CVE-2025-53020-PoC

CVE-2025-53020 - Apache httpd HTTP/2 Memory Exhaustion PoC A proof of concept demonstrating CVE-2025-53020, a memory exhaustion vulnerability in Apache httpd's HTTP/2 implementation I found in mid-2025. 📖 Deep dive : galbarnahum.com/posts/apache-httpd-cve-2025-53020 Vulnerability Overview Apache...

CVE-2017-16943

CVE-2017-16943 Environment Setup git clone https://github.com/Exim/exim.git git checkout 01c594601670c7e48e676d6c6d32d0f0084067fa cd ./exim/src mkdir Local wget "https://bugs.exim.org/attachment.cgi?id=1051" -O Makefile Modify the path variables and username in the Makefile cd .. make -j8 sudo ma...

CVE-2026-89238

A flaw was found in Apache WSS4J. A remote attacker can exploit an element confusion issue in encrypted header processing by sending a specially crafted message. This vulnerability causes the application to treat an attacker-controlled plaintext element as a decrypted header, potentially leading ...

Astra Linux – vulnerability in linux-6.1, linux-6.12, linux-6.18

In the Linux kernel, the following vulnerability has been resolved: vxlan: use pskbnetworkmaypull for transmitting network layer headers In vxlanxmit, arpreduce, and vxlanmdbentryskbget, pskbmaypull was being called to verify the availability of network layer headers ARP, IPv6/ND, IP/IPv6 MDB key...

CVE-2026-103392

An Out-of-Bounds Write vulnerability in the TCP header processing in Juniper Networks Session Smart Router allows an attacker to corrupt TCP payload data and potentially cause session desynchronization via a transit TCP packet with an oversized SACK option length...

EUVD-2026-112224

An Out-of-Bounds Write vulnerability in the TCP header processing in Juniper Networks Session Smart Router allows an attacker to corrupt TCP payload data and potentially cause session desynchronization via a transit TCP packet with an oversized SACK option length...

CVE-2026-103392 Session Smart Router: A SACK option causes out-of-bounds memory access and TCP payload corruption when TCP sequence stitching is enabled

An Out-of-Bounds Write vulnerability in the TCP header processing in Juniper Networks Session Smart Router allows an attacker to corrupt TCP payload data and potentially cause session desynchronization via a transit TCP packet with an oversized SACK option length...

CVE-2026-103392

The Juniper Networks Session Smart Router is vulnerable to an Out-of-Bounds Write in its TCP header processing. An attacker can exploit this by sending a transit TCP packet with an oversized SACK option length , which allows for the corruption of TCP payload data and potential session desynchroni...

CVE-2026-103392: Juniper Networks Session Smart Router: An Out-of-Bounds Write vulnerability in the TCP header processing in Juniper Networks Session Smart Router allows an…

An Out-of-Bounds Write vulnerability in the TCP header processing in Juniper Networks Session Smart Router allows an attacker to corrupt TCP payload data and potentially cause session desynchronization via a transit TCP packet with an oversized SACK option length...

Juniper Networks Session Smart Router buffer error vulnerability

Buffer error vulnerabilities exist in Juniper Networks Session Smart Router versions prior to 7.0.5, from 7.1.0 up to versions prior to 7.1.7, and from 7.2.0 up to versions prior to 7.2.3. These vulnerabilities stem from an out-of-bounds write during TCP header processing. Attackers can exploit...

PT-2026-128273

An Out-of-Bounds Write vulnerability in the TCP header processing in Juniper Networks Session Smart Router allows an attacker to corrupt TCP payload data and potentially cause session desynchronization via a transit TCP packet with an oversized SACK option length...

Kibana Output Encoding

The vulnerability of the Kibana data visualization service is related to the lack of mechanisms for encoding or shielding the output data during header processing. Exploiting this vulnerability allows a malicious actor to compromise the confidentiality, integrity, and accessibility of the protect...

Denial Of Service

Apache CXF is vulnerable to Denial Of Service. The vulnerability is due to incomplete mitigation of attachment-header processing, allowing an attacker to send a message containing many attachment headers and cause excessive resource consumption...

Astra Linux – Vulnerability in Tomcat9

Improper handling of exceptional conditions, and uncontrolled resource consumption vulnerabilities in Apache Tomcat. When processing an HTTP/2 stream, Tomcat failed to correctly handle some cases of excessive HTTP headers. This resulted in an incorrect count of active HTTP/2 streams, leading to t...

ROS-20260817-73-0217

The vulnerability in Ruby is related to uncontrolled resource consumption due to filtering and reducing data to unsafe values during the processing of HTTP headers. Exploiting this vulnerability can allow an attacker to cause service failures, provided that the default configurations of...

Linux Distros Unpatched Vulnerability : CVE-2026-45100

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - OpenSIPS is a Session Initiation Protocol SIP server implementation. Versions 3.4.0-beta through 3.6.5 and 4.0.0-beta contain a buffer overflow in the s.b64enco...

USN-8591-1 python-aiohttp vulnerabilities

Sean Gilligan discovered that AIOHTTP did not properly limit memory usage when processing HTTP headers and trailers. An attacker could possibly use this issue to consume excessive system resources, resulting in a denial of service. CVE-2026-22815 It was discovered that AIOHTTP did not properly...

USN-8591-1: AIOHTTP vulnerabilities

Sean Gilligan discovered that AIOHTTP did not properly limit memory usage when processing HTTP headers and trailers. An attacker could possibly use this issue to consume excessive system resources, resulting in a denial of service. CVE-2026-22815 It was discovered that AIOHTTP did not properly...

Denial Of Service (DoS)

websocket-driver is vulnerable to Denial Of Service DoS. The vulnerability is due to the lack of limits on processing HTTP request or response headers during the WebSocket handshake, which allows an attacker to send an endless list of headers and exhaust the receiving process's memory, resulting ...

PT-2026-59604

Summary PackInfo. read uses an On^2 cumulative sum pattern where numstreams is read directly from the archive header. A crafted .7z archive with a large numstreams value causes excessive CPU consumption during SevenZipFile. init — no extraction is needed. A 50 KB archive takes 7 seconds of CPU...