libssh in which a malicious SFTP SSH File Transfer Protocol server can exploit this by sending a malformed 'longname' field within an SSHFXPNAME message during a file listing operation. This missing null check can lead to reading beyond allocated memory on the heap. This can...