JLSEC-2026-84

A flaw was found in the Poppler's Pdfinfo utility. This issue occurs when using -dests parameter with pdfinfo utility. By using certain malformed input files, an attacker could cause the utility to crash, leading to a denial of service...

JLSEC-2026-57

Libksba before 1.6.3 is prone to an integer overflow vulnerability in the CRL signature parser...

JLSEC-2026-45

A flaw was found in PostgreSQL involving the pgcancelbackend role that signals background workers, including the logical replication launcher, autovacuum workers, and the autovacuum launcher. Successful exploitation requires a non-core extension with a less-resilient background worker and would...

JLSEC-2026-5 nghttp2 is an implementation of the Hypertext Transfer Protocol version 2 in C

nghttp2 is an implementation of the Hypertext Transfer Protocol version 2 in C. Prior to version 1.68.1, the nghttp2 library stops reading the incoming data when user facing public API nghttp2sessionterminatesession or nghttp2sessionterminatesession2 is called by the application. They might be...

JLSEC-2026-3 The HTTP/2 protocol allows a denial of service (server resource consumption) because request...

The HTTP/2 protocol allows a denial of service server resource consumption because request cancellation can reset many streams quickly, as exploited in the wild in August through October 2023...

JLSEC-2025-308 A flaw was found in libtiff

A flaw was found in libtiff. A specially crafted tiff file can lead to a segmentation fault due to a buffer overflow in the Fax3Encode function in libtiff/tiffax3.c, resulting in a denial of service...

JLSEC-2025-252 An Invalid Address dereference was discovered in TIFFWriteDirectoryTagTransferfunction in...

An Invalid Address dereference was discovered in TIFFWriteDirectoryTagTransferfunction in libtiff/tifdirwrite.c in LibTIFF 4.0.10, affecting the cpSeparateBufToContigBuf function in tiffcp.c. Remote attackers could leverage this vulnerability to cause a denial-of-service via a crafted tiff file...

JLSEC-2025-289 processCropSelections in `tools/tiffcrop.c` in LibTIFF through 4.5.0 has a heap-based buffer...

processCropSelections in tools/tiffcrop.c in LibTIFF through 4.5.0 has a heap-based buffer overflow e.g., "WRITE of size 307203" via a crafted TIFF image...

JLSEC-2025-279 LibTIFF 4.4.0 has an out-of-bounds read in extractImageSection in `tools/tiffcrop.c:6905`, allowing...

LibTIFF 4.4.0 has an out-of-bounds read in extractImageSection in tools/tiffcrop.c:6905, allowing 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 48d6ece8...

JLSEC-2025-237 In libarchive before 3.6.2, the software does not check for an error after calling calloc function...

In libarchive before 3.6.2, the software does not check for an error after calling calloc function that can return with a NULL pointer if the function fails, which leads to a resultant NULL pointer dereference. NOTE: the discoverer cites this CWE-476 remark but third parties dispute the...

JLSEC-2025-146 A flaw was found in FFmpeg's HLS demuxer

A flaw was found in FFmpeg's HLS demuxer. This vulnerability allows bypassing unsafe file extension checks and triggering arbitrary demuxers via base64-encoded data URIs appended with specific file extensions...

JLSEC-2025-93 A vulnerability was found in the Libksba library due to an integer overflow within the CRL parser

A vulnerability was found in the Libksba library due to an integer overflow within the CRL parser. The vulnerability can be exploited remotely for code execution on the target system by passing specially crafted data to the application, for example, a malicious S/MIME attachment...

JLSEC-2025-72 There is a flaw in the xml entity encoding functionality of libxml2 in versions before 2.9.11

There is a flaw in the xml entity encoding functionality of libxml2 in versions before 2.9.11. An attacker who is able to supply a crafted file to be processed by an application linked with the affected functionality of libxml2 could trigger an out-of-bounds read. The most likely impact of this...

JLSEC-2025-58 In libexpat through 2.4.9, there is a use-after free caused by overeager destruction of a shared DTD...

In libexpat through 2.4.9, there is a use-after free caused by overeager destruction of a shared DTD in XMLExternalEntityParserCreate in out-of-memory situations...

JLSEC-2025-29 When sending data to an MQTT server, libcurl <= 7.73.0 and 7.78.0 could in some circumstances...

When sending data to an MQTT server, libcurl = 7.73.0 and 7.78.0 could in some circumstances erroneously keep a pointer to an already freed memory area and both use that again in a subsequent call to send data and also free it again...

JLSEC-2025-27 curl 7.63.0 to and including 7.75.0 includes vulnerability that allows a malicious HTTPS proxy to...

curl 7.63.0 to and including 7.75.0 includes vulnerability that allows a malicious HTTPS proxy to MITM a connection due to bad handling of TLS 1.3 session tickets. When using a HTTPS proxy and TLS 1.3, libcurl can confuse session tickets arriving from the HTTPS proxy but work as if they arrived...

JLSEC-2025-19 An issue was discovered in D-Bus before 1.12.24, 1.13.x and 1.14.x before 1.14.4, and 1.15.x before...

An issue was discovered in D-Bus before 1.12.24, 1.13.x and 1.14.x before 1.14.4, and 1.15.x before 1.15.2. An authenticated attacker can cause dbus-daemon and other programs that use libdbus to crash when receiving a message with certain invalid type signatures...

JLSEC-2025-14 cairo 1.16.0, in `cairo_ft_apply_variations()` in cairo-ft-font.c, would free memory using a free...

cairo 1.16.0, in cairoftapplyvariations in cairo-ft-font.c, would free memory using a free function incompatible with WebKit's fastMalloc, leading to an application crash with a "free: invalid pointer" error...

JLSEC-2025-2 Command injection in `withpasswd()` function in Registrator.jl

Impact If the clone URL returned by GitHub is malicious or can be injected using upstream vulnerabilities, a shell script injection can occur within the withpasswd function. This can then lead to a potential RCE. Patches Users should upgrade immediately to v1.9.5. All prior versions are vulnerabl...

JLSEC-2026-1373

libgit2 is a portable C implementation of the Git core methods provided as a linkable library with a solid API, allowing to build Git functionality into your application. Prior to 1.8.6 and 1.9.5, libgit2 performs a fixed-size strncmp in setdata in src/libgit2/transports/smartpkt.c without first...

JLSEC-2026-1365 wasmtime has a panic when allocating a table exceeding the size of the host's address space

Impact Wasmtime's allocation logic for a WebAssembly table contained checked arithmetic which panicked on overflow. This overflow is possible to trigger, and thus panic, when a table with an extremely large size is allocated. This is possible with the WebAssembly memory64 proposal where tables ca...

JLSEC-2026-1363 Wasmtime has improperly masked return value from `table.grow` with Winch compiler backend

Impact Wasmtime's Winch compiler backend contains a bug where translating the table.grow operator causes the result to be incorrectly typed. For 32-bit tables this means that the result of the operator, internally in Winch, is tagged as a 64-bit value instead of a 32-bit value. This invalid...

JLSEC-2026-1341

curl can be told to parse a .netrc file for credentials. If that file endsin a line with 4095 consecutive non-white space letters and no newline, curlwould first read past the end of the stack-based buffer, and if the readworks, write a zero byte beyond its boundary.This will in most cases cause ...

JLSEC-2026-1326 ssh in OpenSSH before 10.4 can have a use-after-free when a server changes its host key during a...

ssh in OpenSSH before 10.4 can have a use-after-free when a server changes its host key during a key re-exchange. This outcome occurs only on the client side...

JLSEC-2026-1297

Buffer Overflow vulnerability in libxlsv.1.6.2 allows a remote attacker to execute arbitrary code and cause a denial of service via a crafted XLS file to the xlsparseWorkBook function in xls.c:1015...

JLSEC-2026-1195 GNU coreutils uniq is vulnerable to an out‑of‑bounds read due to incorrect handling of multibyte...

GNU coreutils uniq is vulnerable to an out‑of‑bounds read due to incorrect handling of multibyte input when the -w --check-chars option is used. The findfield function miscalculates the byte length of characters by repeatedly processing a fixed pointer instead of advancing through the input,...

JLSEC-2026-1183 FFmpeg through 8.1.2, fixed in commit 5d7112c, contains an uncontrolled resource consumption...

FFmpeg through 8.1.2, fixed in commit 5d7112c, contains an uncontrolled resource consumption vulnerability in the IAMF demuxer that allows an unauthenticated attacker to cause multi-gigabyte memory allocation from a 17-byte input file by supplying a crafted countlabel field. The mixpresentationob...

JLSEC-2026-1182 FFmpeg through 8.1.2, fixed in commit 5d7112c, contains a heap out-of-bounds write vulnerability...

FFmpeg through 8.1.2, fixed in commit 5d7112c, contains a heap out-of-bounds write vulnerability in the vfhqdn3d filter that allows attackers to corrupt heap memory by supplying a crafted video whose frame resolution increases between frames when filtergraph reinitialization is disabled via the...

JLSEC-2026-1166 Deno: process.loadEnvFile() bypasses env permission checks and mutates process.env with only read access

Summary In Deno, environment access is gated by the env permission. You can deny it with --deny-env, or restrict it to a specific allowlist with --allow-env=FOO,BAR. The expectation is that a program running without env permission cannot change process.env. process.loadEnvFile the Node-compatible...

JLSEC-2026-1157 nghttp2's nghttpx proxy through 1.69.0 forwards an HTTP/1.1 Upgrade request that also carries a...

nghttp2's nghttpx proxy through 1.69.0 forwards an HTTP/1.1 Upgrade request that also carries a Content-Length header and body onto reusable keep-alive backend connections, re-adding the Upgrade and Connection headers while passing Content-Length verbatim. A backend that resolves the resulting...

JLSEC-2026-1131

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, if a nats-server is run with static credentials for all clients provided via argv the command-line, then those credentials are visible to any user who can see the...

JLSEC-2026-1127

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, a malicious client which can connect to the WebSockets port can cause unbounded memory use in the nats-server before authentication; this requires sending a...

JLSEC-2026-1134 Issue Summary: The PKCS#12 file processing fails to perform sufficient input validation for files...

Issue Summary: The PKCS12 file processing fails to perform sufficient input validation for files that use Password-Based Message Authentication Code 1 PBMAC1 integrity mechanism allowing a certificate and private key forgery. Impact Summary: An attacker impersonating a user can cause a service...

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-2026-907

A vulnerability was found in ImageMagick. This security flaw causes a shell command injection vulnerability via video:vsync or video:pixel-format options in VIDEO encoding/decoding...

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-2026-1011 ImageMagick: Policy Bypass in MNG coder could

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 6.9.13-47 and 7.1.2-22, because of a missing check in the MNG coder it would be possible to read more images than the list limit policy would allow resulting in excessive resource use...

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-2026-776

HarfBuzz is a text shaping engine. Starting with 8.5.0 through 10.0.1, there is a heap-based buffer overflow in the hbcairoglyphsfrombuffer function...

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-2026-692 Integer underflow in wolfSSL packet sniffer <= 5.8.4 allows an attacker to cause a buffer overflow...

Integer underflow in wolfSSL packet sniffer = 5.8.4 allows an attacker to cause a buffer overflow in the AEAD decryption path by injecting a TLS record shorter than the explicit IV plus authentication tag into traffic inspected by sslDecodePacket. The underflow wraps a 16-bit length to a large...

JLSEC-2026-752 Integer underflow in `wc_PKCS7_DecryptOri` when handling crafted Other Recipient Info, leading to...

Integer underflow in wcPKCS7DecryptOri when handling crafted Other Recipient Info, leading to incorrect length handling during decryption...

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-2026-647 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...