HAProxy 3.2 before 3.4.6 allows a remote unauthenticated attacker to cause a denial of service (worker-thread CPU exhaustion) via a truncated HTTP/2 PING frame. h2c_handle_ping in src/mux_h2.c does not check for a short read, unlike the other H2 frame handlers. Because the incomp...
Product
redhat/haproxy32 vulnerabilities
3 published CVES affecting redhat/haproxy32, from public sources (CVE.org, NVD, CISA KEV, FIRST EPSS, OSV).
- Total
- 3
- Critical
- 0
- High
- 3
- Medium
- 0
- Low
- 0
- Unscored
- 0
- CISA KEV
- 0
Latest redhat/haproxy32 CVEs
Newest publication first
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HighCVSS 7.5 EPSS 0.74%
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HighCVSS 7.5 EPSS 0.81%
HAProxy 3 before 3.4.6 allows a remote unauthenticated attacker to cause a denial of service (persistent worker-thread CPU exhaustion) via an HTTP/1.1 chunked request. Although the H1 multiplexer drains the request before closing the stream, the parser repeatedly re-processes the...
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CVE-2026-90678 haproxy: HAProxy: HTTP Request Smuggling via HTTP/3 Multiplexer Desynchronization
PublishedHighCVSS 7.5 EPSS 0.77%An issue was discovered in HAProxy 3.3.0 through 3.4.4 and in 3.5-dev1 through 3.5-dev5. Exploitation requires an HTTP/3 frontend: HAProxy must be built with QUIC support and configured with a QUIC bind listener, and the affected traffic must reach a backend over HTTP/1.1 using c...
Sources: CVE.org, NVD, CISA KEV, FIRST EPSS, OSV and public exploit-reference metadata. Product matching comes from the published CVE records. A proof-of-concept means public code exists; it is not evidence of exploitation.