1113 matches found
JLSEC-2026-171
A flaw was discovered in ldapX509dn2bv in OpenLDAP before 2.4.57 leading to a slapd crash in the X.509 DN parsing in adkeystring, resulting in denial of service...
JLSEC-2026-157
strukturag libde265 commit d9fea9d wa discovered to contain a segmentation fault via the component decodercontext::computeframedroptable...
JLSEC-2026-101
Versions of the package deno before 1.31.0 are vulnerable to Regular Expression Denial of Service ReDoS due to the upgradeWebSocket function, which contains regexes in the form of /s,s/, used for splitting the Connection/Upgrade header. A specially crafted Connection/Upgrade header can be used to...
JLSEC-2025-176 An issue was discovered in open-mpi hwloc 2.1.0 allows attackers to cause a denial of service or...
An issue was discovered in open-mpi hwloc 2.1.0 allows attackers to cause a denial of service or other unspecified impacts via glibc-cpuset in topology-linux.c...
JLSEC-2025-55 In Expat (aka libexpat) before 2.4.5, there is an integer overflow in copyString.
In Expat aka libexpat before 2.4.5, there is an integer overflow in copyString...
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-2026-1188 FFmpeg versions from 0.5 up to, but not including, 9.0 contain a signed integer overflow...
FFmpeg versions from 0.5 up to, but not including, 9.0 contain a signed integer overflow vulnerability in the DVB subtitle parser in libavcodec/dvbsubparser.c that allows attackers to trigger a heap buffer overflow by supplying a crafted WTV file. The overflow causes the bounds-check guard...
JLSEC-2026-1150
NATS Server is a high-performance server for NATS.io, the cloud and edge native messaging system. Prior to 2.12.8 and 2.11.17, an unauthenticated peer with network access to a leafnode listener with compression enabled could crash the server during the pre-authentication leafnode handshake by...
JLSEC-2026-1068 ImageMagick before 7.1.2-26 and 6.9.13-51 contains an information disclosure vulnerability: when...
ImageMagick before 7.1.2-26 and 6.9.13-51 contains an information disclosure vulnerability: when a profile is displayed with the identify command and the profile value is not printable, a single byte at the end of the profile can be printed read past the profile boundary. This behavior occurs whe...
JLSEC-2026-921 imagemagick: integer overflows in MNG magnification
Vulnerability Details The magnified size calculations in ReadOneMNGIMage in coders/png.c are unsafe and can overflow, leading to memory corruption. The source snippet below is heavily abbreviated due to the size of the function, but hopefully the important points are captured. c static Image...
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-2026-783
A flaw was found in libssh in which a malicious SFTP SSH File Transfer Protocol server can exploit this by sending a malformed 'longname' field within an SSHFXPNAME message during a file listing operation. This missing null check can lead to reading beyond allocated memory on the heap. This can...
JLSEC-2026-779
A malicious SCP server can send unexpected paths that could make the client application override local files outside of working directory. This could be misused to create malicious executable or configuration files and make the user execute them under specific consequences. This is the same issue...
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-2026-760
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-2026-677 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-2026-681 The side-channel protected T-Table implementation in wolfSSL up to version 5.6.5 protects against a...
The side-channel protected T-Table implementation in wolfSSL up to version 5.6.5 protects against a side-channel attacker with cache-line resolution. In a controlled environment such as Intel SGX, an attacker can gain a per instruction sub-cache-line resolution allowing them to break the...
JLSEC-2026-749 HMAC zero-length tag forgery in `EVP_DigestVerifyFinal`, where a zero-length tag could be accepted...
HMAC zero-length tag forgery in EVPDigestVerifyFinal, where a zero-length tag could be accepted as valid during HMAC verification. In the OpenSSL-compatibility HMAC verify path the supplied signature length was only checked as not exceeding the MAC length, so a zero-length or otherwise truncated...
JLSEC-2026-720 Heap out-of-bounds read in PKCS7 parsing
Heap out-of-bounds read in PKCS7 parsing. A crafted PKCS7 message can trigger an OOB read on the heap. The missing bounds check is in the indefinite-length end-of-content verification loop in PKCS7VerifySignedData...
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...
JLSEC-2026-646 When decoding an OpenEXR file that uses DWAA or DWAB compression, there's an implicit assumption...
When decoding an OpenEXR file that uses DWAA or DWAB compression, there's an implicit assumption that all image channels have the same pixel type and size, and that if there are four channels, the first four are "B", "G", "R" and "A". The channel parsing code can be found in decodeheader. The...
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-2026-652 FFmpeg before 8.1 has an integer overflow and resultant out-of-bounds write via CENC (Common...
FFmpeg before 8.1 has an integer overflow and resultant out-of-bounds write via CENC Common Encryption subsample data to libavformat/mov.c...
JLSEC-2026-623 Insufficient HTTP/2 pseudo-header and Host/:authority validation in HTTP.jl server
Description The HTTP/2 server's request validator passed only :method, :path, and :authority through a normalizer that rejects CR/LF/CTL but permits SP/HTAB and applies no host or token grammar. As a result a :method such as "GET /admin?x=" was accepted, :path could carry interior whitespace, and...
JLSEC-2026-620 WebSocket reader data race in auto-PONG/CLOSE-echo handling in HTTP.jl
Description The WebSocket reader task processed incoming frames by calling wsonincomingdata! without holding ws.sendlock. That function is not a pure parser: its auto-PONG and CLOSE-echo paths push! onto the shared ws.codec.outgoingframes vector, while application send/ping/pong/close paths mutat...
JLSEC-2026-604
Use of inherently dangerous function PQfn..., resultisint=0, ... in PostgreSQL libpq loexport, loread, lolseek64, and lotell64 functions allows the server superuser to overwrite a client stack buffer with an arbitrarily-large response. Like gets, PQfn..., resultisint=0, ... stores arbitrary-lengt...
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-2026-515
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-2026-464 Mbed TLS might use cloned PSA random generator states
Mbed TLS before 3.6.6 and TF-PSA-Crypto before 1.1.0 misuse seeds in a Pseudo-Random Number Generator PRNG...
JLSEC-2026-393
curl 7.84.0 supports "chained" HTTP compression algorithms, meaning that a serverresponse can be compressed multiple times and potentially with different algorithms. The number of acceptable "links" in this "decompression chain" was unbounded, allowing a malicious server to insert a virtually...
JLSEC-2026-385
An improper authentication vulnerability exists in curl 7.33.0 to and including 7.82.0 which might allow reuse OAUTH2-authenticated connections without properly making sure that the connection was authenticated with the same credentials as set for this transfer. This affects SASL-enabled protocol...
JLSEC-2026-433 libcurl supports *pinning* of the server certificate public key for HTTPS transfers
libcurl supports pinning of the server certificate public key for HTTPS transfers. Due to an omission, this check is not performed when connecting with QUIC for HTTP/3, when the TLS backend is wolfSSL. Documentation says the option works with wolfSSL, failing to specify that it does not for QUIC...
JLSEC-2026-380
In libexpat before 2.7.4, the doContent function does not properly determine the buffer size bufSize because there is no integer overflow check for tag buffer reallocation...
JLSEC-2026-377
There exists interger overflows in libvpx in versions prior to 1.14.1. Calling vpximgalloc with a large value of the dw, dh, or align parameter may result in integer overflows in the calculations of buffer sizes and offsets and some fields of the returned vpximaget struct may be invalid. Calling...
JLSEC-2026-374
VP9 in libvpx before 1.13.1 mishandles widths, leading to a crash related to encoding...
JLSEC-2026-364
There is a heap overflow problem in video/SDLpixels.c in SDL Simple DirectMedia Layer 2.x to 2.0.18 versions. By crafting a malicious .BMP file, an attacker can cause the application using this library to crash, denial of service or Code execution...
JLSEC-2026-343
A vulnerability classified as problematic was found in HDF5 1.14.6. This vulnerability affects the function H5Ofsinfoencode of the file /src/H5Ofsinfo.c. The manipulation leads to heap-based buffer overflow. It is possible to launch the attack on the local host. The exploit has been disclosed to...
JLSEC-2026-335
A vulnerability has been found in HDF5 up to 1.14.6 and classified as problematic. This vulnerability affects the function H5MMrealloc of the file src/H5MM.c. The manipulation of the argument mem leads to double free. The attack needs to be approached locally. The exploit has been disclosed to th...
JLSEC-2026-336
A vulnerability was found in HDF5 up to 1.14.6 and classified as problematic. This issue affects the function H5Ocachechkserialize of the file src/H5Ocache.c. The manipulation leads to null pointer dereference. An attack has to be approached locally. The exploit has been disclosed to the public a...
JLSEC-2026-222 Integer Overflow in openssl-src
The OpenSSL public API function X509issuerandserialhash attempts to create a unique hash value based on the issuer and serial number data contained within an X509 certificate. However it fails to correctly handle any errors that may occur while parsing the issuer field which might occur if the...
JLSEC-2026-185
In GNU tar before 1.35, mishandled extension attributes in a PAX archive can lead to an application crash in xheader.c...
JLSEC-2026-125 In libavif before 1.3.0, makeRoom in stream.c has an integer overflow and resultant buffer overflow...
In libavif before 1.3.0, makeRoom in stream.c has an integer overflow and resultant buffer overflow in stream-offset+size...
JLSEC-2026-122
Integer overflow in libaom internal function imgallochelper can lead to heap buffer overflow. This function can be reached via 3 callers: - Calling aomimgalloc with a large value of the dw, dh, or align parameter may result in integer overflows in the calculations of buffer sizes and offsets and...
JLSEC-2026-98 Deno's static imports inside dynamically imported modules do not adhere to permission checks
Impact Modules that are dynamically imported through import or new Worker might have been able to bypass network and file system permission checks when statically importing other modules. In Deno 1.5.x and 1.6.x only programs dynamically importing especially transitively untrusted code are...
JLSEC-2026-22
The function "Token& Scanner::peek" in scanner.cpp in yaml-cpp 0.5.3 and earlier allows remote attackers to cause a denial of service assertion failure and application exit via a '!2' string...
JLSEC-2026-20
Hyperium Hyper before 0.14.19 does not allow for customization of the maxheaderlistsize method in the H2 third-party software, allowing attackers to perform HTTP2 attacks...
JLSEC-2025-325 A flaw was found in rsync
A flaw was found in rsync. It could allow a server to enumerate the contents of an arbitrary file from the client's machine. This issue occurs when files are being copied from a client to a server. During this process, the rsync server will send checksums of local data to the client to compare wi...
JLSEC-2025-274 Divide By Zero error in tiffcrop in libtiff 4.4.0 allows attackers to cause a denial-of-service via...
Divide By Zero error in tiffcrop in libtiff 4.4.0 allows 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 f3a5e010...
JLSEC-2025-204 An issue was discovered in Arm Mbed TLS before 2.23.0
An issue was discovered in Arm Mbed TLS before 2.23.0. Because of a side channel in modular exponentiation, an RSA private key used in a secure enclave could be disclosed...
JLSEC-2025-203 In Trusted Firmware Mbed TLS 2.24.0, a side-channel vulnerability in base64 PEM file decoding allows...
In Trusted Firmware Mbed TLS 2.24.0, a side-channel vulnerability in base64 PEM file decoding allows system-level administrator attackers to obtain information about secret RSA keys via a controlled-channel and side-channel attack on software running in isolated environments that can be single...