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.
Infinite Loop
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
mitreCNA
---
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CISA-ADPADP
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 41%
VendorProductVersion
haproxyhaproxy
2.9.0 ≤
𝑥
< 2.9.10
haproxyhaproxy
3.0.0 ≤
𝑥
< 3.0.4
haproxyhaproxy
3.1:dev0
haproxyhaproxy
3.1:dev1
haproxyhaproxy
3.1:dev2
haproxyhaproxy
3.1:dev3
haproxyhaproxy
3.1:dev4
haproxyhaproxy
3.1:dev5
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
haproxy
bullseye
2.2.9-2+deb11u6
not-affected
bookworm
2.6.12-1+deb12u2
not-affected
bullseye (security)
2.2.9-2+deb11u7
fixed
bookworm (security)
2.6.12-1+deb12u1
fixed
sid
3.0.10-1
fixed
trixie
3.0.10-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
haproxy
noble
not-affected
jammy
not-affected
focal
not-affected
bionic
not-affected
xenial
not-affected
Common Weakness Enumeration
References
http://git.haproxy.org/?p=haproxy-3.0.git%3Ba=commitdiff%3Bh=c725db17e8416ffb3c1537aea756356228ce5e3c
http://git.haproxy.org/?p=haproxy-3.0.git%3Ba=commitdiff%3Bh=d636e515453320c6e122c313c661a8ac7d387c7f
https://www.haproxy.org/
https://www.haproxy.org/download/3.1/src/CHANGELOG
https://www.mail-archive.com/haproxy%40formilux.org/msg45280.html
https://www.mail-archive.com/haproxy%40formilux.org/msg45281.html