VulnerabilityModified
CVE-2024-45506
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.
HIGH 7.5EPSS 1.20%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.20%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 1.20% probability · 66th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-835
- Affected
- haproxy/haproxy
- Source
- cve@mitre.org
References
- http://git.haproxy.org/?p=haproxy-3.0.git%3Ba=commitdiff%3Bh=c725db17e8416ffb3c1537aea756356228ce5e3cBroken Link
- http://git.haproxy.org/?p=haproxy-3.0.git%3Ba=commitdiff%3Bh=d636e515453320c6e122c313c661a8ac7d387c7fBroken Link
- https://www.haproxy.org/Product
- https://www.haproxy.org/download/3.1/src/CHANGELOGRelease Notes
- https://www.mail-archive.com/haproxy%40formilux.org/msg45280.htmlRelease Notes
- https://www.mail-archive.com/haproxy%40formilux.org/msg45281.htmlRelease Notes
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.