OESA-2026-2086 haproxy security update

HAProxy is a free, very fast and reliable solution offering high availability, load balancing, and proxying for TCP and HTTP-based applications. It is particularly suited for very high traffic web sites and powers quite a number of the world's most visited ones. Security Fixes: An issue was...

OESA-2026-2085 haproxy security update

HAProxy is a free, very fast and reliable solution offering high availability, load balancing, and proxying for TCP and HTTP-based applications. It is particularly suited for very high traffic web sites and powers quite a number of the world's most visited ones. Security Fixes: An issue was...

openSUSE 16 Security Update : haproxy (openSUSE-SU-2026:20618-1)

The remote openSUSE 16 host has a package installed that is affected by a vulnerability as referenced in the openSUSE- SU-2026:20618-1 advisory. Security issue: - CVE-2026-33555: Request smuggling via HTTP/3 parser desynchronization bsc1262103. - bug in SLZ compression bsc1261626. Tenable has...

SUSE SLES15 Security Update : haproxy (SUSE-SU-2026:1568-1)

The remote SUSE Linux SLES15 host has a package installed that is affected by a vulnerability as referenced in the SUSE- SU-2026:1568-1 advisory. This update for haproxy fixes the following issue: - CVE-2026-33555: Request smuggling via HTTP/3 parser desynchronization bsc1262103. Tenable has...

Security update for haproxy (moderate)

openSUSE security update: security update for haproxy ------------------------------------------------------------- Announcement ID: openSUSE-SU-2026:20618-1 Rating: moderate References: bsc1261626 bsc1262103 Cross-References: CVE-2026-33555 CVSS scores: CVE-2026-33555 SUSE : 4...

Security update for haproxy

This update for haproxy fixes the following issue: CVE-2026-33555: Request smuggling via HTTP/3 parser desynchronization bsc1262103. Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST onlineupdate or "zypper patch". Alternatively you can run th...

SUSE-SU-2026:21390-1 Security update for haproxy

This update for haproxy fixes the following issues: Security issue: - CVE-2026-33555: Request smuggling via HTTP/3 parser desynchronization bsc1262103. - bug in SLZ compression bsc1261626...

SUSE-SU-2026:21289-1 Security update for haproxy

This update for haproxy fixes the following issue: - CVE-2026-33555: improper validation when matching a received body length to a previously announced Content-Length can lead to request smuggling due to HTTP/3 parser desynchronization bsc1262103...

SUSE-SU-2026:21318-1 Security update for haproxy

This update for haproxy fixes the following issue: - CVE-2026-33555: improper validation when matching a received body length to a previously announced Content-Length can lead to request smuggling due to HTTP/3 parser desynchronization bsc1262103...

BIT-DOTNET-SDK-2026-25667

ASP.NET Core Kestrel in Microsoft .NET 8.0 before 8.0.22 and .NET 9.0 before 9.0.11 allows a remote attacker to cause excessive CPU consumption by sending a crafted QUIC packet, because of an incorrect exit condition for HTTP/3 Encoder/Decoder stream processing...

BIT-DOTNET-2026-25667

ASP.NET Core Kestrel in Microsoft .NET 8.0 before 8.0.22 and .NET 9.0 before 9.0.11 allows a remote attacker to cause excessive CPU consumption by sending a crafted QUIC packet, because of an incorrect exit condition for HTTP/3 Encoder/Decoder stream processing...

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 improper input validation and encryption signature verification, which may lead...

SUSE CVE-2026-33555

An issue was discovered in HAProxy before 3.3.6. The HTTP/3 parser does not check that the received body length matches a previously announced content-length when the stream is closed via a frame with an empty payload. This can cause desynchronization issues with the backend server and could be...

CVE-2026-33555

An issue was discovered in HAProxy before 3.3.6. The HTTP/3 parser does not check that the received body length matches a previously announced content-length when the stream is closed via a frame with an empty payload. This can cause desynchronization issues with the backend server and could be...

CVE-2026-33555

An issue was discovered in HAProxy before 3.3.6. The HTTP/3 parser does not check that the received body length matches a previously announced content-length when the stream is closed via a frame with an empty payload. This can cause desynchronization issues with the backend server and could be...

UBUNTU-CVE-2026-33555

An issue was discovered in HAProxy before 3.3.6. The HTTP/3 parser does not check that the received body length matches a previously announced content-length when the stream is closed via a frame with an empty payload. This can cause desynchronization issues with the backend server and could be...

CVE-2026-33555

An issue was discovered in HAProxy before 3.3.6. The HTTP/3 parser does not check that the received body length matches a previously announced content-length when the stream is closed via a frame with an empty payload. This can cause desynchronization issues with the backend server and could be...

PT-2026-32395

Name of the Vulnerable Software and Affected Versions HAProxy versions 2.6 through 3.3.5 Description The HTTP/3 parser fails to verify that the received body length aligns with a previously announced content-length when a stream is closed using a frame with an empty payload. This discrepancy can...

CVE-2026-33555

HAProxy

CVE-2026-33555

An issue was discovered in HAProxy before 3.3.6. The HTTP/3 parser does not check that the received body length matches a previously announced content-length when the stream is closed via a frame with an empty payload. This can cause desynchronization issues with the backend server and could be...