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haproxy haproxy vulnerabilities and exploits
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NA
CVE-2023-45539
HAProxy prior to 2.8.2 accepts # as part of the URI component, which might allow remote malicious users 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.
Haproxy Haproxy
383
VMScore
CVE-2019-11323
HAProxy prior to 1.9.7 mishandles a reload with rotated keys, which triggers use of uninitialized, and very predictable, HMAC keys. This is related to an include/types/ssl_sock.h error.
Haproxy Haproxy
447
VMScore
CVE-2021-40346
An integer overflow exists in HAProxy 2.0 up to and including 2.5 in htx_add_header that can be exploited to perform an HTTP request smuggling attack, allowing an malicious user to bypass all configured http-request HAProxy ACLs and possibly other ACLs.
Haproxy Haproxy
Haproxy Haproxy 2.5
Debian Debian Linux 11.0
Fedoraproject Fedora 33
Fedoraproject Fedora 34
7 Github repositories
383
VMScore
CVE-2018-11469
Incorrect caching of responses to requests including an Authorization header in HAProxy 1.8.0 up to and including 1.8.9 (if cache enabled) allows malicious users to achieve information disclosure via an unauthenticated remote request, related to the proto_http.c check_request_for...
Haproxy Haproxy
Canonical Ubuntu Linux 18.04
NA
CVE-2023-25725
HAProxy prior to 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 HTT...
Haproxy Haproxy
Debian Debian Linux 10.0
Debian Debian Linux 11.0
445
VMScore
CVE-2021-39240
An issue exists in HAProxy 2.2 prior to 2.2.16, 2.3 prior to 2.3.13, and 2.4 prior to 2.4.3. It does not ensure that the scheme and path portions of a URI have the expected characters. For example, the authority field (as observed on a target HTTP/2 server) might differ from what...
Haproxy Haproxy
Debian Debian Linux 11.0
Fedoraproject Fedora 33
Fedoraproject Fedora 34
445
VMScore
CVE-2021-39241
An issue exists in HAProxy 2.0 prior to 2.0.24, 2.2 prior to 2.2.16, 2.3 prior to 2.3.13, and 2.4 prior to 2.4.3. An HTTP method name may contain a space followed by the name of a protected resource. It is possible that a server would interpret this as a request for that protecte...
Haproxy Haproxy
Debian Debian Linux 11.0
Fedoraproject Fedora 33
Fedoraproject Fedora 34
445
VMScore
CVE-2021-39242
An issue exists in HAProxy 2.2 prior to 2.2.16, 2.3 prior to 2.3.13, and 2.4 prior to 2.4.3. It can lead to a situation with an attacker-controlled HTTP Host header, because a mismatch between Host and authority is mishandled.
Haproxy Haproxy
Debian Debian Linux 11.0
Fedoraproject Fedora 33
Fedoraproject Fedora 34
445
VMScore
CVE-2018-20615
An out-of-bounds read issue exists in the HTTP/2 protocol decoder in HAProxy 1.8.x and 1.9.x up to and including 1.9.0 which can result in a crash. The processing of the PRIORITY flag in a HEADERS frame requires 5 extra bytes, and while these bytes are skipped, the total frame le...
Haproxy Haproxy
Haproxy Haproxy 1.9.0
Opensuse Leap 15.0
Canonical Ubuntu Linux 16.04
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 18.10
Redhat Enterprise Linux 7.4
Redhat Enterprise Linux 7.0
Redhat Enterprise Linux 7.5
Redhat Openshift Container Platform 3.11
Redhat Enterprise Linux 7.6
445
VMScore
CVE-2019-14243
headerv2.go in mastercactapus proxyprotocol prior to 0.0.2, as used in the mastercactapus caddy-proxyprotocol plugin up to and including 0.0.2 for Caddy, allows remote malicious users to cause a denial of service (webserver panic and daemon crash) via a crafted HAProxy PROXY v2 r...
Haproxy Proxyprotocol
VMScore
CVSSv2
CVSSv3
VMScore
Recommendations:
CVE-2024-28995
CVE-2024-36680
CVE-2024-35537
unauthorized
CVE-2024-21518
CVE-2024-37673
cross-site scripting
SSRF
CVE-2024-6241
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