Astra Linux – Vulnerability in HAPProxy

Before version 2.7.3, HAProxy might allow a bypass of access control mechanisms, as HTTP/1 headers were inadvertently lost in certain situations, also known as “request smuggling.” The HTTP header parsers in HAProxy might accept empty header field names, which could be used to omit the list of HT...

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...

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 9.6 [CIQ] Security Update: haproxy Multiple Vulnerabilities (ciqsa-2026_1393)

The Rocky Linux 9.6 host has a package installed that is affected by multiple vulnerabilities as referenced in the CIQ ciqsa-20261393 advisory. This advisory aggregates security fixes for the haproxy SRPM in CIQ LTS 9.6. It addresses 17 CVEs: CVE-2023-45539, CVE-2025-32464, CVE-2023-40225,...

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-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 10.1 [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 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...

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...

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...

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...

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

The Rocky Linux 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 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 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 9.6 [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...

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...

CentOS Linux 8.5 [TuxCare] Security Update: haproxy (CENTOS8.5:CLSA-2026:1782825734)

The CentOS Linux 8.5 host has a package installed that is affected by a vulnerability as referenced in the TuxCare CENTOS8.5:CLSA-2026:1782825734 advisory. - HAProxy through 3.4.0, fixed in commit 9a6d1fe, contains a null pointer dereference vulnerability in hpackdhtinsert within src/hpack-tbl.c...

Rocky Linux 9.6 [TuxCare] Security Update: haproxy (ALMALINUX9.6:CLSA-2026:1782725469)

The Rocky Linux 9.6 host has a package installed that is affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1782725469 advisory. - HAProxy through 3.4.0, fixed in commit 5985276, contains an integer overflow vulnerability in the fcgiconn structure's drl field that...

CentOS Linux 6 [TuxCare] Security Update: haproxy (CENTOS6:CLSA-2026:1776337242)

The CentOS Linux 6 host has a package installed that is affected by a vulnerability as referenced in the TuxCare CENTOS6:CLSA-2026:1776337242 advisory. - A flaw was found in HAProxy before 2.0.6. In legacy mode, messages featuring a transfer-encoding header missing the chunked value were not bein...