Haproxy
This hub aggregates every CVE we track for Haproxy, a product in the networking infrastructure space. Use it to gauge the current risk picture and drill into individual advisories.
43
CVEs tracked
2
Critical
22
High
1
In CISA KEV
Severity distribution
HIGH22MEDIUM18CRITICAL2LOW1
Monthly trend
1
1
1
0
0
0
0
1
0
0
0
0
0
0
1
0
0
0
0
1
2
2
2
0
2024-092026-08
Latest CVEs
The 15 most recently published vulnerabilities affecting Haproxy.
- CVE-2026-26081HAProxy Community Edition 3.0 through 3.3 before 3.3.3 lacks a length check for the NEW_TOKEN format. HAProxy Enterprise and ALOHA are also affected.4.8
- CVE-2026-26080HAProxy 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.3.7
- CVE-2026-55204HAProxy - NULL Pointer Dereference in hpack_dht_insert Function7.5
- CVE-2026-55203HAProxy - Integer Overflow in FCGI Demux Record Length Field7.5
- BDU:2026-06268Уязвимость компонента src/cfgparse.c серверного программного обеспечения HAProxy, позволяющая нарушителю вызвать отказ в обслуживании6.2
- BDU:2026-06262Уязвимость компонента src/cfgparse.c серверного программного обеспечения HAProxy, позволяющая нарушителю вызвать отказ в обслуживании6.2
- CVE-2026-33555An issue was discovered in HAProxy before 3.3.6. The HTTP/3 parser does not check that the received body length matches a previously announced content-length when the stream is closed via a frame w...4.0
- CVE-2025-11230Denial of service vulnerability in HAProxy mjson library7.5
- CVE-2025-32464HAProxy 2.2 through 3.1.6, in certain uncommon configurations, has a sample_conv_regsub heap-based buffer overflow because of mishandling of the replacement of multiple short patterns with a longer...6.8
- CVE-2024-53008Inconsistent interpretation of HTTP requests ('HTTP Request/Response Smuggling') issue exists in HAProxy. If this vulnerability is exploited, a remote attacker may access a path that is restricted...5.3
- CVE-2024-49214QUIC 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 a spoofed IP address. This can bypass the IP allow/block list functionality.5.3
- CVE-2024-45506HAProxy 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/2 zero-copy forwarding (h2_send loop) under a certain set of conditions, as ex...7.5
- CVE-2023-45539HAProxy 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...8.2
- CVE-2023-44487The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can reset many streams quickly, as exploited in the wild in August through October 2023.KEV7.5
- CVE-2023-40225HAProxy 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 head...7.2
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