CVE-2026-21435

Technical details for CVE-2026-21435 are not publicly available in the provided connected documents. Monitor for updates.

GHSA-PX4R-G4P3-HHQV webtransport-go: CloseWithError can block indefinitely

Summary An attacker can cause a denial of service in webtransport-go by preventing or indefinitely delaying WebTransport session closure. A malicious peer can withhold QUIC flow control credit on the CONNECT stream, blocking transmission of the WTCLOSESESSION capsule and causing the close operati...

[SECURITY] [DSA 6130-1] haproxy security update

------------------------------------------------------------------------- Debian Security Advisory DSA-6130-1 [email protected] https://www.debian.org/security/ Salvatore Bonaccorso February 12, 2026 https://www.debian.org/security/faq -...

PT-2026-7869

Name of the Vulnerable Software and Affected Versions webtransport-go versions prior to 0.10.0 Description A malicious peer can cause a denial of service in webtransport-go by preventing or indefinitely delaying WebTransport session closure. Specifically, a peer can withhold QUIC flow control...

Debian dsa-6130 : haproxy - security update

The remote Debian 13 host has packages installed that are affected by a vulnerability as referenced in the dsa-6130 advisory. - ------------------------------------------------------------------------- Debian Security Advisory DSA-6130-1 [email protected] https://www.debian.org/security/...

HAProxy 安全漏洞

HAProxy is an open-source TCP/HTTP load balancing server developed by the French company HAProxy. This server provides layer-4 and layer-7 proxy services and can support tens of thousands of connections. It features efficiency and stability. However, HAProxy has security vulnerabilities,...

K000159924: OpenSSL vulnerability CVE-2025-15468

Security Advisory Description Issue summary: If an application using the SSLCIPHERfind function in a QUIC protocol client or server receives an unknown cipher suite from the peer, a NULL dereference occurs. Impact summary: A NULL pointer dereference leads to abnormal termination of the running...

CVE-2026-1788

: Out-of-bounds Write vulnerability in Xquic Project Xquic Server xquic on Linux QUIC protocol implementation, packet processing module modules allows : Buffer Manipulation.This issue affects Xquic Server: through 1.8.3...

UBUNTU-CVE-2026-1788

: Out-of-bounds Write vulnerability in Xquic Project Xquic Server xquic on Linux QUIC protocol implementation, packet processing module modules allows : Buffer Manipulation.This issue affects Xquic Server: through 1.8.3...

EUVD-2026-5215

: Out-of-bounds Write vulnerability in Xquic Project Xquic Server xquic on Linux QUIC protocol implementation, packet processing module modules allows : Buffer Manipulation.This issue affects Xquic Server: through 1.8.3...

CVE-2026-1788 Buffer Overflow in Xquic Server

: Out-of-bounds Write vulnerability in Xquic Project Xquic Server xquic on Linux QUIC protocol implementation, packet processing module modules allows : Buffer Manipulation.This issue affects Xquic Server: through 1.8.3...

CVE-2026-1788

: Out-of-bounds Write vulnerability in Xquic Project Xquic Server xquic on Linux QUIC protocol implementation, packet processing module modules allows : Buffer Manipulation.This issue affects Xquic Server: through 1.8.3...

CVE-2026-1788

CVE-2026-1788 is a reported out-of-bounds write in the Xquic Server (Xquic project) running on Linux, specifically in the QUIC packet processing module. The vulnerability affects Xquic Server versions up to 1.8.3 and is associated with buffer manipulation in the packet processing path, as describ...

CVE-2026-1788 Buffer Overflow in Xquic Server

: Out-of-bounds Write vulnerability in Xquic Project Xquic Server xquic on Linux QUIC protocol implementation, packet processing module modules allows : Buffer Manipulation.This issue affects Xquic Server: through 1.8.3...

XQUIC 安全漏洞

XQUIC is an open-source cross-platform implementation code base for QUIC and HTTP/3 protocols developed by Alibaba. Versions of XQUIC 1.8.3 and earlier contain security vulnerabilities. These vulnerabilities stem from out-of-bounds write-ups in the QUIC protocol implementation on Linux, which may...

PT-2026-5770

: Out-of-bounds Write vulnerability in Xquic Project Xquic Server xquic on Linux QUIC protocol implementation, packet processing module modules allows : Buffer Manipulation.This issue affects Xquic Server: through 1.8.3...

CVE-2026-1788

: Out-of-bounds Write vulnerability in Xquic Project Xquic Server xquic on Linux QUIC protocol implementation, packet processing module modules allows : Buffer Manipulation.This issue affects Xquic Server: through 1.8.3...

SUSE CVE-2025-15468

Issue summary: If an application using the SSLCIPHERfind function in a QUIC protocol client or server receives an unknown cipher suite from the peer, a NULL dereference occurs. Impact summary: A NULL pointer dereference leads to abnormal termination of the running process causing Denial of Servic...

openssl: OpenSSL: Denial of Service via NULL pointer dereference in QUIC protocol handling

A flaw was found in openssl. A remote attacker could trigger a NULL pointer dereference by sending an unknown or unsupported cipher ID during the client hello callback in applications using the QUIC Quick UDP Internet Connections protocol. This vulnerability, occurring when the SSLCIPHERfind...

openssl: OpenSSL: Denial of Service via NULL pointer dereference in QUIC protocol handling

A flaw was found in openssl. A remote attacker could trigger a NULL pointer dereference by sending an unknown or unsupported cipher ID during the client hello callback in applications using the QUIC Quick UDP Internet Connections protocol. This vulnerability, occurring when the SSLCIPHERfind...