CVE-2026-42530

🛡️ CVE-2026-42530 - NGINX HTTP/3 QUIC Use-After-Free Vulnerability High-Severity Use-After-Free in NGINX HTTP/3 QUIC ⚠️ QPACK Encoder Stream Vulnerability 🔍 Overview CVE-2026-42530 is a use-after-free vulnerability in NGINX's ngxhttpv3module. A remote unauthenticated attacker can trigger it by...

Chromium: CVE-2026-78893 Information leak in QUIC

This CVE was assigned by Chrome. Microsoft Edge Chromium-based ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information...

Chromium: CVE-2026-78966 Externally controlled reference in QUIC

This CVE was assigned by Chrome. Microsoft Edge Chromium-based ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information...

CVE-2026-78966

A flaw was found in Google Chrome. An externally controlled reference within the QUIC protocol could allow a remote attacker to bypass the web origin policy. This vulnerability can be exploited by enticing a user to visit a specially crafted HTML page. The bypass of the web origin policy could le...

Linux Distros Unpatched Vulnerability : CVE-2026-78966

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Externally controlled reference in QUIC in Google Chrome prior to 152.0.7977.65 allowed a remote attacker to bypass web origin policy via a crafted HTML page...

Linux Distros Unpatched Vulnerability : CVE-2026-78893

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Information leak in QUIC in Google Chrome prior to 152.0.7977.65 allowed a remote attacker to leak sensitive information via a crafted HTML page. Chromium...

openssl: QUIC ACK-only packet retention can cause memory exhaustion

A flaw was found in OpenSSL. The QUIC protocol implementation retains metadata for ACK-only packets for the lifetime of a connection, leading to excessive memory consumption. This allows a peer to repeatedly send ack-eliciting packets while not acknowledging ACK-only responses to cause memory...

openssl: QUIC server may trigger double free when processing INITIAL packet

A flaw was found in OpenSSL. A malformed INITIAL packet with an invalid DCID destination connection ID can cause the QUIC server to double free the QRX object. This issue leads to memory corruption, causing the termination of the QUIC server process and resulting in a denial of service...

openssl: QUIC server may trigger double free when processing INITIAL packet

A flaw was found in OpenSSL. A malformed INITIAL packet with an invalid DCID destination connection ID can cause the QUIC server to double free the QRX object. This issue leads to memory corruption, causing the termination of the QUIC server process and resulting in a denial of service...

openssl: QUIC ACK-only packet retention can cause memory exhaustion

A flaw was found in OpenSSL. The QUIC protocol implementation retains metadata for ACK-only packets for the lifetime of a connection, leading to excessive memory consumption. This allows a peer to repeatedly send ack-eliciting packets while not acknowledging ACK-only responses to cause memory...

CVE-2026-78966

Externally controlled reference in QUIC in Google Chrome prior to 152.0.7977.65 allowed a remote attacker to bypass web origin policy via a crafted HTML page. Chromium security severity: Medium...

DEBIAN-CVE-2026-78966

Externally controlled reference in QUIC in Google Chrome prior to 152.0.7977.65 allowed a remote attacker to bypass web origin policy via a crafted HTML page. Chromium security severity: Medium...

DEBIAN-CVE-2026-78893

Information leak in QUIC in Google Chrome prior to 152.0.7977.65 allowed a remote attacker to leak sensitive information via a crafted HTML page. Chromium security severity: Medium...

CVE-2026-78893

Information leak in QUIC in Google Chrome prior to 152.0.7977.65 allowed a remote attacker to leak sensitive information via a crafted HTML page. Chromium security severity: Medium...

CVE-2026-78966

Externally controlled reference in QUIC in Google Chrome prior to 152.0.7977.65 allowed a remote attacker to bypass web origin policy via a crafted HTML page. Chromium security severity: Medium...

CVE-2026-78893

Information leak in QUIC in Google Chrome prior to 152.0.7977.65 allowed a remote attacker to leak sensitive information via a crafted HTML page. Chromium security severity: Medium...

CVE-2026-78966

An externally controlled reference in the QUIC protocol within Google Chrome prior to 152.0.7977.65 allows a remote attacker to bypass the web origin policy by enticing a user to visit a crafted HTML page. Red Hat notes the bypass could lead to unauthorized access to sensitive data or actions wit...

CVE-2026-78966

Externally controlled reference in QUIC in Google Chrome prior to 152.0.7977.65 allowed a remote attacker to bypass web origin policy via a crafted HTML page. Chromium security severity: Medium...

CVE-2026-78966

Externally controlled reference in QUIC in Google Chrome prior to 152.0.7977.65 allowed a remote attacker to bypass web origin policy via a crafted HTML page. Chromium security severity: Medium...

CVE-2026-78893

CVE-2026-78893 is an information disclosure vulnerability in the QUIC (Quick UDP Internet Connections) implementation of Google Chrome prior to version 152.0.7977.65 . A remote attacker can exploit the flaw by enticing a user to visit a crafted HTML page , leading to the leakage of sensitive info...