JLSEC-2026-1038 ImageMagick: Stack Overflow in MVG decoder due to missing depth check.

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 missing depth check in the MVG decoder will result in a stack overflow when a crafted image is provided. This issue has been fixed in versions 6.9.13-51 and...

JLSEC-2026-1036 ImageMagick: Use-After-Free in crafted 8BIM when identifying an image

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, when identifying an image with a crafted 8BIM profile with a specific format string a use-after-free will occur. This issue has been fixed in versions 6.9.13-51...

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-2026-813 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-2026-787 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-2026-764 In affected libpcap versions during the setup of a remote packet capture the internal function...

In affected libpcap versions during the setup of a remote packet capture the internal function sockinitaddress calls getaddrinfo and possibly freeaddrinfo, but does not clearly indicate to the caller function whether freeaddrinfo still remains to be called after the function returns. This makes i...

JLSEC-2026-760

A flaw was found in iperf, a utility for testing network performance using TCP, UDP, and SCTP. A malicious or malfunctioning client can send less than the expected amount of data to the iperf server, which can cause the server to hang indefinitely waiting for the remainder or until the connection...

JLSEC-2026-736 `wolfSSL_PKCS7_verify()` returning success for a degenerate (certs-only) PKCS#7 object that contains...

wolfSSLPKCS7verify returning success for a degenerate certs-only PKCS7 object that contains no signer. Such an object has empty signerInfos, so the underlying signed-data verification succeeds without authenticating any content. The compatibility-layer verify path now rejects the object when no...

JLSEC-2026-677 wolfSSL SP Math All RSA implementation is vulnerable to the Marvin Attack, new variation of a timing...

wolfSSL SP Math All RSA implementation is vulnerable to the Marvin Attack, new variation of a timing Bleichenbacher style attack, when built with the following options to configure: --enable-all CFLAGS="-DWOLFSSLSTATICRSA" The define “WOLFSSLSTATICRSA” enables static RSA cipher suites, which is n...

JLSEC-2026-647 It is possible to cause an use-after-free write in SANM decoding with a carefully crafted animation...

It is possible to cause an use-after-free write in SANM decoding with a carefully crafted animation using subversion storedframe. Stored frames can later be referenced by FTCH chunks. For files using subversion storedframe. Leaving ctx-hasdimensions set to false. A subsequent chunk with type...

JLSEC-2026-644 When decoding an OpenEXR file that uses DWAA or DWAB compression, the specified raw length of...

When decoding an OpenEXR file that uses DWAA or DWAB compression, the specified raw length of run-length-encoded data is not checked when using it to calculate the output data. We read rlerawsize from the input file at 0, we decompress and decode into the buffer td-rlerawdata of size rlerawsize a...

JLSEC-2026-636

Buffer Overflow vulnerability in Ffmpeg v.N113007-g8d24a28d06 allows a local attacker to execute arbitrary code via the libavfilter/afstereowiden.c:120:69...

JLSEC-2026-642

A flaw was found in FFmpeg’s TensorFlow backend within the libavfilter/dnnbackendtf.c source file. The issue occurs in the dnnexecutemodeltf function, where a task object is freed multiple times in certain error-handling paths. This redundant memory deallocation can lead to a double-free conditio...

JLSEC-2026-620 WebSocket reader data race in auto-PONG/CLOSE-echo handling in HTTP.jl

Description The WebSocket reader task processed incoming frames by calling wsonincomingdata! without holding ws.sendlock. That function is not a pure parser: its auto-PONG and CLOSE-echo paths push! onto the shared ws.codec.outgoingframes vector, while application send/ping/pong/close paths mutat...

JLSEC-2026-604

Use of inherently dangerous function PQfn..., resultisint=0, ... in PostgreSQL libpq loexport, loread, lolseek64, and lotell64 functions allows the server superuser to overwrite a client stack buffer with an arbitrarily-large response. Like gets, PQfn..., resultisint=0, ... stores arbitrary-lengt...

JLSEC-2026-512

A directory traversal problem in the URL decoder of librsvg before 2.56.3 could be used by local or remote attackers to disclose files on the local filesystem outside of the expected area, as demonstrated by href=".?../../../../../../../../../../etc/passwd" in an xi:include element...

JLSEC-2026-508

In LibSass 3.5.5, a heap-based buffer over-read exists in Sass::Prelexer::parenthesescope in prelexer.hpp...

JLSEC-2026-503

In LibSass 3.5.5, a NULL Pointer Dereference in the function Sass::Eval::operatorSass::SupportsOperator in eval.cpp may cause a Denial of Service application crash via a crafted sass input file...

JLSEC-2026-479

MiniZip in zlib through 1.3 has an integer overflow and resultant heap-based buffer overflow in zipOpenNewFileInZip464 via a long filename, comment, or extra field. NOTE: MiniZip is not a supported part of the zlib product. NOTE: pyminizip through 0.2.6 is also vulnerable because it bundles an...

JLSEC-2026-460 An out of bounds write exists in FreeType versions 2.13.0 and below when attempting to parse font...

An out of bounds write exists in FreeType versions 2.13.0 and below newer versions of FreeType are not vulnerable when attempting to parse font subglyph structures related to TrueType GX and variable font files. The vulnerable code assigns a signed short value to an unsigned long and then adds a...

JLSEC-2026-447

Buffer Overflow vulnerability in fmtentry function in progs/dumpentry.c:1100 in ncurses 6.1 allows remote attackers to cause a denial of service via crafted command...

JLSEC-2026-448

Buffer Overflow vulnerability in fmtentry function in progs/dumpentry.c:1116 in ncurses 6.1 allows remote attackers to cause a denial of service via crafted command...

JLSEC-2026-390

libcurl provides the CURLOPTCERTINFO option to allow applications torequest details to be returned about a server's certificate chain.Due to an erroneous function, a malicious server could make libcurl built withNSS get stuck in a never-ending busy-loop when trying to retrieve thatinformation...

JLSEC-2026-433 libcurl supports *pinning* of the server certificate public key for HTTPS transfers

libcurl supports pinning of the server certificate public key for HTTPS transfers. Due to an omission, this check is not performed when connecting with QUIC for HTTP/3, when the TLS backend is wolfSSL. Documentation says the option works with wolfSSL, failing to specify that it does not for QUIC...

JLSEC-2026-385

An improper authentication vulnerability exists in curl 7.33.0 to and including 7.82.0 which might allow reuse OAUTH2-authenticated connections without properly making sure that the connection was authenticated with the same credentials as set for this transfer. This affects SASL-enabled protocol...

JLSEC-2026-426 When using `CURLOPT_PINNEDPUBLICKEY` option with libcurl or `--pinnedpubkey` with the curl tool,curl...

When using CURLOPTPINNEDPUBLICKEY option with libcurl or --pinnedpubkey with the curl tool,curl should check the public key of the server certificate to verify the peer. This check was skipped in a certain condition that would then make curl allow the connection without performing the proper chec...

JLSEC-2026-380

In libexpat before 2.7.4, the doContent function does not properly determine the buffer size bufSize because there is no integer overflow check for tag buffer reallocation...

JLSEC-2026-377

There exists interger overflows in libvpx in versions prior to 1.14.1. Calling vpximgalloc with a large value of the dw, dh, or align parameter may result in integer overflows in the calculations of buffer sizes and offsets and some fields of the returned vpximaget struct may be invalid. Calling...

JLSEC-2026-376

A heap overflow vulnerability exists in libvpx - Encoding a frame that has larger dimensions than the originally configured size with VP9 may result in a heap overflow in libvpx. We recommend upgrading to version 1.13.1 or above...

JLSEC-2026-369 A vulnerability has been found in Cesanta Mongoose up to 7.20

A vulnerability has been found in Cesanta Mongoose up to 7.20. This affects the function mgtlsrecvcert of the file mongoose.c of the component TLS 1.3 Handler. Such manipulation of the argument pubkey leads to heap-based buffer overflow. The attack may be launched remotely. The exploit has been...

JLSEC-2026-371 A vulnerability was determined in Cesanta Mongoose up to 7.20

A vulnerability was determined in Cesanta Mongoose up to 7.20. Affected is the function mgtlsverifycertsignature of the file mongoose.c of the component P-384 Public Key Handler. Executing a manipulation can lead to authorization bypass. The attack can be executed remotely. Attacks of this nature...

JLSEC-2026-344

A vulnerability, which was classified as problematic, has been found in HDF5 1.14.6. This issue affects the function H5Cloadentry of the file /src/H5Centry.c. The manipulation leads to resource consumption. The attack needs to be approached locally. The exploit has been disclosed to the public an...

JLSEC-2026-336

A vulnerability was found in HDF5 up to 1.14.6 and classified as problematic. This issue affects the function H5Ocachechkserialize of the file src/H5Ocache.c. The manipulation leads to null pointer dereference. An attack has to be approached locally. The exploit has been disclosed to the public a...

JLSEC-2026-303

HDF5 library through 1.14.3 has memory corruption in H5Aclose resulting in the corruption of the instruction pointer and causing denial of service or potential code execution...

JLSEC-2026-349

A vulnerability classified as problematic was found in HDF5 1.14.6. This vulnerability affects the function H5FSsinfoserializenodecb of the file src/H5FScache.c. The manipulation leads to heap-based buffer overflow. Local access is required to approach this attack. The exploit has been disclosed ...

JLSEC-2026-199

Buffer Overflow in Netwide Assembler NASM v2.15.xx allows attackers to cause a denial of service via 'crc64i' in the component 'nasmlib/crc64'. This issue is different than CVE-2019-7147...

JLSEC-2026-193

A vulnerability was found in Open Asset Import Library Assimp 5.4.3. It has been declared as problematic. Affected by this vulnerability is the function HL1MDLLoader::validateheader of the file assimp/code/AssetLib/MDL/HalfLife/HL1MDLLoader.cpp. The manipulation leads to out-of-bounds read. An...

JLSEC-2026-188

Heap-based buffer overflow vulnerability in Assimp versions prior to 5.4.3 allows a local attacker to execute arbitrary code by importing a specially crafted file into the product...

JLSEC-2026-189

A security vulnerability has been detected in Open Asset Import Library Assimp up to 6.0.2. Affected by this vulnerability is the function Assimp::LWOImporter::FindUVChannels of the file /src/assimp/code/AssetLib/LWO/LWOMaterial.cpp. Such manipulation leads to use after free. The attack needs to ...

JLSEC-2026-184

GNU Tar through 1.34 has a one-byte out-of-bounds read that results in use of uninitialized memory for a conditional jump. Exploitation to change the flow of control has not been demonstrated. The issue occurs in fromheader in list.c via a V7 archive in which mtime has approximately 11 whitespace...

JLSEC-2026-185

In GNU tar before 1.35, mishandled extension attributes in a PAX archive can lead to an application crash in xheader.c...

JLSEC-2026-175

In libpixman in Pixman before 0.42.2, there is an out-of-bounds write aka heap-based buffer overflow in rasterizeedges8 due to an integer overflow in pixmansamplefloory...

JLSEC-2026-138

OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. In versions 3.2.0 through 3.2.4, 3.3.0 through 3.3.5, and 3.4.0 through 3.4.2, a memory safety bug in the legacy OpenEXR Python adapter the deprecated...

JLSEC-2026-127

SDLttf v2.0.18 and below was discovered to contain an arbitrary memory write via the function TTFRenderTextSolid. This vulnerability is triggered via a crafted TTF file...

JLSEC-2026-123

Libgcrypt before 1.8.8 and 1.9.x before 1.9.3 mishandles ElGamal encryption because it lacks exponent blinding to address a side-channel attack against mpipowm, and the window size is not chosen appropriately. This, for example, affects use of ElGamal in OpenPGP...

JLSEC-2026-122

Integer overflow in libaom internal function imgallochelper can lead to heap buffer overflow. This function can be reached via 3 callers: - Calling aomimgalloc with a large value of the dw, dh, or align parameter may result in integer overflows in the calculations of buffer sizes and offsets and...

JLSEC-2026-105 Deno's `deno_runtime` vulnerable to interactive permission prompt spoofing via improper ANSI stripping

Summary A maliciously crafted permission request can show the spoofed permission prompt by inserting a broken ANSI escape sequence into the request contents. Details In the patch for CVE-2023-28446, Deno is stripping any ANSI escape sequences from the permission prompt, but permissions given to t...

JLSEC-2026-112 Deno's --deny-read check does not prevent permission bypass

Summary Deno.FsFile.prototype.stat and Deno.FsFile.prototype.statSync are not limited by the permission model check --deny-read=./. It's possible to retrieve stats from files that the user do not have explicit read access to the script is executed with --deny-read=./ Similar APIs like Deno.stat a...

JLSEC-2026-102 Interactive `run` permission prompt spoofing via improper ANSI neutralization

Summary Arbitrary program names without any ANSI filtering allows any malicious program to clear the first 2 lines of a opspawnchild or opkill prompt and replace it with any desired text. Details The main entry point comes down to the ability to override what the API control says 40process.js...

JLSEC-2026-97

An internal reference count is held on the buffer pool, incremented every time a new buffer is created from the pool. The reference count is maintained as an int; on LP64 systems this can cause the reference count to overflow if the client creates a large number of wlshm buffer objects, or if it...