CVE-2017-16943

CVE-2017-16943 환경 구축 root@kitploit: 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 Makefile의 경로 변수와 사용자 이름 수정 root@kitploit: cd .. make -j8 sudo make install...

CVE-2025-53020-PoC

CVE-2025-53020 - Apache httpd HTTP/2 메모리 고갈 PoC 제가 2025년 중반에 발견한 Apache httpd의 HTTP/2 구현에서 메모리 고갈 취약점인 CVE-2025-53020을 시연하는 개념 증명입니다. 📖 심층 분석 : galbarnahum.com/posts/apache-httpd-cve-2025-53020 취약점 개요 Apache httpd는 HTTP/2 헤더 처리를 통해 서비스 거부 공격에 취약합니다. 이 취약점은 HTTP/2 요청에서 반복되는 헤더 이름을 처리할 때 불필요한 메모리...

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...

DEBIAN-CVE-2026-55213

h2o is an HTTP server with support for HTTP/1.x, HTTP/2 and HTTP/3. Prior to commit edd7a120bfc4af11ac0cbebce2a43cc1f93f9af1, when h2o processes a QPACK instruction sent from the peer over HTTP/3, lib/http3/qpack.c might allocate an on-stack buffer as large as approximately 800 KB by calling...

CVE-2026-55213

h2o is an HTTP server with support for HTTP/1.x, HTTP/2 and HTTP/3. Prior to commit edd7a120bfc4af11ac0cbebce2a43cc1f93f9af1, when h2o processes a QPACK instruction sent from the peer over HTTP/3, lib/http3/qpack.c might allocate an on-stack buffer as large as approximately 800 KB by calling...

EUVD-2026-33940

mint: Unbounded CONTINUATION/HEADERS frame accumulation CONTINUATION flood...

Use of Less Trusted Source

Overview hono is an Ultrafast web framework for the Edges Affected versions of this package are vulnerable to Use of Less Trusted Source through the getHeaders processing in the AWS API Gateway v1 EventV1Processor and the Lattice LatticeV2Processor. An attacker can cause a repeated header value t...

CVE-2026-13351 net: Maliciously fragmented IPv6 packets can prevent receiving/processing future incoming packets

Zephyr's IPv6 network stack can be prevented from receiving or processing future incoming packets by sending a small number of maliciously fragmented IPv6 packets. When such a packet is handled by the fragment-header processing path, the associated RX network packet buffer allocated from a memory...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: RDMA/siw: Fixed a potential NULL pointer dereference during header processing. If siwgethdr returns -EINVAL before setrxfpducontext, qp-rxfpdu can be NULL. The error path in siwtcprxdata dereferences qp-rxfpdu-moreddpsegs...

CVE-2026-10725 Protocol::HTTP2 versions through 1.12 for Perl is vulnerable to a HTTP/2 Bomb

Protocol::HTTP2 versions through 1.12 for Perl is vulnerable to a HTTP/2 Bomb. Protocol::HTTP2's inbound HPACK path has no header-list size limit, so a small HTTP/2 request can expand into large server memory the "HTTP/2 bomb". The headersdecode method materialises a full key+value copy per index...

PT-2026-45517

microtar through 0.1.0 contains a stack-based buffer overflow vulnerability in the raw to header function in src/microtar.c that allows attackers to corrupt adjacent stack memory by supplying a crafted TAR archive with non-null-terminated name or linkname fields. The function uses strcpy to copy...

Improper Validation of Syntactic Correctness of Input

Overview org.apache.tomcat:coyote is a maven plugin for Tomcat Connectors and HTTP parser. Affected versions of this package are vulnerable to Improper Validation of Syntactic Correctness of Input in the processing of HTTP/2 request headers. An attacker can cause unexpected behavior or potentiall...

CVE-2026-35547

When processing the header of an incoming message, libnv failed to properly validate the message size. The lack of validation allows a malicious program to write outside the bounds of a heap allocation. This can trigger a crash or system panic, and it may be possible for an unprivileged user to...

CVE-2026-35547 Heap overflow in libnv

When processing the header of an incoming message, libnv failed to properly validate the message size. The lack of validation allows a malicious program to write outside the bounds of a heap allocation. This can trigger a crash or system panic, and it may be possible for an unprivileged user to...