1228 matches found
JLSEC-2026-206
Leptonica before 1.80.0 allows a heap-based buffer over-read in findNextBorderPixel in ccbord.c...
JLSEC-2026-239 Issue summary: Processing some specially crafted ASN.1 object identifiers or data containing them...
Issue summary: Processing some specially crafted ASN.1 object identifiers or data containing them may be very slow. Impact summary: Applications that use OBJobj2txt directly, or use any of the OpenSSL subsystems OCSP, PKCS7/SMIME, CMS, CMP/CRMF or TS with no message size limit may experience...
JLSEC-2026-469 An integer overflow leading to a heap-buffer overflow was found in The X Input Method (XIM) client...
An integer overflow leading to a heap-buffer overflow was found in The X Input Method XIM client was implemented in libX11 before version 1.6.10. As per upstream this is security relevant when setuid programs call XIM client functions while running with elevated privileges. No such programs are...
JLSEC-2026-719
A stack buffer overflow exists in wolfSSL's PKCS7 implementation in the wcPKCS7DecryptOri function in wolfcrypt/src/pkcs7.c. When processing a CMS EnvelopedData message containing an OtherRecipientInfo ORI recipient, the function copies an ASN.1-parsed OID into a fixed 32-byte stack buffer...
JLSEC-2026-491
Little CMS lcms2 through 2.18 has an integer overflow in CubeSize in cmslut.c because the overflow check is performed after the multiplication...
JLSEC-2026-220 The X.509 GeneralName type is a generic type for representing different types of names
The X.509 GeneralName type is a generic type for representing different types of names. One of those name types is known as EDIPartyName. OpenSSL provides a function GENERALNAMEcmp which compares different instances of a GENERALNAME to see if they are equal or not. This function behaves incorrect...
JLSEC-2026-278
An issue was discovered in Rclone before 1.53.3. Due to the use of a weak random number generator, the password generator has been producing weak passwords with much less entropy than advertised. The suggested passwords depend deterministically on the time the second rclone was started. This limi...
JLSEC-2026-211
libmariadb/mariadblib.c in MariaDB Connector/C before 3.1.8 does not properly validate the content of an OK packet received from a server. NOTE: although mariadblib.c was originally based on code shipped for MySQL, this issue does not affect any MySQL components supported by Oracle...
JLSEC-2026-226 There is a carry propagation bug in the MIPS32 and MIPS64 squaring procedure
There is a carry propagation bug in the MIPS32 and MIPS64 squaring procedure. Many EC algorithms are affected, including some of the TLS 1.3 default curves. Impact was not analyzed in detail, because the pre-requisites for attack are considered unlikely and include reusing private keys. Analysis...
JLSEC-2026-202
Buffer overflow vulnerability in quoteforpmake in asm/nasm.c in nasm before 2.15.05 allows attackers to cause a denial of service via crafted file...
JLSEC-2025-182 An issue was discovered in libgit2 before 0.28.4 and 0.9x before 0.99.0
An issue was discovered in libgit2 before 0.28.4 and 0.9x before 0.99.0. path.c mishandles equivalent filenames that exist because of NTFS Alternate Data Streams. This may allow remote code execution when cloning a repository. This issue is similar to CVE-2019-1352...
JLSEC-2026-230 AES OCB fails to encrypt some bytes
AES OCB mode for 32-bit x86 platforms using the AES-NI assembly optimised implementation will not encrypt the entirety of the data under some circumstances. This could reveal sixteen bytes of data that was preexisting in the memory that wasn't written. In the special case of "in place" encryption...
JLSEC-2026-215 OpenSSL 1.1.1 introduced a rewritten random number generator (RNG)
OpenSSL 1.1.1 introduced a rewritten random number generator RNG. This was intended to include protection in the event of a fork system call in order to ensure that the parent and child processes did not share the same RNG state. However this protection was not being used in the default case. A...
JLSEC-2026-276 Issue summary: Converting an excessively large OCTET STRING value to a hexadecimal string leads to a...
Issue summary: Converting an excessively large OCTET STRING value to a hexadecimal string leads to a heap buffer overflow on 32 bit platforms. Impact summary: A heap buffer overflow may lead to a crash or possibly an attacker controlled code execution or other undefined behavior. If an attacker c...
JLSEC-2026-277 Issue summary: Applications using RSASVE key encapsulation to establish a secret encryption key can...
Issue summary: Applications using RSASVE key encapsulation to establish a secret encryption key can send contents of an uninitialized memory buffer to a malicious peer. Impact summary: The uninitialized buffer might contain sensitive data from the previous execution of the application process whi...
JLSEC-2026-212
util-linux is a random collection of Linux utilities. Prior to version 2.41.4, a TOCTOU Time-of-Check-Time-of-Use vulnerability has been identified in the SUID binary /usr/bin/mount from util-linux. The mount binary, when setting up loop devices, validates the source file path with user privilege...
JLSEC-2026-204
NASM v2.16 was discovered to contain a global buffer overflow in the component dbgdbgtypevalue at /output/outdbg.c...
JLSEC-2026-68
The PKCS11 feature in ssh-agent in OpenSSH before 9.3p2 has an insufficiently trustworthy search path, leading to remote code execution if an agent is forwarded to an attacker-controlled system. Code in /usr/lib is not necessarily safe for loading into ssh-agent. NOTE: this issue exists because o...
JLSEC-2026-558
Use after free in garbage collector and finalizer of lgc.c in Lua interpreter 5.4.05.4.3 allows attackers to perform Sandbox Escape via a crafted script file...
JLSEC-2026-282
netCDF in GDAL 2.4.2 through 3.0.4 has a stack-based buffer overflow in nc4getatt called from nc4getatttc and ncgetatttext and in uffdcleanup called from netCDFDataset::netCDFDataset and netCDFDataset::netCDFDataset...
JLSEC-2026-287
A vulnerability was found in libXpm where a vulnerability exists due to a boundary condition, a local user can trigger an out-of-bounds read error and read contents of memory on the system...
JLSEC-2026-281 RClone: Unauthenticated operations/fsinfo allows attacker-controlled backend instantiation and local command execution
Summary The RC endpoint operations/fsinfo is exposed without AuthRequired: true and accepts attacker-controlled fs input. Because rc.GetFs... supports inline backend definitions, an unauthenticated attacker can instantiate an attacker-controlled backend on demand. For the WebDAV backend,...
JLSEC-2026-218 In situations where an attacker receives automated notification of the success or failure of a...
In situations where an attacker receives automated notification of the success or failure of a decryption attempt an attacker, after sending a very large number of messages to be decrypted, can recover a CMS/PKCS7 transported encryption key or decrypt any RSA encrypted message that was encrypted...
JLSEC-2026-259 Issue summary: Use of -addreject option with the openssl x509 application adds a trusted use instead...
Issue summary: Use of -addreject option with the openssl x509 application adds a trusted use instead of a rejected use for a certificate. Impact summary: If a user intends to make a trusted certificate rejected for a particular use it will be instead marked as trusted for that use. A copy & paste...
JLSEC-2026-214 Normally in OpenSSL EC groups always have a co-factor present and this is used in side channel...
Normally in OpenSSL EC groups always have a co-factor present and this is used in side channel resistant code paths. However, in some cases, it is possible to construct a group using explicit parameters instead of using a named curve. In those cases it is possible that such a group does not have...
JLSEC-2026-271 Issue summary: An OpenSSL TLS 1.3 server may fail to negotiate the expected preferred key exchange...
Issue summary: An OpenSSL TLS 1.3 server may fail to negotiate the expected preferred key exchange group when its key exchange group configuration includes the default by using the 'DEFAULT' keyword. Impact summary: A less preferred key exchange may be used even when a more preferred group is...
JLSEC-2026-263 Issue summary: Calling `PKCS12_get_friendlyname()` function on a maliciously crafted PKCS#12 file...
Issue summary: Calling PKCS12getfriendlyname function on a maliciously crafted PKCS12 file with a BMPString UTF-16BE friendly name containing non-ASCII BMP code point can trigger a one byte write before the allocated buffer. Impact summary: The out-of-bounds write can cause a memory corruption...
JLSEC-2026-596
An issue was discovered in yasm version 1.3.0. There is a NULL pointer dereference in expandsmacro in modules/preprocs/nasm/nasm-pp.c...
JLSEC-2026-289
In Singular before 4.3.1, a predictable /tmp pathname is used e.g., by sdb.cc, which allows local users to gain the privileges of other users via a procedure in a file under /tmp. NOTE: this CVE Record is about sdb.cc and similar files in the Singular interface that have predictable /tmp pathname...
JLSEC-2026-244 Issue summary: Generating excessively long X9.42 DH keys or checking excessively long X9.42 DH keys...
Issue summary: Generating excessively long X9.42 DH keys or checking excessively long X9.42 DH keys or parameters may be very slow. Impact summary: Applications that use the functions DHgeneratekey to generate an X9.42 DH key may experience long delays. Likewise, applications that use...
JLSEC-2026-249 Issue summary: Some non-default TLS server configurations can cause unbounded memory growth when...
Issue summary: Some non-default TLS server configurations can cause unbounded memory growth when processing TLSv1.3 sessions Impact summary: An attacker may exploit certain server configurations to trigger unbounded memory growth that would lead to a Denial of Service This problem can occur in...
JLSEC-2026-261 Issue summary: Writing large, newline-free data into a BIO chain using the line-buffering filter...
Issue summary: Writing large, newline-free data into a BIO chain using the line-buffering filter where the next BIO performs short writes can trigger a heap-based out-of-bounds write. Impact summary: This out-of-bounds write can cause memory corruption which typically results in a crash, leading ...
JLSEC-2026-203
NASM v2.16 was discovered to contain a heap buffer overflow in the component quoteforpmake asm/nasm.c:856...
JLSEC-2026-1185 FFmpeg through 8.1.2, fixed in commit aafb5c6, contains a signed integer overflow vulnerability...
FFmpeg through 8.1.2, fixed in commit aafb5c6, contains a signed integer overflow vulnerability in the MACE6 audio decoder that allows attackers to corrupt heap memory by supplying a crafted CAF file with a malicious bytesperpacket value. Attackers can craft a CAF file with oversized bytesperpack...
JLSEC-2026-925 ImageMagick (WriteBMPImage): 32-bit integer overflow when writing BMP scanline stride → heap buffer overflow
Summary A 32-bit integer overflow in the BMP encoder’s scanline-stride computation collapses bytesperline stride to a tiny value while the per-row writer still emits 3 × width bytes for 24-bpp images. The row base pointer advances using the overflowed stride, so the first row immediately writes...
JLSEC-2026-613 Redirect credential leakage across scheme/port in HTTP.jl
Description Redirect handling decided whether to retain credential-bearing headers Authorization, Cookie, Proxy-Authorization, etc. by comparing only the hostname, ignoring scheme and port. As a result an https→http downgrade or a same-host/different-port redirect was treated as same-origin and...
JLSEC-2026-296
HDF5 through 1.14.3 contains a heap buffer overflow in H5Tbitfind, resulting in the corruption of the instruction pointer and causing denial of service or potential code execution...
JLSEC-2026-283
A flaw was found in libXpm. When processing a file with width of 0 and a very large height, some parser functions will be called repeatedly and can lead to an infinite loop, resulting in a Denial of Service in the application linked to the library...
JLSEC-2026-280 Rclone: Unauthenticated options/set allows runtime auth bypass, leading to sensitive operations and command execution
Summary The RC endpoint options/set is exposed without AuthRequired: true, but it can mutate global runtime configuration, including the RC option block itself. An unauthenticated attacker can set rc.NoAuth=true, which disables the authorization gate for many RC methods registered with...
JLSEC-2026-252 Issue summary: Calling the OpenSSL API function `SSL_select_next_proto` with an empty supported...
Issue summary: Calling the OpenSSL API function SSLselectnextproto with an empty supported client protocols buffer may cause a crash or memory contents to be sent to the peer. Impact summary: A buffer overread can have a range of potential consequences such as unexpected application beahviour or ...
JLSEC-2026-228 The `c_rehash` script does not properly sanitise shell metacharacters to prevent command injection
The crehash script does not properly sanitise shell metacharacters to prevent command injection. This script is distributed by some operating systems in a manner where it is automatically executed. On such operating systems, an attacker could execute arbitrary commands with the privileges of the...
JLSEC-2026-240 Issue summary: The AES-SIV cipher implementation contains a bug that causes it to ignore empty...
Issue summary: The AES-SIV cipher implementation contains a bug that causes it to ignore empty associated data entries which are unauthenticated as a consequence. Impact summary: Applications that use the AES-SIV algorithm and want to authenticate empty data entries as associated data can be misl...
JLSEC-2026-234 Vulnerable OpenSSL included in cryptography wheels
There is a type confusion vulnerability relating to X.400 address processing inside an X.509 GeneralName. X.400 addresses were parsed as an ASN1STRING but the public structure definition for GENERALNAME incorrectly specified the type of the x400Address field as ASN1TYPE. This field is subsequentl...
JLSEC-2026-233 openssl-src vulnerable to Use-after-free following `BIO_new_NDEF`
The public API function BIOnewNDEF is a helper function used for streaming ASN.1 data via a BIO. It is primarily used internally to OpenSSL to support the SMIME, CMS and PKCS7 streaming capabilities, but may also be called directly by end user applications. The function receives a BIO from the...
JLSEC-2026-255 Issue summary: PBMAC1 parameters in PKCS#12 files are missing validation which can trigger a...
Issue summary: PBMAC1 parameters in PKCS12 files are missing validation which can trigger a stack-based buffer overflow, invalid pointer or NULL pointer dereference during MAC verification. Impact summary: The stack buffer overflow or NULL pointer dereference may cause a crash leading to Denial o...
JLSEC-2026-213 When sed is invoked with both -i (in-place edit) and --follow-symlinks, the function...
When sed is invoked with both -i in-place edit and --follow-symlinks, the function opennextfile performs two separate, non-atomic filesystem operations on the same path: 1. resolves symlink to its target and stores the resolved path for determining when output is written, 2. opens the original...
JLSEC-2026-201
A stack-use-after-scope issue discovered in expandmmacparams function in preproc.c in nasm before 2.15.04 allows remote attackers to cause a denial of service via crafted asm file...
JLSEC-2026-1295
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:1018...
JLSEC-2026-562 In GnuPG through 2.4.8, if a signed message has `\f` at the end of a plaintext line, an adversary...
In GnuPG through 2.4.8, if a signed message has \f at the end of a plaintext line, an adversary can construct a modified message that places additional text after the signed material, such that signature verification of the modified message succeeds although an "invalid armor" message is printed...
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...