13 results · Feed
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High 7.5
HAProxy 3 before 3.4.6 allows a remote unauthenticated attacker to cause a denial of service (persistent worker-thread …
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Medium 4.8
HAProxy Community Edition 3.0 through 3.3 before 3.3.3 lacks a length check for the NEW_TOKEN format. HAProxy Enterpris…
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High 7.5
HAProxy - NULL Pointer Dereference in hpack_dht_insert Function
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 tri…
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High 7.5
HAProxy - Integer Overflow in FCGI Demux Record Length Field
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…
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Medium 4.0CVE-2026-33555 Public exploit
An issue was discovered in HAProxy before 3.3.6. The HTTP/3 parser does not check that the received body length matches…
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High 7.5
Denial of service vulnerability in HAProxy mjson library
Inefficient algorithm complexity in mjson in HAProxy allows remote attackers to cause a denial of service via specially crafted JSON requests.
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Medium 6.8
HAProxy 2.2 through 3.1.6, in certain uncommon configurations, has a sample_conv_regsub heap-based buffer overflow beca…
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Medium 5.3
QUIC in HAProxy 3.1.x before 3.1-dev7, 3.0.x before 3.0.5, and 2.9.x before 2.9.11 allows opening a 0-RTT session with …
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High 7.5
HAProxy 2.9.x before 2.9.10, 3.0.x before 3.0.4, and 3.1.x through 3.1-dev6 allows a remote denial of service for HTTP/…
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High 8.2CVE-2023-45539 Public exploit
HAProxy before 2.8.2 accepts # as part of the URI component, which might allow remote attackers to obtain sensitive inf…
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Unscored —
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, …
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Critical 9.1CVE-2023-25725 Public exploit
HAProxy before 2.7.3 may allow a bypass of access control because HTTP/1 headers are inadvertently lost in some situati…
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Unscored —CVE-2022-0711 EPSS 17%
A flaw was found in the way HAProxy processed HTTP responses containing the "Set-Cookie2" header. This flaw could allow…