haproxy: HAProxy: Denial of Service via truncated HTTP/2 PING frame
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | |||||||||||||||
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| HAProxy | HAProxy | unaffected |
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| HAProxy | HAProxy Enterprise Edition | unaffected |
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| HAProxy | Kubernetes Ingress Controller | unaffected |
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| Haproxy | Kubernetes Ingress Controller Enterprise | unaffected |
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No data.
No data.
| Vendor | Product | Versions | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Haproxy | Haproxy |
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| Haproxy | Haproxy Enterprise |
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| Haproxy | Kubernetes Ingress Controller |
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| Haproxy | Kubernetes Ingress Controller Enterprise |
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| Source | ID | Title |
|---|---|---|
Ubuntu USN |
USN-8972-1 | HAProxy vulnerabilities |
No CVSS v4.0
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.738% probability within 30 days)
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
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| Type | Values Removed | Values Added |
|---|---|---|
| Title | Denial of Service via Truncated HTTP/2 PING in HAProxy | haproxy: HAProxy: Denial of Service via truncated HTTP/2 PING frame |
| Weaknesses | CWE-835 | |
| References |
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| Metrics |
threat_severity
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threat_severity
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| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Haproxy
Haproxy haproxy Haproxy haproxy Enterprise Haproxy kubernetes Ingress Controller Haproxy kubernetes Ingress Controller Enterprise |
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| Vendors & Products |
Haproxy
Haproxy haproxy Haproxy haproxy Enterprise Haproxy kubernetes Ingress Controller Haproxy kubernetes Ingress Controller Enterprise |
| Type | Values Removed | Values Added |
|---|---|---|
| Title | Denial of Service via Truncated HTTP/2 PING in HAProxy |
| Type | Values Removed | Values Added |
|---|---|---|
| Description | 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 incomplete frame cannot be processed, its data is never consumed, and the H2 multiplexer tasklet is repeatedly woken by that pending data without making progress. The CPU spins until timeout http-request closes the connection, and an attacker opening many such connections can sustain high CPU usage. | |
| Weaknesses | CWE-252 | |
| References |
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| Metrics |
cvssV3_1
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