haproxy (SUSE:Linux Enterprise High Availability Extension 15 SP4) — known CVEs & security advisories

Known CVE vulnerabilities and GitHub Security Advisories affecting the SUSE:Linux Enterprise High Availability Extension 15 SP4 package haproxy, with affected version ranges, CVSS severity, EPSS exploit prediction, and CISA KEV status.

CVEs (7)

• CVE-2023-25725 — CVSS 9.1 (critical): HAProxy before 2.7.3 may allow a bypass of access control because HTTP/1 headers are inadvertently lost in some situations, aka "request…
• CVE-2023-45539 — CVSS 8.2 (high): HAProxy before 2.8.2 accepts # as part of the URI component, which might allow remote attackers to obtain sensitive information or have…
• CVE-2025-11230 — CVSS 7.5 (high): Inefficient algorithm complexity in mjson in HAProxy allows remote attackers to cause a denial of service via specially crafted JSON…
• CVE-2022-0711 — CVSS 7.5 (high): A flaw was found in the way HAProxy processed HTTP responses containing the "Set-Cookie2" header. This flaw could allow an attacker to send…
• CVE-2023-40225 — CVSS 7.2 (high): HAProxy through 2.0.32, 2.1.x and 2.2.x through 2.2.30, 2.3.x and 2.4.x through 2.4.23, 2.5.x and 2.6.x before 2.6.15, 2.7.x before 2.7.10…
• CVE-2025-32464 — CVSS 6.8 (medium): HAProxy 2.2 through 3.1.6, in certain uncommon configurations, has a sample_conv_regsub heap-based buffer overflow because of mishandling…
• CVE-2023-0056 — CVSS 6.5 (medium): An uncontrolled resource consumption vulnerability was discovered in HAProxy which could crash the service. This issue could allow an…