rpm package
almalinux/haproxy
pkg:rpm/almalinux/haproxy
Vulnerabilities (8)
| CVE | Sev | CVSS | KEV | Affected versions | Fixed in | Published | Description |
|---|---|---|---|---|---|---|---|
| CVE-2026-55204 | Hig | 7.5 | < 3.0.5-6.el10_2.2 | 3.0.5-6.el10_2.2 | Jun 18, 2026 | HAProxy through 3.4.0, fixed in commit 9a6d1fe, contains a null pointer dereference vulnerability in hpack_dht_insert() within src/hpack-tbl.c that fails to validate the return value of hpack_dht_defrag() when the memory pool is exhausted. An attacker can trigger HPACK dynamic t | |
| CVE-2026-55203 | Hig | 7.5 | < 3.0.5-6.el10_2.2 | 3.0.5-6.el10_2.2 | Jun 18, 2026 | HAProxy through 3.4.0, fixed in commit 5985276, contains an integer overflow vulnerability in the fcgi_conn structure's drl field that allows buffer misparse as new FCGI record headers. When contentLength is 65535 and paddingLength is 1 or more, the drl field wraps to 0, causing | |
| CVE-2025-11230 | Hig | 7.5 | < 3.0.5-4.el10_1.1 | 3.0.5-4.el10_1.1 | Nov 19, 2025 | Inefficient algorithm complexity in mjson in HAProxy allows remote attackers to cause a denial of service via specially crafted JSON requests. | |
| CVE-2023-45539 | Hig | 8.2 | < 2.4.22-3.el9_3 | 2.4.22-3.el9_3 | Nov 28, 2023 | HAProxy before 2.8.2 accepts # as part of the URI component, which might allow remote attackers to obtain sensitive information or have unspecified other impact upon misinterpretation of a path_end rule, such as routing index.html#.png to a static server. | |
| CVE-2023-40225 | Hig | 7.2 | < 2.4.22-3.el9_3 | 2.4.22-3.el9_3 | Aug 10, 2023 | 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, and 2.8.x before 2.8.2 forwards empty Content-Length headers, violating RFC 9110 section 8.6. In uncommon cases, an HTTP/1 server behind HAP | |
| CVE-2023-0836 | Hig | 7.5 | < 2.4.22-1.el9 | 2.4.22-1.el9 | Mar 29, 2023 | 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 2.6.8, 2.7 before 2.7.1. There are 5 bytes left uninitialized in the connection buffer when encoding the FCGI_BEGIN_REQUEST record. Sensitive | |
| CVE-2023-0056 | Med | 6.5 | < 2.4.17-3.el9_1.2 | 2.4.17-3.el9_1.2 | Mar 23, 2023 | An uncontrolled resource consumption vulnerability was discovered in HAProxy which could crash the service. This issue could allow an authenticated remote attacker to run a specially crafted malicious server in an OpenShift cluster. The biggest impact is to availability. | |
| CVE-2023-25725 | Cri | 9.1 | < 2.4.17-3.el9_1.2 | 2.4.17-3.el9_1.2 | Feb 14, 2023 | HAProxy before 2.7.3 may allow a bypass of access control because HTTP/1 headers are inadvertently lost in some situations, aka "request smuggling." The HTTP header parsers in HAProxy may accept empty header field names, which could be used to truncate the list of HTTP headers an |
- affected < 3.0.5-6.el10_2.2fixed 3.0.5-6.el10_2.2
HAProxy through 3.4.0, fixed in commit 9a6d1fe, contains a null pointer dereference vulnerability in hpack_dht_insert() within src/hpack-tbl.c that fails to validate the return value of hpack_dht_defrag() when the memory pool is exhausted. An attacker can trigger HPACK dynamic t
- affected < 3.0.5-6.el10_2.2fixed 3.0.5-6.el10_2.2
HAProxy through 3.4.0, fixed in commit 5985276, contains an integer overflow vulnerability in the fcgi_conn structure's drl field that allows buffer misparse as new FCGI record headers. When contentLength is 65535 and paddingLength is 1 or more, the drl field wraps to 0, causing
- affected < 3.0.5-4.el10_1.1fixed 3.0.5-4.el10_1.1
Inefficient algorithm complexity in mjson in HAProxy allows remote attackers to cause a denial of service via specially crafted JSON requests.
- affected < 2.4.22-3.el9_3fixed 2.4.22-3.el9_3
HAProxy before 2.8.2 accepts # as part of the URI component, which might allow remote attackers to obtain sensitive information or have unspecified other impact upon misinterpretation of a path_end rule, such as routing index.html#.png to a static server.
- affected < 2.4.22-3.el9_3fixed 2.4.22-3.el9_3
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, and 2.8.x before 2.8.2 forwards empty Content-Length headers, violating RFC 9110 section 8.6. In uncommon cases, an HTTP/1 server behind HAP
- affected < 2.4.22-1.el9fixed 2.4.22-1.el9
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 2.6.8, 2.7 before 2.7.1. There are 5 bytes left uninitialized in the connection buffer when encoding the FCGI_BEGIN_REQUEST record. Sensitive
- affected < 2.4.17-3.el9_1.2fixed 2.4.17-3.el9_1.2
An uncontrolled resource consumption vulnerability was discovered in HAProxy which could crash the service. This issue could allow an authenticated remote attacker to run a specially crafted malicious server in an OpenShift cluster. The biggest impact is to availability.
- affected < 2.4.17-3.el9_1.2fixed 2.4.17-3.el9_1.2
HAProxy before 2.7.3 may allow a bypass of access control because HTTP/1 headers are inadvertently lost in some situations, aka "request smuggling." The HTTP header parsers in HAProxy may accept empty header field names, which could be used to truncate the list of HTTP headers an