CVE-2024-45506
7.5
HIGH
CVSS 3.1
EPSS 1.5%
Description
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/2 zero-copy forwarding (h2_send loop) under a certain set of conditions, as exploited in the wild in 2024.
How to fix CVE-2024-45506
To remediate CVE-2024-45506, upgrade the affected package to a fixed version below.
- Bitnami/haproxy—upgrade to 2.9.10 or later
- Debian/haproxy—upgrade to 2.9.10-1 or later
Is CVE-2024-45506 being exploited?
Low — EPSS is 1.5%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- >= 2.9.0, < 2.9.10, >= 3.0.0, < 3.0.4
- from 0, < 2.9.10-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |