High severity · published Sep 4, 2024
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…
7.5
CVSS
1.2%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.2% · higher than 68% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
HA
Haproxy · Haproxy
2.9.0 before 2.9.10; 3.0.0 before 3.0.4; 3.1; 3.1; 3.1; 3.1; +2 more · source: NVD, CISA
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-45506
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-45506
Broken Link
http://git.haproxy.org/?p=haproxy-3.0.git%3Ba=commitdiff%3Bh=c725db17e8416ffb3c1537aea756356228ce5e3c
Broken Link
http://git.haproxy.org/?p=haproxy-3.0.git%3Ba=commitdiff%3Bh=d636e515453320c6e122c313c661a8ac7d387c7f
Product
https://www.haproxy.org/
Release Notes
https://www.haproxy.org/download/3.1/src/CHANGELOG
Release Notes
https://www.mail-archive.com/haproxy%40formilux.org/msg45280.html
Release Notes
https://www.mail-archive.com/haproxy%40formilux.org/msg45281.html
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