CVE-2024-45506

NameCVE-2024-45506
DescriptionHAProxy 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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
haproxy (PTS)bullseye (security), bullseye2.2.9-2+deb11u6fixed
bookworm, bookworm (security)2.6.12-1+deb12u1fixed
sid, trixie3.0.6-3fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
haproxysourcebullseye(not affected)
haproxysourcebookworm(not affected)
haproxysource(unstable)2.9.10-1

Notes

[bookworm] - haproxy <not-affected> (Only exploitable with zero-copy-forward)
[bullseye] - haproxy <not-affected> (Only exploitable with zero-copy-forward)
http://git.haproxy.org/?p=haproxy-2.9.git;a=commit;h=c6bc43e9ac18f122f9dee22df47ab1b7ef57b429 (v2.9.10)
http://git.haproxy.org/?p=haproxy-3.0.git;a=commit;h=c725db17e8416ffb3c1537aea756356228ce5e3c (v3.0.4)

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