JLSEC-2026-555

ldebug.c in Lua 5.4.0 allows a negation overflow and segmentation fault in getlocal and setlocal, as demonstrated by getlocal3,2^31...

JLSEC-2026-540

A flaw was found in OpenJPEG in versions prior to 2.4.0. This flaw allows an attacker to provide specially crafted input to the conversion or encoding functionality, causing an out-of-bounds read. The highest threat from this vulnerability is system availability...

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-2026-544

opjt1clbldecodeprocessor in openjp2/t1.c in OpenJPEG 2.3.1 through 2020-01-28 has a heap-based buffer overflow in the qmfbid==1 case, a different issue than CVE-2020-6851...

JLSEC-2026-547

A flaw was found in the opj2decompress program in openjpeg2 2.4.0 in the way it handles an input directory with a large number of files. When it fails to allocate a buffer to store the filenames of the input directory, it calls free on an uninitialized pointer, leading to a segmentation fault and...

JLSEC-2026-537

A flaw was found in OpenJPEG’s encoder in the opjdwtcalcexplicitstepsizes function. This flaw allows an attacker who can supply crafted input to decomposition levels to cause a buffer overflow. The highest threat from this vulnerability is to system availability...

JLSEC-2026-552

OpenJPEG is an open-source JPEG 2000 codec. In OpenJPEG from 2.5.1 through 2.5.3, a call to opjjp2readheader may lead to OOB heap memory write when the data stream pstream is too short and pimage is not initialized...

JLSEC-2026-536

A flaw was found in OpenJPEG’s encoder. This flaw allows an attacker to pass specially crafted x,y offset input to OpenJPEG to use during encoding. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability...

JLSEC-2026-542

There's a flaw in src/lib/openjp2/pi.c of openjpeg in versions prior to 2.4.0. If an attacker is able to provide untrusted input to openjpeg's conversion/encoding functionality, they could cause an out-of-bounds read. The highest impact of this flaw is to application availability...

JLSEC-2026-550

A flaw was found in OpenJPEG. A resource exhaustion can occur in the opjt1decodecblks function in tcd.c through a crafted image file, causing a denial of service...

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-2026-538

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-2026-545

Integer Overflow in OpenJPEG v2.4.0 allows remote attackers to crash the application, causing a Denial of Service DoS. This occurs when the attacker uses the command line option "-ImgDir" on a directory that contains 1048576 files...

JLSEC-2026-546

A heap-based buffer overflow was found in openjpeg in color.c:379:42 in sycc420torgb when decompressing a crafted .j2k file. An attacker could use this to execute arbitrary code with the permissions of the application compiled against openjpeg...

JLSEC-2026-543

OpenJPEG through 2.3.1 has a heap-based buffer overflow in opjt1clbldecodeprocessor in openjp2/t1.c because of lack of opjj2kupdateimagedimensions validation...

JLSEC-2026-535

A heap-buffer overflow was found in the way openjpeg2 handled certain PNG format files. An attacker could use this flaw to cause an application crash or in some cases execute arbitrary code with the permission of the user running such an application...

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-2026-534

jp2/opjdecompress.c in OpenJPEG through 2.3.1 has a use-after-free that can be triggered if there is a mix of valid and invalid files in a directory operated on by the decompressor. Triggering a double-free may also be possible. This is related to calling opjimagedestroy twice...

JLSEC-2026-549

A vulnerability was found in OpenJPEG similar to CVE-2019-6988. This flaw allows an attacker to bypass existing protections and cause an application crash through a maliciously crafted file...

JLSEC-2026-548

A flaw was found in OpenJPEG. Maliciously constructed pictures can cause the program to enter a large loop and continuously print warning messages on the terminal...

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-2026-529

Versions of the package raysan5/raylib before 4.5.0 are vulnerable to Cross-site Scripting XSS such that the SetClipboardText API does not properly escape the ' character, allowing attacker-controlled input to break out of the string and execute arbitrary JavaScript via emscriptenrunscript...

JLSEC-2026-531

A vulnerability was identified in raysan5 raylib up to 909f040. Affected by this issue is the function LoadFontData of the file src/rtext.c. The manipulation leads to integer overflow. The attack can only be performed from a local environment. The exploit is publicly available and might be used...

JLSEC-2026-530

A vulnerability was determined in raysan5 raylib up to 909f040. Affected by this vulnerability is the function GenImageFontAtlas of the file src/rtext.c. Executing a manipulation can lead to heap-based buffer overflow. The attack can only be executed locally. The exploit has been publicly disclos...

JLSEC-2026-527

A flaw was found in GnuTLS. A double-free vulnerability exists in GnuTLS due to incorrect ownership handling in the export logic of Subject Alternative Name SAN entries containing an otherName. If the type-id OID is invalid or malformed, GnuTLS will call asn1deletestructure on an ASN.1 node it do...

JLSEC-2026-518

GnuTLS 3.6.x before 3.6.14 uses incorrect cryptography for encrypting a session ticket a loss of confidentiality in TLS 1.2, and an authentication bypass in TLS 1.3. The earliest affected version is 3.6.4 2018-09-24 because of an error in a 2018-09-18 commit. Until the first key rotation, the TLS...

JLSEC-2026-525

A vulnerability was found in GnuTLS. The response times to malformed ciphertexts in RSA-PSK ClientKeyExchange differ from the response times of ciphertexts with correct PKCS1 v1.5 padding. This issue may allow a remote attacker to perform a timing side-channel attack in the RSA-PSK key exchange,...

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-2026-522

A NULL pointer dereference flaw was found in GnuTLS. As Nettle's hash update functions internally call memcpy, providing zero-length input may cause undefined behavior. This flaw leads to a denial of service after authentication in rare circumstances...

JLSEC-2026-521

A flaw was found in gnutls. A use after free issue in clientsendparams in lib/ext/presharedkey.c may lead to memory corruption and other potential consequences...

JLSEC-2026-523

A vulnerability found in gnutls. This security flaw happens because of a double free error occurs during verification of pkcs7 signatures in gnutlspkcs7verify function...

JLSEC-2026-526

A vulnerability was found in GnuTLS, where a cockpit which uses gnuTLS rejects a certificate chain with distributed trust. This issue occurs when validating a certificate chain with cockpit-certificate-ensure. This flaw allows an unauthenticated, remote client or attacker to initiate a denial of...

JLSEC-2026-520

A flaw was found in gnutls. A use after free issue in client sending keyshare extension may lead to memory corruption and other consequences...

JLSEC-2026-524

A vulnerability was found that the response times to malformed ciphertexts in RSA-PSK ClientKeyExchange differ from response times of ciphertexts with correct PKCS1 v1.5 padding...

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-2026-515

There's a flaw in the zeromq server in versions before 4.3.3 in src/decoderallocators.hpp. The decoder static allocator could have its sized changed, but the buffer would remain the same as it is a static buffer. A remote, unauthenticated attacker who sends a crafted request to the zeromq server...

JLSEC-2026-516

A flaw was found in the ZeroMQ server in versions before 4.3.3. This flaw allows a malicious client to cause a stack buffer overflow on the server by sending crafted topic subscription requests and then unsubscribing. The highest threat from this vulnerability is to confidentiality, integrity, as...

JLSEC-2026-513

In ZeroMQ before version 4.3.3, there is a denial-of-service vulnerability. Users with TCP transport public endpoints, even with CURVE/ZAP enabled, are impacted. If a raw TCP socket is opened and connected to an endpoint that is fully configured with CURVE/ZAP, legitimate clients will not be able...

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-2026-511

In xml.rs in GNOME librsvg before 2.46.2, a crafted SVG file with nested patterns can cause denial of service when passed to the library for processing. The attacker constructs pattern elements so that the number of final rendered objects grows exponentially...

JLSEC-2026-505

LibSass 3.6.1 has uncontrolled recursion in Sass::Eval::operatorSass::BinaryExpression in eval.cpp...

JLSEC-2026-510

In LibSass 3.5.5, a heap-based buffer over-read exists in Sass::Prelexer::skipoverscopes in prelexer.hpp when called from Sass::Parser::parseimport, a similar issue to CVE-2018-11693...

JLSEC-2026-507

LibSass before 3.6.3 allows a NULL pointer dereference in Sass::Parser::parseCompoundSelector in parserselectors.cpp...

JLSEC-2026-502

In LibSass 3.5.5, a use-after-free vulnerability exists in the SharedPtr class in SharedPtr.cpp or SharedPtr.hpp that may cause a denial of service application crash or possibly have unspecified other impact...

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-2026-509

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

JLSEC-2026-504

The parsing component in LibSass through 3.5.5 allows attackers to cause a denial-of-service uncontrolled recursion in Sass::Parser::parsecssvariablevalue in parser.cpp...

JLSEC-2026-506

LibSass before 3.6.3 allows a heap-based buffer over-read in Sass::weaveParents in astselweave.cpp...

JLSEC-2026-508

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

JLSEC-2026-501

In LibSass 3.5.5, a NULL Pointer Dereference in the function Sass::SelectorList::populateextends in SharedPtr.hpp used by ast.cpp and astselectors.cpp may cause a Denial of Service application crash via a crafted sass input file...