JLSEC-2026-966 ImageMagick has infinite loop when writing IPTCTEXT leads to denial of service via crafted profile

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 crafted profile contain invalid IPTC data may cause an infinite loop when writing it with IPTCTEXT. Versions 7.1.2-15 and 6.9.13-40 contain a patch...

JLSEC-2026-1074 ImageMagick before 7.1.2-26 and 6.9.x before 6.9.13-51 contains a memory leak in the YUV decoder...

ImageMagick before 7.1.2-26 and 6.9.x before 6.9.13-51 contains a memory leak in the YUV decoder that occurs when opening of the blob fails. Repeated triggering can lead to resource exhaustion denial of service...

JLSEC-2026-739 AES-GCM encryption/decryption with extremely large cumulative single message sizes (>64 GiB) were...

AES-GCM encryption/decryption with extremely large cumulative single message sizes 64 GiB were not properly rejected by the streaming APIs, allowing counter wrap, keystream reuse, and consequent plaintext recovery...

JLSEC-2026-588

An issue was discovered in yasm version 1.3.0. There is a NULL pointer dereference in findcc in modules/preprocs/nasm/nasm-pp.c...

JLSEC-2026-587

An issue was discovered in yasm version 1.3.0. There is a NULL pointer dereference in expandmmacparams in modules/preprocs/nasm/nasm-pp.c...

JLSEC-2026-566 In GnuPG before 2.5.17, a long signature packet length causes `parse_signature` to return success...

In GnuPG before 2.5.17, a long signature packet length causes parsesignature to return success with sig-data set to a NULL value, leading to a denial of service application crash...

JLSEC-2026-539

There's a flaw in openjpeg's t2 encoder in versions prior to 2.4.0. An attacker who is able to provide crafted input to be processed by openjpeg could cause a null pointer dereference. The highest impact of this flaw is to application availability...

JLSEC-2026-519

An issue was discovered in GnuTLS before 3.6.15. A server can trigger a NULL pointer dereference in a TLS 1.3 client if a norenegotiation alert is sent with unexpected timing, and then an invalid second handshake occurs. The crash happens in the application's error handling path, where the...

JLSEC-2026-293

HDF5 through 1.14.3 contains a heap buffer overflow in H5HGcacheheapdeserialize, resulting in the corruption of the instruction pointer and causing denial of service or potential code execution...

JLSEC-2026-229 In addition to the `c_rehash` shell command injection identified in CVE-2022-1292, further...

In addition to the crehash shell command injection identified in CVE-2022-1292, further circumstances where the crehash script does not properly sanitise shell metacharacters to prevent command injection were found by code review. When the CVE-2022-1292 was fixed it was not discovered that there...

JLSEC-2026-250 Issue summary: Checking excessively long DSA keys or parameters may be very slow.

Issue summary: Checking excessively long DSA keys or parameters may be very slow. Impact summary: Applications that use the functions EVPPKEYparamcheck or EVPPKEYpubliccheck to check a DSA public key or DSA parameters may experience long delays. Where the key or parameters that are being checked...

JLSEC-2026-243 Issue summary: A bug has been identified in the processing of key and initialisation vector (IV)...

Issue summary: A bug has been identified in the processing of key and initialisation vector IV lengths. This can lead to potential truncation or overruns during the initialisation of some symmetric ciphers. Impact summary: A truncation in the IV can result in non-uniqueness, which could result in...

JLSEC-2026-272

Issue summary: An uncommon configuration of clients performing DANE TLSA-based server authentication, when paired with uncommon server DANE TLSA records, may result in a use-after-free and/or double-free on the client side. Impact summary: A use after free can have a range of potential consequenc...

JLSEC-2026-251 Issue summary: Calling the OpenSSL API function `SSL_free_buffers` may cause memory to be accessed...

Issue summary: Calling the OpenSSL API function SSLfreebuffers may cause memory to be accessed that was previously freed in some situations Impact summary: A use after free can have a range of potential consequences such as the corruption of valid data, crashes or execution of arbitrary code...

JLSEC-2026-254 Issue summary: Use of the low-level GF(2^m) elliptic curve APIs with untrusted explicit values for...

Issue summary: Use of the low-level GF2^m elliptic curve APIs with untrusted explicit values for the field polynomial can lead to out-of-bounds memory reads or writes. Impact summary: Out of bound memory writes can lead to an application crash or even a possibility of a remote code execution,...

JLSEC-2026-257 Issue summary: If an application using the `SSL_CIPHER_find()` function in a QUIC protocol client or...

Issue summary: If an application using the SSLCIPHERfind function in a QUIC protocol client or server receives an unknown cipher suite from the peer, a NULL dereference occurs. Impact summary: A NULL pointer dereference leads to abnormal termination of the running process causing Denial of Servic...

JLSEC-2025-5 Lack of validation for user-provided fields in GitHub.jl

There is a lack of input validation for user-provided values in certain functions. In the GitHub.repo function, the user can provide any string for the reponame field. These inputs are not validated or safely encoded and are sent directly to the server. Impact This means a user can add path...

JLSEC-2026-1312

Exiv2 is a command-line utility and C++ library for reading, writing, deleting, and modifying the metadata of image files. An infinite loop was found in Exiv2 versions v0.27.4 and earlier. The infinite loop is triggered when Exiv2 is used to modify the metadata of a crafted image file. An attacke...

JLSEC-2026-718 Heap buffer overflow in DTLS 1.3 ACK message processing

Heap buffer overflow in DTLS 1.3 ACK message processing. A remote attacker can send a crafted DTLS 1.3 ACK message that triggers a heap buffer overflow...

JLSEC-2026-590

An issue was discovered in yasm version 1.3.0. There is a NULL pointer dereference in ifcondition in modules/preprocs/nasm/nasm-pp.c...

JLSEC-2026-592

An issue was discovered in yasm version 1.3.0. There is a use-after-free in exprtraversenodespost in libyasm/expr.c...

JLSEC-2026-533

In OpenJPEG 2.3.1, there is excessive iteration in the opjt1encodecblks function of openjp2/t1.c. Remote attackers could leverage this vulnerability to cause a denial of service via a crafted bmp file. This issue is similar to CVE-2018-6616...

JLSEC-2026-398

curl before 7.86.0 has a double free. If curl is told to use an HTTP proxy for a transfer with a non-HTTPS URL, it sets up the connection to the remote server by issuing a CONNECT request to the proxy, and then tunnels the rest of the protocol through. An HTTP proxy might refuse this request HTTP...

JLSEC-2026-370 A vulnerability was found in Cesanta Mongoose up to 7.20

A vulnerability was found in Cesanta Mongoose up to 7.20. This impacts the function handlemdnsrecord of the file mongoose.c of the component mDNS Record Handler. Performing a manipulation of the argument buf results in stack-based buffer overflow. Remote exploitation of the attack is possible. A...

JLSEC-2026-267 Issue summary: A timing side-channel which could potentially allow remote recovery of the private...

Issue summary: A timing side-channel which could potentially allow remote recovery of the private key exists in the SM2 algorithm implementation on 64 bit ARM platforms. Impact summary: A timing side-channel in SM2 signature computations on 64 bit ARM platforms could allow recovering the private...

JLSEC-2026-231 openssl-src subject to Timing Oracle in RSA Decryption

A timing based side channel exists in the OpenSSL RSA Decryption implementation which could be sufficient to recover a plaintext across a network in a Bleichenbacher style attack. To achieve a successful decryption an attacker would have to be able to send a very large number of trial messages fo...

JLSEC-2026-209

Leptonica before 1.80.0 allows a heap-based buffer over-read in pixFewColorsOctcubeQuantMixed in colorquant1.c...

JLSEC-2026-1350 Wasmtime provides unsound API access to a WebAssembly shared linear memory

Impact Wasmtime's Rust embedder API contains an unsound interaction where a WebAssembly shared linear memory could be viewed as a type which provides safe access to the host Rust to the contents of the linear memory. This is not sound for shared linear memories, which could be modified in paralle...

JLSEC-2026-1154

NATS Server is a high-performance server for NATS.io, the cloud and edge native messaging system. Prior to 2.14.3 and 2.12.8, message trace destination checks were applied to ordinary client connections but not consistently to messages arriving through leafnode connections, allowing a leafnode...

JLSEC-2026-705 Protection mechanism failure in wolfCrypt post-quantum implementations (ML-KEM and ML-DSA) in...

Protection mechanism failure in wolfCrypt post-quantum implementations ML-KEM and ML-DSA in wolfSSL on ARM Cortex-M microcontrollers allows a physical attacker to compromise key material and/or cryptographic outcomes via induced transient faults that corrupt or redirect seed/pointer values during...

JLSEC-2026-655 Deno: Permission Bypass via Unicode Normalization Mismatch on macOS (APFS)

Summary Deno's permission system enforces filesystem and execution restrictions by comparing the requested path against the path supplied to --deny-read, --deny-write, --deny-run, or --deny-ffi. On macOS, that comparison was done at the raw-byte level while the APFS filesystem treats different...

JLSEC-2026-598

An issue was discovered in yasm version 1.3.0. There is a use-after-free in error in modules/preprocs/nasm/nasm-pp.c...

JLSEC-2026-586

An issue was discovered in yasm version 1.3.0. There is a NULL pointer dereference in hash in modules/preprocs/nasm/nasm-pp.c...

JLSEC-2026-565 In GnuPG before 2.5.17, a stack-based buffer overflow exists in tpm2daemon during handling of the...

In GnuPG before 2.5.17, a stack-based buffer overflow exists in tpm2daemon during handling of the PKDECRYPT command for TPM-backed RSA and ECC keys...

JLSEC-2026-541

A flaw was found in openjpeg's src/lib/openjp2/t2.c in versions prior to 2.4.0. This flaw allows an attacker to provide crafted input to openjpeg during conversion and encoding, causing an out-of-bounds write. The highest threat from this vulnerability is to confidentiality, integrity, as well as...

JLSEC-2026-538

There's a flaw in openjpeg in versions prior to 2.4.0 in src/lib/openjp2/pi.c. When an attacker is able to provide crafted input to be processed by the openjpeg encoder, this could cause an out-of-bounds read. The greatest impact from this flaw is to application availability...

JLSEC-2026-532

There's a flaw in lz4. An attacker who submits a crafted file to an application linked with lz4 may be able to trigger an integer overflow, leading to calling of memmove on a negative size argument, causing an out-of-bounds write and/or a crash. The greatest impact of this flaw is to availability...

JLSEC-2026-514

An uncontrolled resource consumption memory leak flaw was found in the ZeroMQ client in versions before 4.3.3 in src/pipe.cpp. This issue causes a client that connects to multiple malicious or compromised servers to crash. The highest threat from this vulnerability is to system availability...

JLSEC-2026-428 When an OAuth2 bearer token is used for an HTTP(S) transfer, and that transfer performs a...

When an OAuth2 bearer token is used for an HTTPS transfer, and that transfer performs a cross-protocol redirect to a second URL that uses an IMAP, LDAP, POP3 or SMTP scheme, curl might wrongly pass on the bearer token to the new target host...

JLSEC-2026-368 A vulnerability was detected in Cesanta Mongoose up to 7.20

A vulnerability was detected in Cesanta Mongoose up to 7.20. This impacts the function mgchacha20poly1305decrypt of the file /src/tlschacha20.c of the component Poly1305 Authentication Tag Handler. The manipulation results in improper verification of cryptographic signature. The attack may be...

JLSEC-2026-217 OpenSSL has internal defaults for a directory tree where it can find a configuration file as well as...

OpenSSL has internal defaults for a directory tree where it can find a configuration file as well as certificates used for verification in TLS. This directory is most commonly referred to as OPENSSLDIR, and is configurable with the --prefix / --openssldir configuration options. For OpenSSL versio...

JLSEC-2026-258 Issue summary: The 'openssl dgst' command-line tool silently truncates input data to 16MB when using...

Issue summary: The 'openssl dgst' command-line tool silently truncates input data to 16MB when using one-shot signing algorithms and reports success instead of an error. Impact summary: A user signing or verifying files larger than 16MB with one-shot algorithms such as Ed25519, Ed448, or ML-DSA m...

JLSEC-2026-178

Some MongoDB Drivers may erroneously publish events containing authentication-related data to a command listener configured by an application. The published events may contain security-sensitive data when specific authentication-related commands are executed. Without due care, an application may...

JLSEC-2026-1368

Wasmtime is a runtime for WebAssembly. Prior to 24.0.11, 36.0.12, 45.0.3, and 46.0.1, wasmtime-wasi hard-link creation and renaming check directory permissions but not matching FilePerms on source and destination preopens, allowing a WASI guest with a read-only source file capability to overwrite...

JLSEC-2026-1357 Wasmtime segfault or unused out-of-sandbox load with `f64x2.splat` operator on x86-64

On x86-64 platforms with SSE3 disabled Wasmtime's compilation of the f64x2.splat WebAssembly instruction with Cranelift may load 8 more bytes than is necessary. When signals-based-traps are disabled this can result in a uncaught segfault due to loading from unmapped guard pages. With guard pages...

JLSEC-2026-901

A vulnerability was discovered in ImageMagick where a specially created SVG file loads itself and causes a segmentation fault. This flaw allows a remote attacker to pass a specially crafted SVG file that leads to a segmentation fault, generating many trash files in "/tmp," resulting in a denial o...

JLSEC-2026-778

A flaw was found in libssh. This vulnerability allows local man-in-the-middle attacks, security downgrades of SSH Secure Shell connections, and manipulation of trusted host information, posing a significant risk to the confidentiality, integrity, and availability of SSH communications via an...

JLSEC-2026-767 A vulnerability was determined in OSGeo gdal up to 3.13.0dev-4

A vulnerability was determined in OSGeo gdal up to 3.13.0dev-4. This vulnerability affects the function memmove of the file frmts/hdf4/hdf-eos/SWapi.c of the component HDF-EOS Grid File Handler. This manipulation causes out-of-bounds read. The attack is restricted to local execution. The exploit...

JLSEC-2026-734 Out-of-bounds write in the Renesas TSIP TLS 1.3 transcript buffer

Out-of-bounds write in the Renesas TSIP TLS 1.3 transcript buffer. In tsipStoreMessage the capacity check guarding the fixed message bag MSGBAGSIZE sets an error code but fails to return, so execution falls through to an XMEMCPY that writes past the end of the buffer once the accumulated TLS 1.3...

JLSEC-2026-704 Missing required cryptographic step in the TLS 1.3 client HelloRetryRequest handshake logic in...

Missing required cryptographic step in the TLS 1.3 client HelloRetryRequest handshake logic in wolfSSL could lead to a compromise in the confidentiality of TLS-protected communications via a crafted HelloRetryRequest followed by a ServerHello message that omits the required keyshare extension,...