CVE-2026-10536 HTTP/2 stream-dependency tree UAF

A use-after-free vulnerability exists in libcurl when an application configures an HTTP/2 stream-dependency tree via CURLOPTSTREAMDEPENDS or CURLOPTSTREAMDEPENDSE, subsequently invokes curleasyreset, and finally terminates the handle with curleasycleanup. During this final cleanup phase, libcurl...

CVE-2026-10536

CVE-2026-10536 describes a use-after-free in libcurl when an application builds an HTTP/2 stream-dependency tree with CURLOPT_STREAM_DEPENDS/CURLOPT_STREAM_DEPENDS_E, then calls curl_easy_reset() and ends with curl_easy_cleanup(). During final cleanup libcurl may access/modify an internal structu...

CVE-2026-10536

A use-after-free vulnerability exists in libcurl when an application configures an HTTP/2 stream-dependency tree via CURLOPTSTREAMDEPENDS or CURLOPTSTREAMDEPENDSE, subsequently invokes curleasyreset, and finally terminates the handle with curleasycleanup. During this final cleanup phase, libcurl...

CVE-2026-10536 HTTP/2 stream-dependency tree UAF

A use-after-free vulnerability exists in libcurl when an application configures an HTTP/2 stream-dependency tree via CURLOPTSTREAMDEPENDS or CURLOPTSTREAMDEPENDSE, subsequently invokes curleasyreset, and finally terminates the handle with curleasycleanup. During this final cleanup phase, libcurl...

CVE-2026-10536

A use-after-free vulnerability exists in libcurl when an application configures an HTTP/2 stream-dependency tree via CURLOPTSTREAMDEPENDS or CURLOPTSTREAMDEPENDSE, subsequently invokes curleasyreset, and finally terminates the handle with curleasycleanup. During this final cleanup phase, libcurl...

PT-2026-55660

Name of the Vulnerable Software and Affected Versions NousResearch hermes-agent versions prior to 2026.4.31 Description An issue exists in the Streaming Reasoning Tag Filter component within the GatewayStreamConsumer. filter and accumulate function located in the gateway/stream consumer.py file...

Improper Handling of Windows DATA Alternate Data Stream

Overview Affected versions of this package are vulnerable to Improper Handling of Windows DATA Alternate Data Stream in the FilePage process on Windows systems when handling filenames with NTFS-equivalent suffixes such as ::$DATA, a trailing dot, or a trailing space. An attacker can obtain the ra...

PYSEC-2026-701 Out-of-bounds Write in OpenCV

OpenCV Open Source Computer Vision Library through 3.3 corresponding to OpenCV-Python and OpenCV-Contrib-Python 3.3.0.9 has an invalid write in the cv::RLByteStream::getBytes function in modules/imgcodecs/src/bitstrm.cpp when reading an image file by using cv::imread, as demonstrated by the...

EUVD-2026-41243

GeoWebPlayer also called "Web Plugin" in the GV-VMS documentation and "WS Player" for VMS-Cloud is an addon that can be installed with various GeoVision software GV-VMS, GV-Cloud, .... It creates a websocket server that expands the capabilities of the various web-interfaces provided by the...

netty: io.netty/netty-codec-compression: io.netty/netty-codec: Netty: Denial of Service via excessive memory allocation in LZ4FrameDecoder

A flaw was found in Netty, an asynchronous, event-driven network application framework. A remote attacker can exploit this vulnerability by sending a specially crafted LZ4 compressed data stream. This can cause the Lz4FrameDecoder to allocate a large amount of memory up to 32 MB per block before...

PT-2026-55477

Name of the Vulnerable Software and Affected Versions Algernon version 1.17.8 Description On Windows hosts using the NTFS filesystem, an unauthenticated client can retrieve the raw source code of server-side scripts such as .lua, .tl, .po2, .amber, or .frm located on public paths. This occurs...

Linux Distros Unpatched Vulnerability : CVE-2026-57204

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - pypdf is a free and open-source pure-python PDF library. Prior to 6.13.3, a maliciously crafted PDF can cause DoS. An attacker who uses this vulnerability can...

CVE-2026-57204

A flaw was found in pypdf, a pure-python PDF library. A remote attacker could exploit this vulnerability by crafting a malicious PDF file that, when parsed, leads to uncontrolled resource consumption and large memory usage. This occurs because the library sometimes ignores defined limits for stre...

kernel: sctp: revalidate list cursor after sctp_sendmsg_to_asoc() in SCTP_SENDALL

A flaw was found in the Linux kernel's Stream Control Transmission Protocol SCTP implementation. A race condition exists in the SCTPSENDALL path where a cached list entry is not properly revalidated after the socket lock is temporarily released. This allows a local attacker or a remote attacker v...

kernel: sctp: revalidate list cursor after sctp_sendmsg_to_asoc() in SCTP_SENDALL

A flaw was found in the Linux kernel's Stream Control Transmission Protocol SCTP implementation. A race condition exists in the SCTPSENDALL path where a cached list entry is not properly revalidated after the socket lock is temporarily released. This allows a local attacker or a remote attacker v...

BIT-ENVOY-2026-48090 Envoy HTTP: OAuth2 filter late async token completion after stream teardown (UAF / crash risk)

Envoy is an open source edge and service proxy designed for cloud-native applications. From 1.37.0 until 1.37.5 and 1.38.3, the HTTP OAuth2 filter envoy.filters.http.oauth2 can leave an in-flight async token exchange attached to a downstream stream that has already been torn down. A late...

BIT-ENVOY-2026-47205 Envoy: ext_authz Use-After-Free during Stream Teardown with Per-Route Overrides

Envoy is an open source edge and service proxy designed for cloud-native applications. From 1.36.0 until 1.36.9, 1.37.5, and 1.38.3, a Use-After-Free UAF vulnerability leading to a sudden segmentation fault exists in Envoy's extauthz HTTP filter when processing per-route authorization overrides...

UBUNTU-CVE-2026-57204

pypdf is a free and open-source pure-python PDF library. Prior to 6.13.3, a maliciously crafted PDF can cause DoS. An attacker who uses this vulnerability can craft a PDF which leads to large memory usage, as MAXDECLAREDSTREAMLENGTH is sometimes ignored. This requires parsing a content stream...

CVE-2026-57204 pypdf: Missing stream length values ignore defined limits

pypdf is a free and open-source pure-python PDF library. Prior to 6.13.3, a maliciously crafted PDF can cause DoS. An attacker who uses this vulnerability can craft a PDF which leads to large memory usage, as MAXDECLAREDSTREAMLENGTH is sometimes ignored. This requires parsing a content stream...

CVE-2026-57204

CVE-2026-57204 affects the Python PDF library pypdf. Before version 6.13.3, a malicious PDF can trigger a DoS by causing excessive memory usage when parsing a content stream without a /Length value, due to MAX_DECLARED_STREAM_LENGTH being ignored. The issue is resolved in pypdf 6.13.3. The vulner...