# CVE-2024-45506: haproxy: 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 HTT...

CVE-2024-45506 is fixed in haproxy on 1 platform, first by DEBIAN-CVE-2024-45506, released September 4, 2024. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2024-45506
- Priority: High
- CVSS: 7.5 (high)
- EPSS: 0.0120
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Sep 4, 2024

## 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.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | haproxy Debian 13.5 (trixie) | 2.9.10-1 | [DEBIAN-CVE-2024-45506](https://patchblox.com/security/data/fix/linux/debian-cve-2024-45506.md) | Sep 4, 2024 |
| Linux | haproxy Debian 14 | 2.9.10-1 | [DEBIAN-CVE-2024-45506](https://patchblox.com/security/data/fix/linux/debian-cve-2024-45506.md) | Sep 4, 2024 |

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Data as of 2026-11-08T19:12:23Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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