Security Bulletin: Impacted IBM Optim 1.0.0, 1.1.0 and 1.2.0 by vulnerabilities in libxml2

Summary IBM Optim versions 1.0.0, 1.1.0 and 1.2.0 include an open-source package libxml2 that is affected by three critical-severity vulnerabilities. IBM Optim 2.0.0 resolves these vulnerabilities by upgrading the affected open-source dependency to a fixed version. Vulnerability Details...

Moderate: Red Hat Security Advisory: libsoup security update

An update for libsoup is now available for Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions and Red Hat Enterprise Linux 8.8 Telecommunications Update Service. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring Syst...

SoupWebsocketExtensionDeflate: libsoup: libsoup: WebSocket permessage-deflate Unbounded Decompression Remote Denial of Service

A flaw was found in libsoup's WebSocket implementation when using the permessage-deflate extension. The extension's decompression loop inflate processes data in chunks without enforcing an upper boundary limit on the output buffer size. While libsoup limits the incoming compressed frame size via...

libsoup: SoupWebsocketConnection: libsoup: WebSocket remote denial of service via oversized control frame protocol violation

A vulnerability was found in libsoup's WebSocket frame parsing implementation. The library fails to validate length rules specified in RFC 6455 §5.5, which mandates that all WebSocket control frames e.g., PING, PONG, CLOSE contain a payload of 125 bytes or less. A remote, unauthenticated attacker...

Security Bulletin: Vulnarabilities in kernel, glibc, expat, RMC daemon, httpd and mod_http2 libraries (CVE-2026-46333, CVE-2026-4046, CVE-2026-45186, CVE-2026-14514, CVE-2025-53020, CVE-2026-49975) affect Power HMC.

Summary The kernel, glibc, expat, RMC daemon, httpd and modhttp2 libraries are used by Power Hardware Management Console HMC. HMC has addressed the applicable CVEs. Vulnerability Details CVEID:CVE-2026-4046 DESCRIPTION: The iconv function in the GNU C Library versions 2.43 and earlier may crash d...

CVE-2026-49975

CVE-2026-49975 HTTP/2 Bomb PoC HTTP/2 Remote Denial of Service Vulnerability Replication Tool Vulnerability Overview CVE-2026-49975 is an HTTP/2 denial of service vulnerability affecting major web servers. The vulnerability was discovered by security company Calif using OpenAI Codex in early June...

Important: Red Hat Security Advisory: OpenShift Container Platform 4.22.15 security and extras update

Red Hat OpenShift Container Platform release 4.22.15 is now available with updates to packages and images that fix several bugs. This release includes a security update for Red Hat OpenShift Container Platform 4.22. Red Hat Product Security has rated this update as having a security impact of...

Important: Red Hat Security Advisory: OpenShift Container Platform 4.21.34 security and extras update

Red Hat OpenShift Container Platform release 4.21.34 is now available with updates to packages and images that fix several bugs. This release includes a security update for Red Hat OpenShift Container Platform 4.21. Red Hat Product Security has rated this update as having a security impact of...

RLSA-2026:69113 Moderate: apr-util security update

The mission of the Apache Portable Runtime APR is to provide a free library of C data structures and routines. This library contains additional utility interfaces for APR; including support for XML, LDAP, database interfaces, URI parsing and more. Security Fixes: apr-util: Apache Portable Runtime...

lwIP (Lightweight IP)

ADVISORY SUMMARY Successful exploitation of this vulnerability could result in a system crash, a DoS, or memory corruption, which could lead to code execution on the victim system. 2. RECOMMENDED PRACTICES CISA recommends users take defensive measures to minimize the risk of exploitation of this...

CVE-2002-0200

CVE-2002-0200 Cyberstop Web Server for Windows 0.1 allows remote attackers to cause a denial of service via an HTTP request for an MS-DOS device name. External reference at https://marc.info/?l=bugtraq&m=101174569103289&w=2 Author Alex Hernandez aka @alt3kx...

BigDiskBuster

BigDiskBuster Windows Defender Update Denial of Service Vulnerability This proof of concept is similar to UnDefend, it prevents windows defender from performing platform/signature updates, Seems to work on all supported windows versions but PoC is a bit buggy and needs some rewritting but you get...

http2-bomb

HTTP/2 Bomb — CVE-2026-49975 HTTP/2 Stream Amplification PoC · Docker · Web Console Vulnerability HTTP/2 allows multiplexing multiple streams over a single TCP connection. This PoC crafts specially formed HEADERS frames containing a large number of internal references, forcing the server to...

OpenEXR: OpenEXR: Heap out-of-bounds write in exrmultiview via crafted EXR files

A flaw was found in OpenEXR. A remote attacker could exploit this vulnerability by providing specially crafted EXR image files to the exrmultiview utility. When processing these files, the utility can write beyond its allocated memory on the heap, leading to a heap out-of-bounds write. This could...

misfortune-cookie

CVE-2014-9222 "Misfortune Cookie" PoC suite Stack overflow in AllegroSoft RomPager's HTTP cookie handling all versions 4.34. A single unauthenticated request with a crafted Cookie: header corrupts memory. Effects: admin auth bypass, DoS/reboot, and with firmware-specific offsets remote code...

mod_auth_openidc: mod_auth_openidc: Denial of Service via malformed state cookie parsing

A flaw was found in modauthopenidc, an OpenID Connect Relying Party module for Apache HTTP servers. A remote attacker can exploit this vulnerability by sending a specially crafted HTTP request with a malformed state cookie. This can lead to an out-of-bounds read and a one-byte out-of-bounds write...

Important: Red Hat Security Advisory: mod_auth_openidc security update

An update for modauthopenidc is now available for Red Hat Enterprise Linux 9.6 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

CVE-2016-2233

CVE-2016-2233 CVE-2016-2233 es una vulnerabilidad de desbordamiento de búfer basado en pila relacionada con un software de IRC muy utilizado, Hexchat. Construimos un servidor de IRC y lanzamos el ataque sobre él para hacer que todos los clientes conectados al servidor se bloqueen. Explotamos...

kernel: tipc: fix double-free in tipc_buf_append()

A flaw was found in the Linux kernel's Transparent Inter-Process Communication TIPC module. This vulnerability, a double-free, occurs when the tipcbufappend function incorrectly handles memory after a socket buffer skb reallocation. An attacker could potentially exploit this to cause system...

kernel: rtnetlink: add missing netlink_ns_capable() check for peer netns

A flaw was found in the Linux kernel's rtnetlink component. An unprivileged local user, leveraging a user namespace, can exploit a missing CAPNETADMIN capability check in the rtnlnewlink function. This allows the user to create paired network devices in arbitrary network namespaces, including the...