JLSEC-2026-1125

NATS-Server is a High-Performance server for NATS.io, a cloud and edge native messaging system. Prior to versions 2.11.15 and 2.12.6, when using ACLs on message subjects, these ACLs were not applied in the $MQTT. namespace, allowing MQTT clients to bypass ACL checks for MQTT subjects. Versions...

JLSEC-2026-1106

In LibRaw, there is a memory corruption vulnerability within the "crxFreeSubbandData" function libraw\src\decoders\crx.cpp when processing cr3 files...

JLSEC-2026-1102

In LibRaw, there is an out-of-bounds write vulnerability within the "newnode" function libraw\src\x3f\x3futilspatched.cpp that can be triggered via a crafted X3F file...

JLSEC-2026-1105

In LibRaw, an out-of-bounds read vulnerability exists within the "LibRaw::adobecopypixel" function libraw\src\decoders\dng.cpp when reading data from the image file...

JLSEC-2026-1112 In LibRaw before 0.21.4, tag 0x412 processing in phase_one_correct in decoders/load_mfbacks.cpp...

In LibRaw before 0.21.4, tag 0x412 processing in phaseonecorrect in decoders/loadmfbacks.cpp does not enforce minimum w0 and w1 values...

JLSEC-2026-1095

libheif is a HEIF and AVIF file format decoder and encoder. In versions 1.19.0 through 1.21.2, a crafted HEIF file uncompressed unci codec, tiled, component-interleaved, 4:2:0 triggers a heap out-of-bounds write in libheif's uncompressed tile decoder. The write overwrites the C++ vtable pointer o...

JLSEC-2026-1100

libheif is a HEIF and AVIF file format decoder and encoder. In versions 1.21.2 and prior, the inline mask parsing code in libheif/region.cc contains an integer overflow. Both width and height are unsigned int 32-bit values parsed from the HEIF file. Their product can exceed UINT32MAX, wrapping to...

JLSEC-2026-1099

libheif is a HEIF and AVIF file format decoder and encoder. Versions prior to 1.22.0 crashes in the public C API heifimagehandlegetimagetiling when a malformed uncompressed HEIF image item has an associated uncC property but no associated ispe property. In debug builds this trips the ispe && uncC...

JLSEC-2026-1101

libheif is a HEIF and AVIF file format decoder and encoder. Prior to version 1.22.1, the uncompressed HEIF decoder validates explicit icef compressed-unit offsets using unitoffset + unitsize. Because the addition can wrap, a crafted HEIF file can pass the range check and then construct a vector...

JLSEC-2026-1089

chafa: NULL Pointer Dereference in function gifinternaldecodeframe at libnsgif.c:599 allows attackers to cause a denial of service crash via a crafted input file. in GitHub repository hpjansson/chafa prior to 1.10.2. chafa: NULL Pointer Dereference in function gifinternaldecodeframe at...

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-2026-843

There are 4 places in HistogramCompare in MagickCore/histogram.c where an integer overflow is possible during simple math calculations. This occurs in the rgb values and count value for a color. The patch uses casts to ssizet type for these calculations, instead of int. This flaw could impact...

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-2026-1045 ImageMagick before 7.1.2-13 contains a memory leak vulnerability in LoadOpenCLDeviceBenchmark()...

ImageMagick before 7.1.2-13 contains a memory leak vulnerability in LoadOpenCLDeviceBenchmark function when parsing malformed OpenCL device profile XML files with unclosed device elements. Attackers with write access to the OpenCL cache directory can place malicious XML files to exhaust memory an...

JLSEC-2026-1083 ImageMagick before 7.1.2-27 contains a memory leak vulnerability in the magick command-line...

ImageMagick before 7.1.2-27 contains a memory leak vulnerability in the magick command-line interface when invalid options are provided. Attackers can trigger memory exhaustion by repeatedly supplying malformed command-line arguments to consume system resources...

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-2026-908

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-2026-868

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-2026-883

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-2026-1034

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, an integer overflow in the XCF decoder can result in an out of bounds read when a crafted image is read, potentially resulting in a crash. This issue has been...

JLSEC-2026-1035 ImageMagick: Information Disclosure in MNG decoder because allocated memory is left unchanged

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, the MNG decoder contains a possible heap information disclosure vulnerability because part of the pixels are left unchanged. This issue has been fixed in versio...

JLSEC-2026-944 ImageMagick has heap-buffer-overflow via signed integer overflow in WriteUHDRImage when writing UHDR images with large dimensions

WriteUHDRImage in coders/uhdr.c uses int arithmetic to compute the pixel buffer size. When image dimensions are large, the multiplication overflows 32-bit int, causing an undersized heap allocation followed by an out-of-bounds write. This can crash the process or potentially lead to an out of...

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-2026-956 Image Magick has a Memory Leak in coders/ashlar.c

Memory leak exists in coders/ashlar.c. The WriteASHLARImage allocates a structure. However, when an exception is thrown, the allocated memory is not properly released, resulting in a potential memory leak. ==78968== Memcheck, a memory error detector ==78968== Copyright C 2002-2022, and GNU GPL'd,...

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-2026-1047 ImageMagick before 7.1.2-18 contains a memory leak vulnerability in the META reader when...

ImageMagick before 7.1.2-18 contains a memory leak vulnerability in the META reader when processing APP1JPEG input paths. Attackers can trigger this memory leak by providing specially crafted APP1JPEG image files, causing denial of service through resource exhaustion...

JLSEC-2026-840

A call to ConformPixelInfo in the SetImageAlphaChannel routine of /MagickCore/channel.c caused a subsequent heap-use-after-free or heap-buffer-overflow READ when GetPixelRed or GetPixelBlue was called. This could occur if an attacker is able to submit a malicious image file to be processed by...

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-2026-853

in SetImageExtent of /MagickCore/image.c, an incorrect image depth size can cause a memory leak because the code which checks for the proper image depth size does not reset the size in the event there is an invalid size. The patch resets the depth to a proper size before throwing an exception. Th...

JLSEC-2026-1064 ImageMagick before 7.1.2-26 contains a policy bypass vulnerability in the APNG encoder and...

ImageMagick before 7.1.2-26 contains a policy bypass vulnerability in the APNG encoder and external delegates due to missing validation checks. Attackers can write files to disallowed paths by bypassing configured policy restrictions through the APNG encoding process...

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-2026-820

Giflib Project v5.2.2 is vulnerable to a heap buffer overflow via gif2rgb...

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-2026-793 Hugo's Node tool execution allows file system access outside the project directory

Impact When building a Hugo site that uses Node-based asset pipelines PostCSS, Babel, TailwindCSS, Hugo invoked the configured Node tools without restrictions on file system access. As a result, executing hugo against an untrusted site could allow code running through these tools to read or write...

JLSEC-2026-789 A malicious h.265 bitstream can cause an out-of-bounds write in libde265

libde265 is an open source implementation of the h.265 video codec. Prior to version 1.0.20, a crafted H.265 bitstream can cause an out-of-bounds array write in decodercontext::processreferencepictureset libde265/decctx.cc:1376. The root cause is a missing aggregate bound check on predicted...

JLSEC-2026-770 OSGeo GDAL vulnerable to out-of-bounds read

A weakness has been identified in OSGeo gdal up to 3.13.0dev-4. The affected element is the function GDfieldinfo of the file frmts/hdf4/hdf-eos/GDapi.c. Executing a manipulation can lead to out-of-bounds read. The attack needs to be launched locally. The exploit has been made available to the...

JLSEC-2026-759

iperf3 before 3.14 allows peers to cause an integer overflow and heap corruption via a crafted length field...

JLSEC-2026-680 Remotely executed SEGV and out of bounds read allows malicious packet sender to crash or cause an...

Remotely executed SEGV and out of bounds read allows malicious packet sender to crash or cause an out of bounds read via sending a malformed packet with the correct length...

JLSEC-2026-708

Heap Overflow in TLS 1.3 ECH parsing. An integer underflow existed in ECH extension parsing logic when calculating a buffer length, which resulted in writing beyond the bounds of an allocated buffer. Note that in wolfSSL, ECH is off by default, and the ECH standard is still evolving...

JLSEC-2026-662 libssh2 through 1.11.1 reads an attacker-controlled 32-bit attribute count from a...

libssh2 through 1.11.1 reads an attacker-controlled 32-bit attribute count from a publickey-subsystem response and uses it in the allocation numattrs sizeoflibssh2publickeyattribute without bounds checking, so on 32-bit platforms the multiplication overflows to an undersized buffer. A malicious S...

JLSEC-2026-659 libssh2 through 1.11.1, fixed in commit 2dae302, contains an out-of-bounds heap read vulnerability...

libssh2 through 1.11.1, fixed in commit 2dae302, contains an out-of-bounds heap read vulnerability in the sftpsymlink function in src/sftp.c that allows a malicious SSH server or man-in-the-middle attacker to disclose heap memory contents or cause a crash by sending a crafted SSHFXPNAME response...

JLSEC-2026-661 libssh2 through 1.11.1, fixed in commit 7acf3df contains an out-of-bounds write vulnerability in...

libssh2 through 1.11.1, fixed in commit 7acf3df contains an out-of-bounds write vulnerability in ssh2transportread that fails to enforce upper bounds on packetlength field. Remote attackers can send crafted SSH packets with excessively large packetlength values to corrupt heap memory and achieve...

JLSEC-2026-649

An out-of-bounds read in the readglobalparam function libavcodec/av1dec.c of FFmpeg v8.0.1 allows attackers to cause a Denial of Service DoS via a crafted input...

JLSEC-2026-630 Rsync version 3.4.2 and prior contain symlink race condition vulnerabilities in path-based system...

Rsync version 3.4.2 and prior contain symlink race condition vulnerabilities in path-based system calls including chmod, lchown, utimes, rename, unlink, mkdir, symlink, mknod, link, rmdir, and lstat that allow local attackers to redirect operations to files outside the exported rsync module...

JLSEC-2026-504

The parsing component in LibSass through 3.5.5 allows attackers to cause a denial-of-service uncontrolled recursion in Sass::Parser::parsecssvariablevalue in parser.cpp...

JLSEC-2026-449

Buffer Overflow vulnerability in postprocessterminfo function in tinfo/parseentry.c:997 in ncurses 6.1 allows remote attackers to cause a denial of service via crafted command...

JLSEC-2026-388

A insufficiently protected credentials vulnerability in fixed in curl 7.83.0 might leak authentication or cookie header data on HTTP redirects to the same host but another port number...

JLSEC-2026-422 When libcurl is asked to perform automatic gzip decompression of content-encoded HTTP responses with...

When libcurl is asked to perform automatic gzip decompression of content-encoded HTTP responses with the CURLOPTACCEPTENCODING option, using zlib 1.2.0.3 or older, an attacker-controlled integer overflow would make libcurl perform a buffer overflow...

JLSEC-2026-414 When a protocol selection parameter option disables all protocols without adding any then the...

When a protocol selection parameter option disables all protocols without adding any then the default set of protocols would remain in the allowed set due to an error in the logic for removing protocols. The below command would perform a request to curl.se with a plaintext protocol which has been...

JLSEC-2026-434 Due to a mistake in libcurl's WebSocket code, a malicious server can send a particularly crafted...

Due to a mistake in libcurl's WebSocket code, a malicious server can send a particularly crafted packet which makes libcurl get trapped in an endless busy-loop. There is no other way for the application to escape or exit this loop other than killing the thread/process. This might be used to DoS...