mod_http2: Apache HTTP Server: HTTP/2 DoS by Memory Increase

A flaw was found in Apache HTTP Server. This late release of memory after effective lifetime vulnerability allows a remote, unauthenticated attacker to cause a denial of service DoS. The vulnerability can lead to resource exhaustion, making the server unavailable to legitimate users...

httpd: HTTP/2: Remote Denial of Service via compression bomb and Slowloris-style attack

A flaw was found in HTTP/2, affecting various web servers. A remote attacker can exploit this vulnerability by combining an HPACK compression bomb with a zero-byte flow-control window. This technique allows a small amount of data to expand into large memory allocations on the server, which are th...

Linux Distros Unpatched Vulnerability : CVE-2026-49337

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - libde265 is an open source implementation of the h.265 video codec. Prior to version 1.0.20, a crafted sequence of H.265 NAL units causes...

DEBIAN-CVE-2026-49337

libde265 is an open source implementation of the h.265 video codec. Prior to version 1.0.20, a crafted sequence of H.265 NAL units causes decodercontext::readsliceNAL libde265/decctx.cc:481 to attach slice headers to a finished picture object that has no active image unit, resulting in...

CVE-2026-49337

libde265 is an open source implementation of the h.265 video codec. Prior to version 1.0.20, a crafted sequence of H.265 NAL units causes decodercontext::readsliceNAL libde265/decctx.cc:481 to attach slice headers to a finished picture object that has no active image unit, resulting in...

CVE-2026-49337

libde265 is an open source implementation of the h.265 video codec. Prior to version 1.0.20, a crafted sequence of H.265 NAL units causes decodercontext::readsliceNAL libde265/decctx.cc:481 to attach slice headers to a finished picture object that has no active image unit, resulting in...

CVE-2026-49337

libde265 is an open source implementation of the h.265 video codec. Prior to version 1.0.20, a crafted sequence of H.265 NAL units causes decodercontext::readsliceNAL libde265/decctx.cc:481 to attach slice headers to a finished picture object that has no active image unit, resulting in...

Astra Linux – Vulnerability in libsoup2.4

GNOME libsoup before version 3.6.1 has an infinite loop and consumes a large amount of memory during the reading of certain patterns of WebSocket data from clients...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: rhashtable: A potential deadlock was fixed by moving the schedulework outside of the lock. The check for hash table growth and work scheduling were moved outside of the rht lock to prevent a possible circular locking dependency...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net/ip6tunnel: Prevents perpetual tunnel growth. Similar to the ipv4tunnel case, the ipv6 version also updates dev-neededheadroom. While the growth of tunnel headroom adjustment in commit 5ae1e9922bbd “net: iptunnel: prevent...

CVE-2026-55205 Hermes WebUI < 0.51.468 - Resource Exhaustion via Unauthenticated OAuth Flow Endpoint

Hermes WebUI before 0.51.468 contains a resource exhaustion vulnerability in the unauthenticated POST /api/onboarding/oauth/start endpoint that allows unbounded accumulation of in-memory flow state and daemon threads. Attackers can send repeated or concurrent requests to exhaust server memory and...

SUSE CVE-2026-46340

Netty is a network application framework for development of protocol servers and clients. In versions of netty-transport-sctp prior to 4.1.135.Final and 4.2.15.Final, for each non-complete SctpMessage fragment the handler does fragments.putstreamId, Unpooled.wrappedBufferfrag, byteBuf, wrapping t...

CVE-2026-46340

A flaw was found in netty-transport-sctp. A remote attacker can exploit this vulnerability by sending specially crafted, non-complete Stream Control Transmission Protocol SCTP message fragments. This can lead to unbounded memory growth within the application, causing a Denial of Service DoS...

Unbounded Memory Growth in the QUIC PATH_CHALLENGE Handler

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RLSA-2026:25237 Important: openssl security update

OpenSSL is a toolkit that implements the Secure Sockets Layer SSL and Transport Layer Security TLS protocols, as well as a full-strength general-purpose cryptography library. Security Fixes: openssl: OpenSSL: Heap buffer overflow due to signed integer overflow in Unicode output sizing CVE-2026-73...

RLSA-2026:25239 Important: openssl security update

OpenSSL is a toolkit that implements the Secure Sockets Layer SSL and Transport Layer Security TLS protocols, as well as a full-strength general-purpose cryptography library. Security Fixes: openssl: OpenSSL: Heap buffer overflow due to signed integer overflow in Unicode output sizing CVE-2026-73...

UBUNTU-CVE-2026-46340

Netty is a network application framework for development of protocol servers and clients. In versions of netty-transport-sctp prior to 4.1.135.Final and 4.2.15.Final, for each non-complete SctpMessage fragment the handler does fragments.putstreamId, Unpooled.wrappedBufferfrag, byteBuf, wrapping t...

EUVD-2026-36451

Netty is a network application framework for development of protocol servers and clients. In versions of netty-transport-sctp prior to 4.1.135.Final and 4.2.15.Final, for each non-complete SctpMessage fragment the handler does fragments.putstreamId, Unpooled.wrappedBufferfrag, byteBuf, wrapping t...

CVE-2026-46340 Netty: SCTP reassembly nests buffers without bound

Netty is a network application framework for development of protocol servers and clients. In versions of netty-transport-sctp prior to 4.1.135.Final and 4.2.15.Final, for each non-complete SctpMessage fragment the handler does fragments.putstreamId, Unpooled.wrappedBufferfrag, byteBuf, wrapping t...

CVE-2026-46340

Netty SCTP reassembly vulnerability (CVE-2026-46340) affects netty-transport-sctp before 4.1.135.Final and 4.2.15.Final. For each non-complete SctpMessage fragment, fragments are accumulated by wrapping the previous accumulator with the new slice into a new CompositeByteBuf, creating an unbounded...