CVE-2026-42530

🛡️ CVE-2026-42530 - NGINX HTTP/3 QUIC 释放后使用漏洞 NGINX HTTP/3 QUIC 中的高危释放后使用漏洞 ⚠️ QPACK 编码器流漏洞 🔍 概述 CVE-2026-42530 是 NGINX 的 ngxhttpv3module 模块中的一个 释放后使用 漏洞。 远程未认证攻击者可以通过在 HTTP/3 上重新打开已关闭的 QPACK 编码器流 来触发此漏洞，导致工作进程崩溃（拒绝服务），并在某些配置下可能导致 远程代码执行 。 🚨 严重性 指标| 评级| 颜色 ---|---|--- CVSS v3.1| 8.1 高危| 🟠 CVSS...

CVE-2026-90678

An issue was discovered in HAProxy 3.3.0 through 3.4.4 and in 3.5-dev1 through 3.5-dev5. Exploitation requires an HTTP/3 frontend: HAProxy must be built with QUIC support and configured with a QUIC bind listener, and the affected traffic must reach a backend over HTTP/1.1 using chunked transfer...

UBUNTU-CVE-2026-90678

An issue was discovered in HAProxy 3.3.0 through 3.4.4 and in 3.5-dev1 through 3.5-dev5. Exploitation requires an HTTP/3 frontend: HAProxy must be built with QUIC support and configured with a QUIC bind listener, and the affected traffic must reach a backend over HTTP/1.1 using chunked transfer...

EUVD-2026-76943

An issue was discovered in HAProxy 3.3.0 through 3.4.4 and in 3.5-dev1 through 3.5-dev5. Exploitation requires an HTTP/3 frontend: HAProxy must be built with QUIC support and configured with a QUIC bind listener, and the affected traffic must reach a backend over HTTP/1.1 using chunked transfer...

AZL-86847 CVE-2026-40460 affecting package nginx for versions less than 1.28.3-4

When NGINX Plus or NGINX Open Source are configured to use the HTTP/3 QUIC module, an attacker may be able to spoof their source IP address allowing for bypass of authorization or bypass of rate limiting. Note: Software versions which have reached End of Technical Support EoTS are not evaluated...

CVE-2026-40460: Authentication Bypass by Spoofing

When NGINX Plus or NGINX Open Source are configured to use the HTTP/3 QUIC module, an attacker may be able to spoof their source IP address allowing for bypass of authorization or bypass of rate limiting. Note: Software versions which have reached End of Technical Support EoTS are not evaluated...

EUVD-2024-22351

Malicious code in bioql PyPI...

TencentOS Server 4: nginx (TSSA-2024:0497)

The version of Tencent Linux installed on the remote TencentOS Server 4 host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the TSSA-2024:0497 advisory. Package updates are available for TencentOS Server 4 that fix the following vulnerabilities...

curl: TLS Cipher Misconfiguration in HTTP/3/QUIC Support

Summary: This vulnerability occurs when the --ciphers option is used with the curl command to manually specify TLS cipher suites. HTTP/3 or QUIC fails to function in this scenario because QUIC does not rely on traditional TLS cipher suites defined for TLS 1.2 or earlier. Consequently, using the...

BIT-NGINX-2024-24989 NGINX HTTP/3 QUIC vulnerability

When NGINX Plus or NGINX OSS are configured to use the HTTP/3 QUIC module, undisclosed requests can cause NGINX worker processes to terminate. Note: The HTTP/3 QUIC module is not enabled by default and is considered experimental. For more information, refer to Support for QUIC and HTTP/3...

CVE-2024-31079: Stack-based Buffer Overflow

When NGINX Plus or NGINX OSS are configured to use the HTTP/3 QUIC module, undisclosed HTTP/3 requests can cause NGINX worker processes to terminate or cause other potential impact. This attack requires that a request be specifically timed during the connection draining process, which the attacke...

CVE-2024-34161: Use After Free

When NGINX Plus or NGINX OSS are configured to use the HTTP/3 QUIC module and the network infrastructure supports a Maximum Transmission Unit MTU of 4096 or greater without fragmentation, undisclosed QUIC packets can cause NGINX worker processes to leak previously freed memory...

CVE-2024-35200: NULL Pointer Dereference

When NGINX Plus or NGINX OSS are configured to use the HTTP/3 QUIC module, undisclosed HTTP/3 requests can cause NGINX worker processes to terminate...

CVE-2024-32760: Out-of-bounds Write

When NGINX Plus or NGINX OSS are configured to use the HTTP/3 QUIC module, undisclosed HTTP/3 encoder instructions can cause NGINX worker processes to terminate or cause or other potential impact...

PT-2024-3974

Name of the Vulnerable Software and Affected Versions NGINX Plus affected versions not specified NGINX OSS affected versions not specified Description The issue is related to a null pointer dereference in the HTTP/3 QUIC module ngx http v3 module of NGINX Plus and NGINX OSS. This can be exploited...

nginx 1.25.x < 1.25.4 DoS

The installed version of nginx is 1.25.x prior to 1.25.4. It may, therefore, affected by the following vulnerabilities: - When NGINX Plus or NGINX OSS are configured to use the HTTP/3 QUIC module, undisclosed requests can cause NGINX worker processes to terminate. Note: The HTTP/3 QUIC module is...

CVE-2024-24990

When NGINX Plus or NGINX OSS are configured to use the HTTP/3 QUIC module, undisclosed requests can cause NGINX worker processes to terminate. Note: The HTTP/3 QUIC module is not enabled by default and is considered experimental. For more information, refer to Support for QUIC and HTTP/3...

Design/Logic Flaw

When NGINX Plus or NGINX OSS are configured to use the HTTP/3 QUIC module, undisclosed requests can cause NGINX worker processes to terminate. Note: The HTTP/3 QUIC module is not enabled by default and is considered experimental. For more information, refer to Support for QUIC and HTTP/3...

CVE-2024-24989 NGINX HTTP/3 QUIC vulnerability

When NGINX Plus or NGINX OSS are configured to use the HTTP/3 QUIC module, undisclosed requests can cause NGINX worker processes to terminate. Note: The HTTP/3 QUIC module is not enabled by default and is considered experimental. For more information, refer to Support for QUIC and HTTP/3...

CVE-2024-24990

When NGINX Plus or NGINX OSS are configured to use the HTTP/3 QUIC module, undisclosed requests can cause NGINX worker processes to terminate. Note: The HTTP/3 QUIC module is not enabled by default and is considered experimental. For more information, refer to Support for QUIC and HTTP/3...