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...

CVE-2026-26081

HAProxy Community Edition 3.0 through 3.3 before 3.3.3 lacks a length check for the NEWTOKEN format. HAProxy Enterprise and ALOHA are also affected...

CVE-2026-26081

HAProxy Community Edition 3.0 through 3.3 before 3.3.3 lacks a length check for the NEWTOKEN format. HAProxy Enterprise and ALOHA are also affected...

CVE-2026-26080

HAProxy vulnerability CVE-2026-26080 affects HAProxy Community Edition 3.2.x–3.3.x prior to 3.3.3; HAProxy Enterprise and ALOHA are affected. Root cause: mishandling of varint can cause a loop or crash, leading to DoS. Remediation: upgrade to 3.3.3 or newer (openSUSE/SUSE advisories also referenc...

CVE-2026-26081

HAProxy Community Edition 3.0 through 3.3 before 3.3.3 lacks a length check for the NEWTOKEN format. HAProxy Enterprise and ALOHA are also affected...

EUVD-2026-45989

HAProxy Community Edition 3.0 through 3.3 before 3.3.3 lacks a length check for the NEWTOKEN format. HAProxy Enterprise and ALOHA are also affected...

CVE-2026-26081

HAProxy Community Edition 3.0 through 3.3 before 3.3.3 lacks a length check for the NEWTOKEN format. HAProxy Enterprise and ALOHA are also affected...

CVE-2026-26080

HAProxy Community Edition 3.2.x through 3.3.x before 3.3.3 can enter a loop or crash because varint is mishandled. HAProxy Enterprise and ALOHA are also affected...

CVE-2026-26080: Unchecked Return Value

HAProxy Community Edition 3.2.x through 3.3.x before 3.3.3 can enter a loop or crash because varint is mishandled. HAProxy Enterprise and ALOHA are also affected...

CVE-2026-26080

HAProxy Community Edition 3.2.x through 3.3.x before 3.3.3 can enter a loop or crash because varint is mishandled. HAProxy Enterprise and ALOHA are also affected...

CVE-2026-26080

HAProxy Community Edition 3.2.x through 3.3.x before 3.3.3 can enter a loop or crash because varint is mishandled. HAProxy Enterprise and ALOHA are also affected...

CVE-2026-26080

HAProxy Community Edition 3.2.x through 3.3.x before 3.3.3 can enter a loop or crash because varint is mishandled. HAProxy Enterprise and ALOHA are also affected...

CVE-2026-26080

HAProxy Community Edition 3.2.x through 3.3.x before 3.3.3 can enter a loop or crash because varint is mishandled. HAProxy Enterprise and ALOHA are also affected...

Ubuntu: USN-8036-1 (CVE-2026-26081): HAProxy vulnerability

HAProxy Community Edition 3.0 through 3.3 before 3.3.3 lacks a length check for the NEWTOKEN format. HAProxy Enterprise and ALOHA are also affected...

CVE-2026-26081

CVE-2026-26081 affects HAProxy Community Edition 3.0–3.3 prior to 3.3.3 and HAProxy Enterprise/ALOHA. The issue is a missing length check in the NEW_TOKEN format, enabling a potential denial-of-service condition. The CVSS base score is 4.8 (Medium) with network attack vector, high complexity, no ...

haproxy: HAProxy: Data integrity and availability vulnerability in NEW_TOKEN format

A flaw was found in HAProxy. This vulnerability, stemming from a missing length check in the NEWTOKEN format, could allow a remote attacker to cause a low impact on data integrity and availability. This means an attacker might be able to subtly alter data or temporarily disrupt the service...

Moderate: Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update

An update for Red Hat Hardened Images RPMs is now available. This update includes the following RPMs: haproxy: haproxy-3.0.25-0.1.1.hum1 aarch64, x8664 haproxy-3.0.25-0.1.1.hum1.src src...

haproxy: HAProxy: Denial of Service due to mishandled varint

A flaw was found in HAProxy. An attacker can exploit a vulnerability where the software mishandles varint variable-length integer encoding. This can cause HAProxy to enter an infinite loop or crash, leading to a denial of service for affected systems...

CVE-2026-55203

A flaw was found in HAProxy. A malicious FastCGI Fast Common Gateway Interface backend can exploit an integer overflow vulnerability in the fcgiconn structure's drl field. This occurs when specific contentLength and paddingLength values cause the drl field to wrap to zero, leading to incorrect...

CVE-2026-55204

A flaw was found in HAProxy. An attacker can trigger HPACK dynamic table insertions under memory pressure, leading to a null pointer dereference in the hpackdhtinsert function. This can cause HAProxy worker processes to crash, resulting in a denial of service DoS. Mitigation Mitigation for this...