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-2026-886

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-2026-909

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-2026-952 ImageMagick: Policy bypass through path traversal allows reading restricted content despite secured policy

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’s path security policy is enforced on the raw filename string before the filesystem resolves it. As a result, a policy rule such as /etc/ can 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-2026-872

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 a too large shift for 64-bit type ssizet. This would most likely lead to an impact to application availability, but...

JLSEC-2026-931 ImageMagick's failure to limit the depth of SVG file reads caused a DoS attack

Summary Using Magick to read a malicious SVG file resulted in a DoS attack. Details bt obtained using gdb: 4 0x0000555555794c9c in ResizeMagickMemory memory=0x7fffee203800, size=391344 at MagickCore/memory.c:1443 5 0x0000555555794e5a in ResizeQuantumMemory memory=0x7fffee203800, count=48918,...

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-2026-798 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-2026-456

Heap buffer overflow in Freetype in Google Chrome prior to 86.0.4240.111 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page...

JLSEC-2026-63

The client side in OpenSSH 5.7 through 8.4 has an Observable Discrepancy leading to an information leak in the algorithm negotiation. This allows man-in-the-middle attackers to target initial connection attempts where no host key for the server has been cached by the client. NOTE: some reports...

JLSEC-2025-331 LIBPNG is a reference library for use in applications that read, create, and manipulate PNG...

LIBPNG is a reference library for use in applications that read, create, and manipulate PNG Portable Network Graphics raster image files. From version 1.6.0 to before 1.6.51, there is a heap buffer overflow vulnerability in the libpng simplified API function pngimagefinishread when processing...

JLSEC-2025-329 LIBPNG is a reference library for use in applications that read, create, and manipulate PNG...

LIBPNG is a reference library for use in applications that read, create, and manipulate PNG Portable Network Graphics raster image files. From version 1.6.0 to before 1.6.51, a heap buffer over-read vulnerability exists in libpng's pngwriteimage8bit function when processing 8-bit images through t...

JLSEC-2025-316 A null pointer dereference flaw was found in Libtiff via `tif_dirinfo.c`

A null pointer dereference flaw was found in Libtiff via tifdirinfo.c. This issue may allow an attacker to trigger memory allocation failures through certain means, such as restricting the heap space size or injecting faults, causing a segmentation fault. This can cause an application crash,...

JLSEC-2025-266 Divide By Zero error in tiffcrop in libtiff 4.3.0 allows attackers to cause a denial-of-service via...

Divide By Zero error in tiffcrop in libtiff 4.3.0 allows attackers to cause a denial-of-service via a crafted tiff file. For users that compile libtiff from sources, the fix is available with commit f8d0f9aa...

JLSEC-2025-250 libarchive through 3.7.7 has a heap-based buffer over-read in `header_gnu_longlink` in...

libarchive through 3.7.7 has a heap-based buffer over-read in headergnulonglink in archivereadsupportformattar.c via a TAR archive because it mishandles truncation in the middle of a GNU long linkname...

JLSEC-2025-241 `execute_filter_delta` in `archive_read_support_format_rar.c` in libarchive before 3.7.5 allows...

executefilterdelta in archivereadsupportformatrar.c in libarchive before 3.7.5 allows out-of-bounds access via a crafted archive file because src can move beyond dst...

JLSEC-2025-238 Libarchive through 3.6.2 can cause directories to have world-writable permissions

Libarchive through 3.6.2 can cause directories to have world-writable permissions. The umask call inside archivewritediskposix.c changes the umask of the whole process for a very short period of time; a race condition with another thread can lead to a permanent umask 0 setting. Such a race...

JLSEC-2025-210 An issue was discovered in Mbed TLS before 2.25.0 (and before 2.16.9 LTS and before 2.7.18 LTS)

An issue was discovered in Mbed TLS before 2.25.0 and before 2.16.9 LTS and before 2.7.18 LTS. The calculations performed by mbedtlsmpiexpmod are not limited; thus, supplying overly large parameters could lead to denial of service when generating Diffie-Hellman key pairs...

JLSEC-2025-220 An issue was discovered in Mbed TLS before 2.28.2 and 3.x before 3.3.0

An issue was discovered in Mbed TLS before 2.28.2 and 3.x before 3.3.0. There is a potential heap-based buffer overflow and heap-based buffer over-read in DTLS if MBEDTLSSSLDTLSCONNECTIONID is enabled and MBEDTLSSSLCIDINLENMAX 2 MBEDTLSSSLCIDOUTLENMAX...

JLSEC-2025-196 A flaw was found in libxml2's xmlBuildQName function, where integer overflows in buffer size...

A flaw was found in libxml2's xmlBuildQName function, where integer overflows in buffer size calculations can lead to a stack-based buffer overflow. This issue can result in memory corruption or a denial of service when processing crafted input...

JLSEC-2025-195 An integer overflow was addressed with improved input validation

An integer overflow was addressed with improved input validation. This issue is fixed in Security Update 2021-005 Catalina, iOS 14.8 and iPadOS 14.8, macOS Big Sur 11.6, watchOS 7.6.2. Processing a maliciously crafted PDF may lead to arbitrary code execution. Apple is aware of a report that this...

JLSEC-2025-194 wall in util-linux through 2.40, often installed with setgid tty permissions, allows escape...

wall in util-linux through 2.40, often installed with setgid tty permissions, allows escape sequences to be sent to other users' terminals through argv. Specifically, escape sequences received from stdin are blocked, but escape sequences received from argv are not blocked. There may be plausible...

JLSEC-2025-162 A flaw was found in glib, where the gvariant deserialization code is vulnerable to a denial of...

A flaw was found in glib, where the gvariant deserialization code is vulnerable to a denial of service introduced by additional input validation added to resolve CVE-2023-29499. The offset table validation may be very slow. This bug does not affect any released version of glib but does affect gli...

JLSEC-2025-157 An issue was discovered in GNOME GLib before 2.66.6 and 2.67.x before 2.67.3

An issue was discovered in GNOME GLib before 2.66.6 and 2.67.x before 2.67.3. The function gbytesnew has an integer overflow on 64-bit platforms due to an implicit cast from 64 bits to 32 bits. The overflow could potentially lead to memory corruption...

JLSEC-2025-140 FFmpeg n6.1.1 is Integer Overflow

FFmpeg n6.1.1 is Integer Overflow. The vulnerability exists in the parseoptions function of sbgdec.c within the libavformat module. When parsing certain options, the software does not adequately validate the input. This allows for negative duration values to be accepted without proper bounds...

JLSEC-2025-108 `cbs_jpeg_split_fragment` in `libavcodec/cbs_jpeg.c` in FFmpeg 4.1 and 4.2.2 has a heap-based buffer...

cbsjpegsplitfragment in libavcodec/cbsjpeg.c in FFmpeg 4.1 and 4.2.2 has a heap-based buffer overflow during JPEGMARKERSOS handling because of a missing length check...

JLSEC-2025-96 A flaw was found in the libssh library in versions less than 0.11.2

A flaw was found in the libssh library in versions less than 0.11.2. An out-of-bounds read can be triggered in the sftphandle function due to an incorrect comparison check that permits the function to access memory beyond the valid handle list and to return an invalid pointer, which is used in...

JLSEC-2025-94 In GnuPG before 2.5.5, if a user chooses to import a certificate with certain crafted subkey data...

In GnuPG before 2.5.5, if a user chooses to import a certificate with certain crafted subkey data that lacks a valid backsig or that has incorrect usage flags, the user loses the ability to verify signatures made from certain other signing keys, aka a "verification DoS."...

JLSEC-2025-54 In Expat (aka libexpat) before 2.4.5, an attacker can trigger stack exhaustion in `build_model` via...

In Expat aka libexpat before 2.4.5, an attacker can trigger stack exhaustion in buildmodel via a large nesting depth in the DTD element...

JLSEC-2025-57 libexpat before 2.4.9 has a use-after-free in the doContent function in xmlparse.c.

libexpat before 2.4.9 has a use-after-free in the doContent function in xmlparse.c...

JLSEC-2025-62 An issue was discovered in libexpat before 2.6.3

An issue was discovered in libexpat before 2.6.3. xmlparse.c does not reject a negative length for XMLParseBuffer...

JLSEC-2026-1320 scp in OpenSSH before 10.4 may place a file in the parent directory of an intended directory when...

scp in OpenSSH before 10.4 may place a file in the parent directory of an intended directory when the copy occurs between two remote destinations...

JLSEC-2026-1294

An issue was discovered in libxls before and including 1.6.1 when reading Microsoft Excel files. A NULL pointer dereference vulnerability exists when parsing XLS cells in libxls/xls2csv.c:199. It could allow a remote attacker to cause a denial of service via crafted XLS file...

JLSEC-2026-1293

An issue was discovered in the function markbeginningasnormal in nfa.c in flex 2.6.4. There is a stack exhaustion problem caused by the markbeginningasnormal function making recursive calls to itself in certain scenarios involving lots of '' characters. Remote attackers could leverage this...

JLSEC-2026-1283

In Ruby through 3.0 on Windows, a remote attacker can submit a crafted path when a Web application handles a parameter with TmpDir...

JLSEC-2026-1277

GNOME libsoup before 3.6.0 allows HTTP request smuggling in some configurations because '\0' characters at the end of header names are ignored, i.e., a "Transfer-Encoding\0: chunked" header is treated the same as a "Transfer-Encoding: chunked" header...

JLSEC-2026-1280

A flaw was found in libsoup. The package is vulnerable to a heap buffer over-read when sniffing content via the skipinsightwhitespace function. Libsoup clients may read one byte out-of-bounds in response to a crafted HTTP response by an HTTP server...

JLSEC-2026-1272

gf2n.cpp in Crypto++ aka cryptopp through 8.9.0 allows attackers to cause a denial of service application crash via DER public-key data for an F2^m curve, if the degree of each term in the polynomial is not strictly decreasing...

JLSEC-2026-1266

A null pointer dereference issue was discovered in functions opgetdata and opopen1 in opusfile.c in xiph opusfile 0.9 thru 0.12 allows attackers to cause denial of service or other unspecified impacts...

JLSEC-2026-1229

libexpat before 2.8.2 has an integer overflow in getAttributeId...

JLSEC-2026-1234

xmlwf in libexpat before 2.8.2 has an integer overflow in resolveSystemId...

JLSEC-2026-1114 A heap-based buffer overflow vulnerability exists in the HuffTable::initval functionality of...

A heap-based buffer overflow vulnerability exists in the HuffTable::initval functionality of LibRaw Commit 0b56545 and Commit d20315b. A specially crafted malicious file can lead to a heap buffer overflow. An attacker can provide a malicious file to trigger this vulnerability...

JLSEC-2026-903

A heap-based buffer overflow vulnerability was found in the ImageMagick package that can lead to the application crashing...

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-2026-1015 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-2026-828

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

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-2026-830

In ImageMagick 7.x before 7.0.8-42 and 6.x before 6.9.10-42, there is a use after free vulnerability in the UnmapBlob function that allows an attacker to cause a denial of service by sending a crafted file...

JLSEC-2026-1024 ImageMagick Vulnerable to Stack Overflow in its MVG Decoder

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 6.9.13-49 and 7.1.2-24, a crafted MVG file could result in a stack overflow due to a missing depth or visited-set check. This issue has been patched in versions 6.9.13-49 and 7.1.2-24...