netty-codec-haproxy: Netty HAProxy PROXY protocol v2 codec: Denial of Service via memory leak from crafted PROXY protocol headers

A flaw was found in the Netty HAProxy PROXY protocol v2 codec. A remote attacker can exploit this vulnerability by sending a specially crafted HAProxy PROXY protocol v2 header with nested PP2TYPESSL type-length-value TLV records. This can lead to a memory leak, causing the underlying cumulation...

netty-codec-haproxy: Netty-codec-haproxy: Denial of Service via malformed HAProxy message

A flaw was found in netty-codec-haproxy, a component of the Netty network application framework. A remote attacker can exploit this vulnerability by sending a specially crafted HAProxy message with a malformed PP2TYPESSL TLV Type-Length-Value header. This can lead to an IndexOutOfBoundsException...

CVE-2026-78122-POC

CVE-2026-78122 — 개념 증명 Tecnativadocker-socket-proxy ≤ 0.5.0 — 불충분한 접근 제어 세분화CWE-1220 CVSS 4.0: 8.3 높음 — CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N 공격 벡터는 인접AdjacentAV:A입니다. 공격자는 프록시에 로컬/인접 네트워크로 도달할 수 있어야 합니다. 이것이 바로 라우팅 가능한 인터페이스에서 프록시를 격리하는 것이 완화 조치의 일부인 이유입니다...

Astra Linux – Vulnerability in HAPProxy

A issue was discovered in HAProxy 2.2 before 2.2.16, 2.3 before 2.3.13, and 2.4 before 2.4.3. This issue can lead to a situation where the HTTP Host header is controlled by an attacker, due to a mismatch between the Host field and its corresponding authority value being mishandled...

CVE-2021-40346

CVE-2021-40346: HTTP-контрабанда запросов HAProxy - обход ACL Обзор Этот проект демонстрирует CVE-2021-40346 , критическую уязвимость целочисленного переполнения в HAProxy, которая позволяет проводить атаки HTTP-контрабанды запросов для обхода средств защиты. Оценка CVSSv3: 7.5 Высокая Авторы: 1...

CentOS Linux 7 [TuxCare] Security Update: haproxy (CENTOS7:CLSA-2026:1790671238)

The CentOS Linux 7 host has a package installed that is affected by a vulnerability as referenced in the TuxCare CENTOS7:CLSA-2026:1790671238 advisory. - HAProxy before 2.8.2 accepts as part of the URI component, which might allow remote attackers to obtain sensitive information or have unspecifi...

Rocky Linux 8 [CIQ] Security Update: haproxy / haproxy-debuginfo / haproxy-debugsource (crlsa-2026_55859)

The Rocky Linux 8 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-202655859 advisory. haproxy: HAProxy: Denial of Service via HPACK dynamic table insertions CVE-2026-55204 Tenable has extracted the preceding description block directly from the CIQ...

Rocky Linux 8 [CIQ] Security Update: haproxy / haproxy-debuginfo / haproxy-debugsource (crlsa-2024_8849)

The Rocky Linux 8 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-20248849 advisory. haproxy: untrimmed URI fragments may lead to exposure of confidential data on static servers CVE-2023-45539 Tenable has extracted the preceding description block...

AlmaLinux 9.2 [TuxCare] Security Update: haproxy (ALMALINUX9.2:CLSA-2026:1782744931)

The AlmaLinux 9.2 host has a package installed that is affected by a vulnerability as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1782744931 advisory. - HAProxy through 3.4.0, fixed in commit 5985276, contains an integer overflow vulnerability in the fcgiconn structure's drl field that allow...

Rocky Linux 9 [CIQ] Security Update: haproxy / haproxy-debuginfo / haproxy-debugsource Multiple Vulnerabilities (crlsa-2026_55772)

The Rocky Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202655772 advisory. haproxy: HAProxy: Denial of Service via HPACK dynamic table insertions CVE-2026-55204 haproxy: HAProxy: Response smuggling due to integer overflow in...

AlmaLinux 9.2 [TuxCare] Security Update: haproxy (ALMALINUX9.2:CLSA-2026:1783527210)

The AlmaLinux 9.2 host has a package installed that is affected by a vulnerability as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1783527210 advisory. - HAProxy through 3.4.0, fixed in commit 9a6d1fe, contains a null pointer dereference vulnerability in hpackdhtinsert within src/hpack-tbl.c...

AlmaLinux 9.2 [TuxCare] Security Update: haproxy (ALMALINUX9.2:CLSA-2025:1764324159)

The AlmaLinux 9.2 host has a package installed that is affected by a vulnerability as referenced in the TuxCare ALMALINUX9.2:CLSA-2025:1764324159 advisory. - Inefficient algorithm complexity in mjson in HAProxy allows remote attackers to cause a denial of service via specially crafted JSON...

Rocky Linux 10.2 [CIQ] Security Update: haproxy / haproxy-debuginfo / haproxy-debugsource Multiple Vulnerabilities (crlsa-2026_55679)

The Rocky Linux 10.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202655679 advisory. haproxy: HAProxy: Denial of Service via HPACK dynamic table insertions CVE-2026-55204 haproxy: HAProxy: Response smuggling due to integer overflow in...

Rocky Linux 9 [CIQ] Security Update: haproxy / haproxy-debuginfo / haproxy-debugsource (crlsa-2025_21693)

The Rocky Linux 9 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-202521693 advisory. haproxy: denial of service vulnerability in HAProxy mjson library CVE-2025-11230 Tenable has extracted the preceding description block directly from the CIQ securi...

Rocky Linux 10.1 [CIQ] Security Update: haproxy / haproxy-debuginfo / haproxy-debugsource (crlsa-2025_21691)

The Rocky Linux 10.1 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-202521691 advisory. haproxy: denial of service vulnerability in HAProxy mjson library CVE-2025-11230 Tenable has extracted the preceding description block directly from the CIQ...

Rocky Linux 9.6 [CIQ] Security Update: haproxy (ciqsa-2026_1393)

The Rocky Linux 9.6 host has a package installed that is affected by a vulnerability as referenced in the CIQ ciqsa-20261393 advisory. This advisory aggregates security fixes for the haproxy SRPM in CIQ LTS 9.6. It addresses 1 CVE: CVE-2025-32464. Tenable has extracted the preceding description...

AlmaLinux 9.6 [TuxCare] Security Update: haproxy (ALMALINUX9.6:CLSA-2025:1765545936)

The AlmaLinux 9.6 host has a package installed that is affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2025:1765545936 advisory. - Inefficient algorithm complexity in mjson in HAProxy allows remote attackers to cause a denial of service via specially crafted JSON...

Rocky Linux 9.6 [TuxCare] Security Update: haproxy (ALMALINUX9.6:CLSA-2026:1782820521)

The Rocky Linux 9.6 host has a package installed that is affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1782820521 advisory. - HAProxy through 3.4.0, fixed in commit 9a6d1fe, contains a null pointer dereference vulnerability in hpackdhtinsert within src/hpack-tbl....

AlmaLinux 9.2 [TuxCare] Security Update: haproxy (ALMALINUX9.2:CLSA-2025:1736284126)

The AlmaLinux 9.2 host has a package installed that is affected by a vulnerability as referenced in the TuxCare ALMALINUX9.2:CLSA-2025:1736284126 advisory. - An information leak vulnerability was discovered in HAProxy 2.1, 2.2 before 2.2.27, 2.3, 2.4 before 2.4.21, 2.5 before 2.5.11, 2.6 before...

AlmaLinux 9.6 [TuxCare] Security Update: haproxy (ALMALINUX9.6:CLSA-2026:1782820521)

The AlmaLinux 9.6 host has a package installed that is affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1782820521 advisory. - HAProxy through 3.4.0, fixed in commit 9a6d1fe, contains a null pointer dereference vulnerability in hpackdhtinsert within src/hpack-tbl.c...