Debian dsa-6291 : haproxy - security update

The remote Debian 13 host has packages installed that are affected by a vulnerability as referenced in the dsa-6291 advisory. - ------------------------------------------------------------------------- Debian Security Advisory DSA-6291-1 [email protected] https://www.debian.org/security/...

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...

SUSE-SU-2026:1568-1 Security update for haproxy

This update for haproxy fixes the following issue: - CVE-2026-33555: Request smuggling via HTTP/3 parser desynchronization bsc1262103...

haproxy-3.3.6+git91.af5637e93-1.1 on GA media (moderate)

haproxy-3.3.6+git91.af5637e93-1.1 on GA media Announcement ID: openSUSE-SU-2026:10581-1 Rating: moderate Cross-References: CVE-2026-33555 CVSS scores: CVE-2026-33555 SUSE : 4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N CVE-2026-33555 SUSE : 6.3...

CVE-2026-33555

creationtimestamp| type| source ---|---|--- 2026-04-16 20:00:04+00:00| published-proof-of-concept| https://t.me/GithubRedTeam/80597 2026-04-16 20:13:19+00:00| seen| https://bsky.app/profile/r-netsec-bot.bsky.social/post/3mjn7v22bv52o 2026-04-17 09:00:04+00:00| published-proof-of-concept|...

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 used for request smuggling. The earliest affected version is 2.6.

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DEBIAN-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...