1717 matches found
JLSEC-2026-676 If a TLS 1.3 client gets neither a PSK (pre shared key) extension nor a KSE (key share extension)...
If a TLS 1.3 client gets neither a PSK pre shared key extension nor a KSE key share extension when connecting to a malicious server, a default predictable buffer gets used for the IKM Input Keying Material value when generating the session master secret. Using a potentially known IKM value when...
JLSEC-2026-690 A certificate verification error in wolfSSL when building with the `WOLFSSL_SYS_CA_CERTS` and...
A certificate verification error in wolfSSL when building with the WOLFSSLSYSCACERTS and WOLFSSLAPPLENATIVECERTVALIDATION options results in the wolfSSL client failing to properly verify the server certificate's domain name, allowing any certificate issued by a trusted CA to be accepted regardles...
JLSEC-2026-665 libusb before version 1.0.30 contains a NULL pointer dereference vulnerability that allows attackers...
libusb before version 1.0.30 contains a NULL pointer dereference vulnerability that allows attackers to crash applications by supplying a malformed USB configuration descriptor where an interface claims bNumEndpoints greater than zero but is followed by a class-specific descriptor whose bLength...
JLSEC-2026-660 libssh2 through 1.11.1, fixed in commit 1762685, contains a pre-authentication denial of service...
libssh2 through 1.11.1, fixed in commit 1762685, contains a pre-authentication denial of service vulnerability in the SSHMSGEXTINFO handler in src/packet.c that allows a malicious SSH server to cause a client CPU exhaustion loop by sending a crafted extension count value. A malicious server can s...
JLSEC-2026-653 An out-of-bounds write vulnerability in FFmpeg's libavcodec library, specifically in the MagicYUV...
An out-of-bounds write vulnerability in FFmpeg's libavcodec library, specifically in the MagicYUV decoder, allows denial-of-service and, in some cases, can be exploited for remote code execution. This vulnerability is associated with the file libavcodec/magicyuv.C. This issue affects FFmpeg befor...
JLSEC-2026-650
An improper resource deallocation and closure vulnerability in the tools/zmqsend.c component of FFmpeg v8.0.1 allows attackers to cause a Denial of Service DoS via supplying a crafted input file...
JLSEC-2026-641
A NULL pointer dereference vulnerability exists in FFmpeg’s Firequalizer filter libavfilter/affirequalizer.c due to a missing check on the return value of avmallocarray in the configinput function. An attacker could exploit this by tricking a victim into processing a crafted media file with the...
JLSEC-2026-627 In rsync 3.0.1 through 3.4.1, `receive_xattr` relies on an untrusted length value during a qsort...
In rsync 3.0.1 through 3.4.1, receivexattr relies on an untrusted length value during a qsort call, leading to a receiver use-after-free. The victim must run rsync with -X aka --xattrs. On Linux, many but not all common configurations are vulnerable. Non-Linux platforms are more widely vulnerable...
JLSEC-2026-625 A malicious client acting as the receiver of an rsync file transfer can trigger an out of bounds...
A malicious client acting as the receiver of an rsync file transfer can trigger an out of bounds read of a heap based buffer, via a negative array index. The malicious rsync client requires at least read access to the remote rsync module in order to trigger the issue...
JLSEC-2026-624 HTTP/2 client HPACK desynchronization via header blocks for unknown streams in HTTP.jl
Description The HTTP/2 client's processincomingframe! dropped HEADERS/CONTINUATION frames for stream ids absent from conn.streams without passing the header block through the connection's HPACK decoder. Because HPACK's dynamic table is connection-scoped and mutated as a side effect of decoding ea...
JLSEC-2026-615 Cookie jar accepts `Secure/__Host-/__Secure-` cookies from non-secure origins in HTTP.jl
Description setcookies! stored every parsed Set-Cookie after only checking that the response scheme was http or https, with no protection symmetric to the read path shouldsend, which already withholds Secure cookies from non-secure requests. A plaintext http origin could therefore plant a Secure...
JLSEC-2026-570
libheif is a HEIF and AVIF file format decoder and encoder. In versions 1.21.2 and below, a crafted 792-byte HEIF sequence file with samplesperchunk=0 in the stsc box causes an unsigned integer underflow in the Chunk constructor mlastsample = 0 + 0 - 1 = UINT32MAX, mapping all samples to an empty...
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-2026-493 JXL in GraphicsMagick before 1.3.46 lacks image dimension resource limits.
ReadJXLImage in JXL in GraphicsMagick before 1.3.46 lacks image dimension resource limits...
JLSEC-2026-488 A flaw was found in GLib (Gnome Lib)
A flaw was found in GLib Gnome Lib. This vulnerability allows a remote attacker to cause heap corruption, leading to a denial of service or potential code execution via a buffer-underflow in the GVariant parser when processing maliciously crafted input strings...
JLSEC-2026-478
zlib through 1.2.12 has a heap-based buffer over-read or buffer overflow in inflate in inflate.c via a large gzip header extra field. NOTE: only applications that call inflateGetHeader are affected. Some common applications bundle the affected zlib source code but may be unable to call...
JLSEC-2026-458
FreeType commit 53dfdcd8198d2b3201a23c4bad9190519ba918db was discovered to contain a segmentation violation via the function FNTSizeRequest...
JLSEC-2026-386
An insufficiently protected credentials vulnerability exists in curl 4.9 to and include curl 7.82.0 are affected that could allow an attacker to extract credentials when follows HTTPS redirects is used with authentication could leak credentials to other services that exist on different protocols ...
JLSEC-2026-375
Heap buffer overflow in vp8 encoding in libvpx in Google Chrome prior to 117.0.5938.132 and libvpx 1.13.1 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. Chromium security severity: High...
JLSEC-2026-367 A security vulnerability has been detected in Cesanta Mongoose up to 7.20
A security vulnerability has been detected in Cesanta Mongoose up to 7.20. This affects the function getpeer of the file /src/netbuiltin.c of the component TCP Sequence Number Handler. The manipulation leads to improper verification of source of a communication channel. The attack may be initiate...
JLSEC-2026-361
The GD Graphics Library aka LibGD through 2.3.2 has an out-of-bounds read because of the lack of certain gdGetBuf and gdPutBuf return value checks...
JLSEC-2026-360
readheadertga in gdtga.c in the GD Graphics Library aka LibGD through 2.3.2 allows remote attackers to cause a denial of service out-of-bounds read via a crafted TGA file...
JLSEC-2026-355
A flaw was found in gnuplot. The plot3dpoints function may lead to a segmentation fault and cause a system crash...
JLSEC-2026-359
A flaw was found in gnuplot. The X11graphics function may lead to a segmentation fault and cause a system crash...
JLSEC-2026-340
A vulnerability, which was classified as critical, has been found in HDF5 up to 1.14.6. Affected by this issue is the function H5FSsectfindnode of the file H5FSsection.c. The manipulation leads to heap-based buffer overflow. It is possible to launch the attack on the local host. The exploit has...
JLSEC-2026-300
HDF5 Library through 1.14.3 has a heap-based buffer over-read in H5VMmemcpyvv in H5VM.c called from H5Dcompactreadvv in H5Dcompact.c...
JLSEC-2026-345
A vulnerability, which was classified as problematic, was found in HDF5 1.14.6. Affected is the function H5Ochunkprotect of the file /src/H5Ochunk.c. The manipulation leads to heap-based buffer overflow. An attack has to be approached locally. The exploit has been disclosed to the public and may ...
JLSEC-2026-331
A vulnerability classified as problematic has been found in HDF5 up to 1.14.6. This affects the function H5FSsinfoSrializeSctcb of the file src/H5FScache.c. The manipulation of the argument sect leads to heap-based buffer overflow. Local access is required to approach this attack. The exploit has...
JLSEC-2026-326
A vulnerability, which was classified as critical, was found in HDF5 1.14.6. This affects the function H5Zscaleoffsetdecompressonebyte of the component Scale-Offset Filter. The manipulation leads to heap-based buffer overflow. An attack has to be approached locally. The exploit has been disclosed...
JLSEC-2026-312
HDF5 Library through 1.14.3 contains a heap-based buffer over-read caused by the unsafe use of strdup in H5MMxstrdup in H5MM.c called from H5Genttolink in H5Glink.c...
JLSEC-2026-321
HDF5 Library through 1.14.3 has a heap buffer overflow in H5Omtimenewencode in H5Omtime.c...
JLSEC-2026-177
libpcre in PCRE before 8.44 allows an integer overflow via a large number after a ?C substring...
JLSEC-2026-164
A flaw was discovered in OpenLDAP before 2.4.57 leading to an assertion failure in slapd in the saslAuthzTo validation, resulting in denial of service...
JLSEC-2026-168
A flaw was discovered in OpenLDAP before 2.4.57 leading to a memch-bvlen miscalculation and slapd crash in the saslAuthzTo processing, resulting in denial of service...
JLSEC-2026-166
A flaw was discovered in OpenLDAP before 2.4.57 leading to an invalid pointer free and slapd crash in the saslAuthzTo processing, resulting in denial of service...
JLSEC-2026-153
An issue was discovered in libarchive bsdtar before version 3.8.1 in function applysubstitution in file tar/subst.c when processing crafted -s substitution rules. This can cause unbounded memory allocation and lead to denial of service Out-of-Memory crash...
JLSEC-2026-149
OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. From 3.2.0 to before 3.2.7, 3.3.9, and 3.4.9, the DWA lossy decoder constructs temporary per-component block pointers using signed 32-bit arithmetic. Fo...
JLSEC-2026-132
OpenEXR 3.1.x before 3.1.4 has a heap-based buffer overflow in Imf31::LineCompositeTask::execute called from IlmThread31::NullThreadPoolProvider::addTask and IlmThread31::ThreadPool::addGlobalTask. NOTE: db217f2 may be inapplicable...
JLSEC-2026-147
OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. From version 3.4.0 to before version 3.4.7, an attacker providing a crafted .exr file with HTJ2K compression and a channel width of 32768 can write...
JLSEC-2026-126 In libavif before 1.3.0, avifImageRGBToYUV in reformat.c has integer overflows in multiplications...
In libavif before 1.3.0, avifImageRGBToYUV in reformat.c has integer overflows in multiplications involving rgbRowBytes, yRowBytes, uRowBytes, and vRowBytes...
JLSEC-2026-121 Beginning in v1.4.1 and prior to v1.4.9, due to an incomplete fix for CVE-2021-24031, the Zstandard...
Beginning in v1.4.1 and prior to v1.4.9, due to an incomplete fix for CVE-2021-24031, the Zstandard command-line utility created output files with default permissions and restricted those permissions immediately afterwards. Output files could therefore momentarily be readable or writable to...
JLSEC-2026-113 Deno is Vulnerable to Command Injection on Windows During Batch File Execution
Summary Deno versions up to 2.5.1 are vulnerable to Command Line Injection attacks on Windows when batch files are executed. Details In Windows, CreateProcess always implicitly spawns cmd.exe if a batch file .bat, .cmd, etc. is being executed even if the application does not specify it via the...
JLSEC-2026-88
An issue in the pdfseparate utility of freedesktop poppler v25.04.0 allows attackers to cause an infinite recursion via supplying a crafted PDF file. This can lead to a Denial of Service DoS...
JLSEC-2026-65
sshd in OpenSSH 6.2 through 8.x before 8.8, when certain non-default configurations are used, allows privilege escalation because supplemental groups are not initialized as expected. Helper programs for AuthorizedKeysCommand and AuthorizedPrincipalsCommand may run with privileges associated with...
JLSEC-2026-48
Client use of server error message in PostgreSQL allows a server not trusted under current SSL or GSS settings to furnish arbitrary non-NUL bytes to the libpq application. For example, a man-in-the-middle attacker could send a long error message that a human or screen-scraper user of psql mistake...
JLSEC-2026-37
A flaw was found in PostgreSQL. There is an issue with incomplete efforts to operate safely when a privileged user is maintaining another user's objects. The Autovacuum, REINDEX, CREATE INDEX, REFRESH MATERIALIZED VIEW, CLUSTER, and pgamcheck commands activated relevant protections too late or no...
JLSEC-2026-24
It was found that PostgreSQL versions before 12.4, before 11.9 and before 10.14 did not properly sanitize the searchpath during logical replication. An authenticated attacker could use this flaw in an attack similar to CVE-2018-1058, in order to execute arbitrary SQL command in the context of the...
JLSEC-2026-15
A double free exists in the anotherhunk function in pch.c in GNU patch through 2.7.6...
JLSEC-2026-4 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. The nghttp2 library prior to version 1.61.0 keeps reading the unbounded number of HTTP/2 CONTINUATION frames even after a stream is reset to keep HPACK context in sync. This causes excessive CPU usage to decode HPACK...
JLSEC-2025-332 A flaw was found in libssh when using the ChaCha20 cipher with the OpenSSL library
A flaw was found in libssh when using the ChaCha20 cipher with the OpenSSL library. If an attacker manages to exhaust the heap space, this error is not detected and may lead to libssh using a partially initialized cipher context. This occurs because the OpenSSL error code returned aliases with th...