CVE-2023-21554

CVE-2023-21554-PoC CVE-2023-21554 Windows MessageQueuing PoC， PoC 성공의 징후는 mqsvc.exe 프로세스의 충돌이며, 팝업 메시지가 없으므로 프로세스 모니터와 같은 프로그램에서 확인해야 합니다. Windows 터미널 또는 명령 프롬프트에서 명령을 실행하세요. python poc.py 피해자 PC의 IP 주소를 입력하고 Enter 키를 누르세요...

CVE-2023-21554-PoC

CVE-2023-21554-PoC CVE-2023-21554 Windows MessageQueuing PoC、分析は https://www.zoemurmure.top/posts/cve202321554/ を参照 poc ファイルを実行する前に、対象マシンのIPアドレスを変更する必要があります poc が成功した場合の兆候は、mqsvc.exe プロセスのクラッシュであり、ポップアップメッセージは表示されません。プロセスモニターのようなプログラムで確認する必要があります...

NPM: request-filtering-agent: Synchronous throw from createConnection() for literal private-IP hosts bypasses req.on('error'), crashing the Node.js process

NPM: request-filtering-agent: Synchronous throw from createConnection for literal private-IP hosts bypasses req.on'error', crashing the Node.js process vulnerability discovered by ? in WordPress Npm request-filtering-agent versions 3.2.1...

EUVD-2026-84289

Net::IDN::Punycode versions before 2.590 for Perl allow an out-of-bounds read via integer overflow of the delta accumulator in encodepunycode. The XS backend keeps the punycode delta, and the digit index derived from it, in a signed int. The accumulation delta += m-n h+1 has no overflow check, so...

Unity Linux 20.1050e / 20.1060e / 20.1070-8ae / 20.1070e Security Update: httpd (UTSA-2023-000283)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2023-000283 advisory. A carefully crafted If: request header can cause a memory read, or write of a single zero byte, in a pool heap memory location beyond the header value sent. This cou...

CVE-2026-50572

Envoy is an open source edge and service proxy designed for cloud-native applications. Prior to 1.36.10, 1.37.6, 1.38.4, and 1.39.1, Envoy's HTTP external-authorization client can retain a stale request callback after a request is rejected. When RawHttpClientImpl::onSuccess later processes the...

CVE-2026-73512

CVE-2026-73512 is a use-after-free in Envoy Proxy 's HttpDatagramHandler (QUIC/HTTP3 datagram handling). When Capsule Protocol is enabled, the handler caches the current RequestDecoder pointer. During stream recreation—such as an internal redirect —the ActiveStream is replaced and EnvoyQuicServer...

CVE-2026-73512 Envoy: use-after-free in QUIC on internal redirects

Envoy is an open source edge and service proxy designed for cloud-native applications. Prior to 1.36.10, 1.37.6, 1.38.4, and 1.39.1, Envoy's HttpDatagramHandler caches the current RequestDecoder when Capsule Protocol is enabled. Stream recreation, including an internal redirect, replaces the...

CVE-2026-73512 Envoy: use-after-free in QUIC on internal redirects

Envoy is an open source edge and service proxy designed for cloud-native applications. Prior to 1.36.10, 1.37.6, 1.38.4, and 1.39.1, Envoy's HttpDatagramHandler caches the current RequestDecoder when Capsule Protocol is enabled. Stream recreation, including an internal redirect, replaces the...

CVE-2026-73512 Envoy: use-after-free in QUIC on internal redirects

Envoy is an open source edge and service proxy designed for cloud-native applications. Prior to 1.36.10, 1.37.6, 1.38.4, and 1.39.1, Envoy's HttpDatagramHandler caches the current RequestDecoder when Capsule Protocol is enabled. Stream recreation, including an internal redirect, replaces the...

EUVD-2026-84110

Envoy is an open source edge and service proxy designed for cloud-native applications. Prior to 1.36.10, 1.37.6, 1.38.4, and 1.39.1, Envoy's extauthz filter assumes that a request contains a :path pseudoheader when applying queryparameterstoset or queryparameterstoremove from an authorization...

CVE-2026-73513

CVE-2026-73513 is a heap use-after-free in Envoy's optional oghttp2 upstream HTTP/2 codec. When an untrusted upstream sends a response trailer HEADERS frame without the END_STREAM flag, Envoy completes and deferred-deletes the ActiveRequest while oghttp2 keeps the stream open, leaving a dangling ...

CVE-2026-73513 Envoy: oghttp2 upstream trailers incorrect handling

Envoy is an open source edge and service proxy designed for cloud-native applications. Prior to 1.36.10, 1.37.6, 1.38.4, and 1.39.1, Envoy's optional oghttp2 upstream HTTP/2 codec accepts a response trailer HEADERS frame without ENDSTREAM. Envoy completes and deferred-deletes the ActiveRequest...

CVE-2026-73513 Envoy: oghttp2 upstream trailers incorrect handling

Envoy is an open source edge and service proxy designed for cloud-native applications. Prior to 1.36.10, 1.37.6, 1.38.4, and 1.39.1, Envoy's optional oghttp2 upstream HTTP/2 codec accepts a response trailer HEADERS frame without ENDSTREAM. Envoy completes and deferred-deletes the ActiveRequest...

CVE-2026-50572

Envoy 's HTTP ext_authz client (specifically RawHttpClientImpl::onSuccess) is vulnerable to a use-after-free when a stale request callback is retained after a request is rejected. When the callback owner is destroyed but onSuccess later invokes callbacks_, the proxy process crashes under producti...

CVE-2026-50572 Envoy: ext_authz - RawHttpClientImpl onSuccess 0x0 segfault

Envoy is an open source edge and service proxy designed for cloud-native applications. Prior to 1.36.10, 1.37.6, 1.38.4, and 1.39.1, Envoy's HTTP external-authorization client can retain a stale request callback after a request is rejected. When RawHttpClientImpl::onSuccess later processes the...

EUVD-2026-84102

Envoy is an open source edge and service proxy designed for cloud-native applications. Prior to 1.36.10, 1.37.6, 1.38.4, and 1.39.1, Envoy's HTTP external-authorization client can retain a stale request callback after a request is rejected. When RawHttpClientImpl::onSuccess later processes the...

CVE-2026-50572 Envoy: ext_authz - RawHttpClientImpl onSuccess 0x0 segfault

Envoy is an open source edge and service proxy designed for cloud-native applications. Prior to 1.36.10, 1.37.6, 1.38.4, and 1.39.1, Envoy's HTTP external-authorization client can retain a stale request callback after a request is rejected. When RawHttpClientImpl::onSuccess later processes the...

CVE-2026-50572 Envoy: ext_authz - RawHttpClientImpl onSuccess 0x0 segfault

Envoy is an open source edge and service proxy designed for cloud-native applications. Prior to 1.36.10, 1.37.6, 1.38.4, and 1.39.1, Envoy's HTTP external-authorization client can retain a stale request callback after a request is rejected. When RawHttpClientImpl::onSuccess later processes the...

Chrome-Skia-CVE-2024-8636

Chrome M128 で修正: https://chromereleases.googleblog.com/2024/09/stable-channel-update-for-desktop10.html 再現手順: 1. chromium.diff パッチを chromium に適用します。 2. genskpic.py を実行して drawablepicture.skp.hh を生成し、生成されたファイルを src/gpu/commandbuffer/client に移動します。 3. ブラウザをビルドして起動します。 4. index.html を開いて PoC をトリガーします...