JLSEC-2025-10 Use-after-free vulnerability in bzip2recover in bzip2 1.0.6 allows remote attackers to cause a...

Use-after-free vulnerability in bzip2recover in bzip2 1.0.6 allows remote attackers to cause a denial of service crash via a crafted bzip2 file, related to block ends set to before the start of the block...

JLSEC-2025-4 Argument injection in `gettreesha()` function in Registrator.jl

Impact If the clone URL returned by GitHub is malicious or can be injected using upstream vulnerabilities, an argument injection is possible in the gettreesha function. This can then lead to a potential RCE. Patches Users should upgrade immediately to v1.9.5. All prior versions are vulnerable...

JLSEC-2026-1380

Mongoose is an embedded web server and network library. Prior to 7.22, a remote unauthenticated attacker can exploit an HTTP/1.0 reverse-proxy deployment by sending a request with Transfer-Encoding: chunked and conflicting framing. The httpcb function in src/http.c tests hm.proto.len with an...

JLSEC-2026-1353 Wasmtime can panic when adding excessive fields to a `wasi:http/types.fields` instance

Impact Wasmtime's implementation of the wasi:http/types.fields resource is susceptible to panics when too many fields are added to the set of headers. Wasmtime's implementation in the wasmtime-wasi-http crate is backed by a data structure which panics when it reaches excessive capacity and this...

JLSEC-2026-1334

curl 7.7 through 7.76.1 suffers from an information disclosure when the -t command line option, known as CURLOPTTELNETOPTIONS in libcurl, is used to send variable=content pairs to TELNET servers. Due to a flaw in the option parser for sending NEWENV variables, libcurl could be made to pass on...

JLSEC-2026-1343 When saving HSTS data to an excessively long file name, curl could end up removing all contents,...

When saving HSTS data to an excessively long file name, curl could end up removing all contents, making subsequent requests using that file unaware of the HSTS status they should otherwise use...

JLSEC-2026-1336

When curl is instructed to get content using the metalink feature, and a user name and password are used to download the metalink XML file, those same credentials are then subsequently passed on to each of the servers from which curl will download or try to download the contents from. Often...

JLSEC-2026-1339

A user can tell curl = 7.20.0 and = 7.78.0 to require a successful upgrade to TLS when speaking to an IMAP, POP3 or FTP server --ssl-reqd on the command line orCURLOPTUSESSL set to CURLUSESSLCONTROL or CURLUSESSLALL withlibcurl. This requirement could be bypassed if the server would return a...

JLSEC-2026-1333

curl 7.61.0 through 7.76.1 suffers from exposure of data element to wrong session due to a mistake in the code for CURLOPTSSLCIPHERLIST when libcurl is built to use the Schannel TLS library. The selected cipher set was stored in a single "static" variable in the library, which has the surprising...

JLSEC-2026-1337

curl supports the -t command line option, known as CURLOPTTELNETOPTIONSin libcurl. This rarely used option is used to send variable=content pairs toTELNET servers.Due to flaw in the option parser for sending NEWENV variables, libcurlcould be made to pass on uninitialized data from a stack based...

JLSEC-2026-1338

libcurl-using applications can ask for a specific client certificate to be used in a transfer. This is done with the CURLOPTSSLCERT option --cert with the command line tool.When libcurl is built to use the macOS native TLS library Secure Transport, an application can ask for the client certificat...

JLSEC-2026-1318

Exiv2 is a C++ library and a command-line utility to read, write, delete and modify Exif, IPTC, XMP and ICC image metadata. Prior to version 0.28.8, an uncaught exception was found in Exiv2. The vulnerability is in the preview component, which is only triggered when running Exiv2 with an extra...

JLSEC-2026-1314 Exiv2 Segmentation Faults in Exiv2::EpsImage::writeMetadata() via crafted EPS file

Impact An out-of-bounds read was found in Exiv2 versions v0.28.5 and earlier. Exiv2 is a command-line utility and C++ library for reading, writing, deleting, and modifying the metadata of image files. The out-of-bounds read is triggered when Exiv2 is used to write metadata into a crafted image...

JLSEC-2026-1306

Exiv2 is a command-line utility and C++ library for reading, writing, deleting, and modifying the metadata of image files. A null pointer dereference was found in Exiv2 versions v0.27.4 and earlier. The null pointer dereference is triggered when Exiv2 is used to print the metadata of a crafted...

JLSEC-2026-1284

An issue was discovered in Ruby through 2.6.7, 2.7.x through 2.7.3, and 3.x through 3.0.1. A malicious FTP server can use the PASV response to trick Net::FTP into connecting back to a given IP address and port. This potentially makes curl extract information about services that are otherwise...

JLSEC-2026-1286

The cgi gem before 0.1.0.2, 0.2.x before 0.2.2, and 0.3.x before 0.3.5 for Ruby allows HTTP response splitting. This is relevant to applications that use untrusted user input either to generate an HTTP response or to create a CGI::Cookie object...

JLSEC-2026-1281

An issue was discovered in Ruby through 2.5.8, 2.6.x through 2.6.6, and 2.7.x through 2.7.1. WEBrick, a simple HTTP server bundled with Ruby, had not checked the transfer-encoding header value rigorously. An attacker may potentially exploit this issue to bypass a reverse proxy which also has a po...

JLSEC-2026-1279

GNOME libsoup before 3.6.1 has an infinite loop, and memory consumption. during the reading of certain patterns of WebSocket data from clients...

JLSEC-2026-1269

Cap'n Proto is a data interchange format and capability-based RPC system. Prior to 1.4.0, a negative Content-Length value was converted to unsigned, treating it as an impossibly large length instead. In theory, this bug could enable HTTP request/response smuggling. This vulnerability is fixed in...

JLSEC-2026-1267 A vulnerability was identified in uclouvain openjpeg up to 2.5.4. This impacts the function...

A vulnerability was identified in uclouvain openjpeg up to 2.5.4. This impacts the function opjpiinitialiseencode in the library src/lib/openjp2/pi.c. The manipulation leads to integer overflow. The attack must be carried out locally. The exploit is publicly available and might be used. The...

JLSEC-2026-1243 A flaw was found in GLib. An off-by-one error can occur in the gvs_tuple_is_normal function in...

A flaw was found in GLib. An off-by-one error can occur in the gvstupleisnormal function in the glib/gvariant-serialiser.c file when doing an alignment padding check because the bounds check uses instead of =, causing an out-of-bounds read of only 1 byte. This issue can cause a minor information...

JLSEC-2026-1239

A flaw was found in the libxml2 library. This uncontrolled resource consumption vulnerability occurs when processing XML catalogs that contain repeated elements pointing to the same downstream catalog. A remote attacker can exploit this by supplying crafted catalogs, causing the parser to...

JLSEC-2026-1236

libexpat before 2.8.2 does not consider XMLTOKDATACHARS in doCdataSection and thus lacks handler call depth tracking for various calls from within handlers in cases of a policy violation. Thus, a use-after-free can occur. NOTE: this issue exists because of an incomplete fix for CVE-2026-50219...

JLSEC-2026-1233

xmlwf in libexpat before 2.8.2 has an integer overflow for the output filename when -d outputDir is used...

JLSEC-2026-1232

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

JLSEC-2026-1226

In libexpat before 2.8.2, there is a heap-based buffer overflow in doProlog in xmlparse.c because scaffold backing array reallocation is mishandled when there is data-structure sharing across parsers...

JLSEC-2026-1201 Successfully using libcurl to do a transfer to a specific HTTP origin (`hostA`) with **Digest**...

Successfully using libcurl to do a transfer to a specific HTTP origin hostA with Digest authentication and then changing the origin to a different one hostB for a second transfer, reusing the same handle, makes libcurl wrongly pass on the Authorization: header field meant for hostA, to hostB...

JLSEC-2026-1220 In this scenario, libcurl first uses a proper HTTP/3 server for the initial transfers, and when...

In this scenario, libcurl first uses a proper HTTP/3 server for the initial transfers, and when it makes a second transfer to the same site it has been replaced by the attacker's impostor machine - without a valid certificate. When libcurl returns to the hostname the second time with a cached SSL...

JLSEC-2026-1199 libcurl keeps previously used connections in a connection pool for subsequent transfers to reuse...

libcurl keeps previously used connections in a connection pool for subsequent transfers to reuse if one of them matches the setup. An easy handle that first uses default native CA trust can continue trusting the native platform store after the application switches that same handle to custom CA...

JLSEC-2026-1194 An issue was discovered in freedesktop poppler v25.04.0. The heap memory containing PDF stream...

An issue was discovered in freedesktop poppler v25.04.0. The heap memory containing PDF stream objects is not cleared upon program exit, allowing attackers to obtain sensitive PDF content via a memory dump...

JLSEC-2026-1193

libheif is a HEIF and AVIF file format decoder and encoder. Versions 1.19.0 through 1.21.2 have a heap OOB read in ImageItemGrid::decodegridtile via irot-induced tile-coordinate underflow. Version 1.22.0 fixes the issue...

JLSEC-2026-1181 FFmpeg versions 3.0 through 8.1.2 contain an out-of-bounds write vulnerability in the vf_swaprect...

FFmpeg versions 3.0 through 8.1.2 contain an out-of-bounds write vulnerability in the vfswaprect video filter that allows attackers to corrupt heap memory by supplying a crafted NV12 video frame with odd width dimensions. The filterframe function reuses a temporary row buffer sized for plane 0's...

JLSEC-2026-1161 GNU Wget through 1.25.0, fixed in commit dd692d9, contains a heap buffer overflow vulnerability...

GNU Wget through 1.25.0, fixed in commit dd692d9, contains a heap buffer overflow vulnerability in the htmlquotestring function in src/convert.c that allows a remote attacker to trigger memory corruption by supplying a crafted HTML attribute with a large number of characters requiring entity...

JLSEC-2026-1160 GNU Wget through 1.25.0, fixed in commit c2640fe, contains a heap buffer overflow vulnerability...

GNU Wget through 1.25.0, fixed in commit c2640fe, contains a heap buffer overflow vulnerability in the convertfname function within src/url.c that allows remote attackers to trigger memory corruption through a server-supplied filename requiring character set conversion. When the output buffer is...

JLSEC-2026-1152

NATS Server is a high-performance server for NATS.io, the cloud and edge native messaging system. Prior to 2.14.0, 2.12.7, and 2.11.16, an authenticated user could receive messages on denied subjects when a wildcard subscription overlapped with a configured wildcard deny rule but was not a subset...

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-2026-1105

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-2026-1100

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-2026-1101

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-2026-1092 A vulnerability was determined in WebAssembly Binaryen up to 125. Affected by this issue is the...

A vulnerability was determined in WebAssembly Binaryen up to 125. Affected by this issue is the function WasmBinaryReader::readExport of the file src/wasm/wasm-binary.cpp. This manipulation causes heap-based buffer overflow. It is possible to launch the attack on the local host. The exploit has...

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-2026-969 ImageMagick: Invalid MSL <map> can result in a use after free

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 MSL interpreter crashes when processing a invalid element that causes it to use an image after it has been freed. Versions 7.1.2-15 and 6.9.13-40 contain a...

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-2026-835

In ImageMagick before 7.0.8-25, some memory leaks exist in DecodeImage in coders/pcd.c...

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-2026-1020 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-2026-1034

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-2026-958 ImageMagick: MSL - Stack overflow in ProcessMSLScript

Summary Magick fails to check for circular references between two MSLs, leading to a stack overflow. Details After reading a.msl using magick, the following is displayed: MSLStartElement - ReadImage - ReadMSLImage - ProcessMSLScript - xmlParseChunk - xmlParseTryOrFinish - MSLStartElement bash...

JLSEC-2026-950 ImageMagick: Heap overflow in sun decoder on 32-bit systems may result in out of bounds write

An Integer Overflow vulnerability exists in the sun decoder. On 32-bit systems/builds, a carefully crafted image can lead to an out of bounds heap write. ================================================================= ==1967675==ERROR: AddressSanitizer: heap-buffer-overflow on address 0xf190b50...

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...