OESA-2026-4080 python-jupyter-server security update

The backend for Jupyter web applications Security Fixes: Jupyter Server is the backend for Jupyter web applications. In jupyterserver versions through 2.17.0, the next query parameter in the login flow is insufficiently validated in LoginFormHandler.redirectsafe, which allows redirects to arbitra...

OESA-2026-4078 lz4-java security update

LZ4 compression for Java, based on Yann Collet's work. This library provides access to two compression methods that both generate a valid LZ4 stream: fast scan LZ4: ° low memory footprint 16 KB, ° very fast fast scan with skipping heuristics in case the input looks incompressible, ° reasonable...

OESA-2026-4077 lz4-java security update

LZ4 compression for Java, based on Yann Collet's work. This library provides access to two compression methods that both generate a valid LZ4 stream: fast scan LZ4: ° low memory footprint 16 KB, ° very fast fast scan with skipping heuristics in case the input looks incompressible, ° reasonable...

OESA-2026-4079 lz4-java security update

LZ4 compression for Java, based on Yann Collet's work. This library provides access to two compression methods that both generate a valid LZ4 stream: fast scan LZ4: ° low memory footprint 16 KB, ° very fast fast scan with skipping heuristics in case the input looks incompressible, ° reasonable...

OESA-2026-4076 libwebsockets security update

Libwebsockets LWS is a flexible, lightweight pure C library for implementing modern network protocols easily with a tiny footprint, using a nonblocking event loop. Security Fixes: libwebsockets HTTP/2 HPACK Path Header Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability. This...

OESA-2026-4075 ffmpeg security update

FFmpeg is a complete and free Internet live audio and video broadcasting solution for Linux/Unix. It also includes a digital VCR. It can encode in real time in many formats including MPEG1 audio and video, MPEG4, h263, ac3, asf, avi, real, mjpeg, and flash. Security Fixes: A flaw was found in...

OESA-2026-4074 flatpak-builder security update

Flatpak-builder is a tool for building flatpaks from sources. Security Fixes: A flaw was found in flatpak-builder where Git hooks are not disabled when applying patch sources with use-git-am: true. An attacker who can provide a malicious source containing a Git post-applypatch hook can cause the...

OESA-2026-4073 util-linux security update

The util-linux package contains a random collection of files that implements some low-level basic linux utilities. Security Fixes: CVE-2026-53612 has no publicly disclosed vulnerability details yet. It is only indexed by the Snyk data source. Details are pending disclosure.CVE-2026-53612 When an...

OESA-2026-4072 rsync security update

Rsync is an open source utility that provides fast incremental file transfer. It uses the "rsync algorithm" which provides a very fast method for bringing remote files into sync. It does this by sending just the differences in the files across the link, without requiring that both sets of files a...

OESA-2026-4070 strongswan security update

The strongSwan IPsec implementation supports both the IKEv1 and IKEv2 key exchange protocols in conjunction with the native NETKEY IPsec stack of the Linux kernel. Security Fixes: In the eap-mschapv2 plugin client-side in strongSwan before 6.0.3, a malicious EAP-MSCHAPv2 server can send a crafted...

OESA-2026-4071 strongswan security update

The strongSwan IPsec implementation supports both the IKEv1 and IKEv2 key exchange protocols in conjunction with the native NETKEY IPsec stack of the Linux kernel. Security Fixes: In the eap-mschapv2 plugin client-side in strongSwan before 6.0.3, a malicious EAP-MSCHAPv2 server can send a crafted...

OESA-2026-4069 git-lfs security update

Git Large File Storage LFS replaces large files such as audio samples, videos, datasets, and graphics with text pointers inside Git, while storing the file contents on a remote server. Security Fixes: Processing an incomplete post-handshake message for a QUIC connection can cause a...

OESA-2026-4067 git-lfs security update

Git Large File Storage LFS replaces large files such as audio samples, videos, datasets, and graphics with text pointers inside Git, while storing the file contents on a remote server. Security Fixes: Processing an incomplete post-handshake message for a QUIC connection can cause a...

OESA-2026-4068 git-lfs security update

Git Large File Storage LFS replaces large files such as audio samples, videos, datasets, and graphics with text pointers inside Git, while storing the file contents on a remote server. Security Fixes: Processing an incomplete post-handshake message for a QUIC connection can cause a...

OESA-2026-4066 python-jwcrypto security update

Implements JWK, JWS, JWE specifications with python-cryptography Security Fixes: A flaw was found in jwcrypto. The JWK.importkey function validates the keyops JWK member for duplicate values using an algorithm with On^2 time complexity, and the length of keyops is not bounded. A remote,...

OESA-2026-4063 libtiff security update

This provides support for the Tag Image File Format TIFF, a widely used format for storing image data. The latest version of the TIFF specification is available on-line in several different formats.And contains command-line programs for manipulating TIFF format image files using the libtiff...

OESA-2026-4065 freeipmi security update

The package provides "Remote-Console" and "System Management software" based on intelligent platform management interface specification. Security Fixes: FreeIPMI before 1.6.19 has a stack-based buffer overflow in ipmiseloemfujitsugetselentrylongtext in...

OESA-2026-4064 python-black security update

The uncompromising code formatter Security Fixes: Black is the uncompromising Python code formatter. Starting in version 24.3.0 and prior to version 26.3.1, Black writes a cache file, the name of which is computed from various formatting options. The value of the --python-cell-magics option was...

OESA-2026-4062 qt5-qtbase security update

Qt is a software toolkit for developing applications. Security Fixes: An out-of-bounds read buffer over-read vulnerability exists in QTextCodec::codecForName in Qt. When the function is called with a QByteArray that is not NUL-terminated for example, one created with QByteArray::fromRawData, the...

OESA-2026-4061 python-templated-dictionary security update

Dictionary where getitem is run through Jinja2 template. Security Fixes: The Mock software contains a vulnerability wherein an attacker could potentially exploit privilege escalation, enabling the execution of arbitrary code with root user privileges. This weakness stems from the absence of prope...

OESA-2026-4060 nodejs-js-yaml security update

This is an implementation of YAML YAML Ain't Markup Language, a human friendly data serialization language. It started as PyYAML port, and was completely rewritten from scratch. Now it's very fast, and supports the 1.2 spec. Security Fixes: js-yaml is a JavaScript YAML parser and dumper. From 3.0...

OESA-2026-4059 libvirt security update

Libvirt is a C toolkit to interact with the virtualization capabilities of recent versions of Linux and other OSes. The main package includes the libvirtd server exporting the virtualization support. Security Fixes: A symlink-following flaw was found in libvirt's qemuTPMEmulatorPrepareHost...

OESA-2026-4058 xapian-core security update

Xapian is an Open Source Search Engine Library, released under the GPL v2+. It is a highly adaptable toolkit which allows developers to easily add advanced indexing and search facilities to their own applications. It has built-in support for several families of weighting models and also supports ...

OESA-2026-4057 cjose security update

Implementation of JOSE for C/C++ Security Fixes: OpenIDC/cjose is a C library implementing the Javascript Object Signing and Encryption JOSE. Prior to version 0.6.2.5, cjose's JWE decryption path for the AES Key Wrap key-management algorithms alg = A128KW, A192KW, A256KW does not validate the...

OESA-2026-4056 gstreamer1-plugins-good security update

GStreamer is a streaming media framework, based on graphs of filters which operate on media data. Applications using this library can do anything from real-time sound processing to playing videos, and just about anything else media-related. Its plugin-based architecture means that new data types ...

OESA-2026-4055 gstreamer1-plugins-good security update

GStreamer is a streaming media framework, based on graphs of filters which operate on media data. Applications using this library can do anything from real-time sound processing to playing videos, and just about anything else media-related. Its plugin-based architecture means that new data types ...

OESA-2026-4054 gstreamer1-plugins-good security update

GStreamer is a streaming media framework, based on graphs of filters which operate on media data. Applications using this library can do anything from real-time sound processing to playing videos, and just about anything else media-related. Its plugin-based architecture means that new data types ...

OESA-2026-4053 gstreamer1-plugins-good security update

GStreamer is a streaming media framework, based on graphs of filters which operate on media data. Applications using this library can do anything from real-time sound processing to playing videos, and just about anything else media-related. Its plugin-based architecture means that new data types ...

OESA-2026-4050 polkit security update

polkit is a toolkit for defining and handling authorizations. It is used for allowing unprivileged processes to speak to privileged processes. Security Fixes: A vulnerability, which was classified as very critical, was found in Polkit. The issue is a stack-based buffer overflow in the readcookie...

OESA-2026-4051 hdf5 security update

HDF5 is a data model, library, and file format for storing and managing data. It supports an unlimited variety of datatypes, and is designed for flexible and efficient I/O and for high volume and complex data. HDF5 is portable and is extensible, allowing applications to evolve in their use of HDF...

OESA-2026-4052 python-Keras security update

Keras is a high-level neural networks API for Python. Security Fixes: A vulnerability in keras-team/keras versions = 3.15.0 allows for a denial of service DoS attack when loading malicious .keras model files via the keras.models.loadmodel function. The H5IOStore.getitem method in...

OESA-2026-4049 activemq security update

The most popular and powerful open source messaging and Integration Patterns server. Security Fixes: Improper input validation in TopicRegion in Apache ActiveMQ, Apache ActiveMQ Broker, and Apache ActiveMQ All on all platforms. An authenticated client can spoof clientId when removing a durable...

OESA-2026-4048 activemq security update

The most popular and powerful open source messaging and Integration Patterns server. Security Fixes: Improper input validation in TopicRegion in Apache ActiveMQ, Apache ActiveMQ Broker, and Apache ActiveMQ All on all platforms. An authenticated client can spoof clientId when removing a durable...

OESA-2026-4046 activemq security update

The most popular and powerful open source messaging and Integration Patterns server. Security Fixes: Improper input validation in TopicRegion in Apache ActiveMQ, Apache ActiveMQ Broker, and Apache ActiveMQ All on all platforms. An authenticated client can spoof clientId when removing a durable...

OESA-2026-4047 activemq security update

The most popular and powerful open source messaging and Integration Patterns server. Security Fixes: Improper input validation in TopicRegion in Apache ActiveMQ, Apache ActiveMQ Broker, and Apache ActiveMQ All on all platforms. An authenticated client can spoof clientId when removing a durable...

OESA-2026-4045 sentencepiece security update

Security Fixes: Invalid memory access in Sentencepiece versions less than 0.2.1 when using a vulnerable model file, which is not created in the normal training procedure.CVE-2026-1260...

OESA-2026-4044 libsoup security update

libsoup is an HTTP client/server library for GNOME. It uses GObjects and the glib main loop, to integrate well with GNOME applications, and also has a synchronous API, for use in threaded applications. Security Fixes: A flaw was found in libsoup's WebSocket implementation when using the...

OESA-2026-4043 libsoup security update

libsoup is an HTTP client/server library for GNOME. It uses GObjects and the glib main loop, to integrate well with GNOME applications, and also has a synchronous API, for use in threaded applications. Security Fixes: A flaw was found in libsoup's WebSocket implementation when using the...

OESA-2026-4042 libsoup security update

libsoup is an HTTP client/server library for GNOME. It uses GObjects and the glib main loop, to integrate well with GNOME applications, and also has a synchronous API, for use in threaded applications. Security Fixes: A flaw was found in libsoup's WebSocket implementation when using the...

OESA-2026-4040 libsoup security update

libsoup is an HTTP client/server library for GNOME. It uses GObjects and the glib main loop, to integrate well with GNOME applications, and also has a synchronous API, for use in threaded applications. Security Fixes: A flaw was found in libsoup's WebSocket implementation when using the...

OESA-2026-4041 libsoup security update

libsoup is an HTTP client/server library for GNOME. It uses GObjects and the glib main loop, to integrate well with GNOME applications, and also has a synchronous API, for use in threaded applications. Security Fixes: A flaw was found in libsoup. The SoupWebsocketConnection may accept a large...

OESA-2026-4039 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved:ALSA: caiaq: Use sndcardfreewhenclosed at disconnectionThe USB disconnect callback is supposed to be short and not too-longwaiting. OTOH, the current code uses...

OESA-2026-4038 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: sctp: purge outqueue on stale COOKIE-ECHO handling sctpstreamupdate is only invoked when the association is moved into COOKIEWAIT during association...

OESA-2026-4037 python-tornado security update

Tornado is a Python web framework and asynchronous networking library, originally developed at FriendFeed. By using non-blocking network I/O, Tornado can scale to tens of thousands of open connections, making it ideal for long polling, WebSockets, and other applications that require a long-lived...

OESA-2026-4036 python-tornado security update

Tornado is a Python web framework and asynchronous networking library, originally developed at FriendFeed. By using non-blocking network I/O, Tornado can scale to tens of thousands of open connections, making it ideal for long polling, WebSockets, and other applications that require a long-lived...

OESA-2026-4035 python-tornado security update

Tornado is a Python web framework and asynchronous networking library, originally developed at FriendFeed. By using non-blocking network I/O, Tornado can scale to tens of thousands of open connections, making it ideal for long polling, WebSockets, and other applications that require a long-lived...

OESA-2026-4034 python-tornado security update

Tornado is a Python web framework and asynchronous networking library, originally developed at FriendFeed. By using non-blocking network I/O, Tornado can scale to tens of thousands of open connections, making it ideal for long polling, WebSockets, and other applications that require a long-lived...

OESA-2026-4033 edk2 security update

EDK II is a modern, feature-rich, cross-platform firmware development environment for the UEFI and PI specifications. Security Fixes: An insecure default to allow UEFI Shell in EDK2 was left enabled in LXD. This allows an OS-resident attacker to bypass Secure Boot.CVE-2023-49721...

OESA-2026-4032 rabbitmq-server security update

RabbitMQ is an implementation of AMQP, the emerging standard for high performance enterprise messaging. The RabbitMQ server is a robust and scalable implementation of an AMQP broker. Security Fixes: RabbitMQ is a multi-protocol messaging and streaming broker. HTTP API did not enforce an HTTP...

OESA-2026-4031 rabbitmq-server security update

RabbitMQ is an implementation of AMQP, the emerging standard for high performance enterprise messaging. The RabbitMQ server is a robust and scalable implementation of an AMQP broker. Security Fixes: RabbitMQ is a multi-protocol messaging and streaming broker. HTTP API did not enforce an HTTP...