CVE-2018-20615

Name	CVE-2018-20615
Description	An out-of-bounds read issue was discovered in the HTTP/2 protocol decoder in HAProxy 1.8.x and 1.9.x through 1.9.0 which can result in a crash. The processing of the PRIORITY flag in a HEADERS frame requires 5 extra bytes, and while these bytes are skipped, the total frame length was not re-checked to make sure they were present in the frame.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Debian ELTS, 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 Package	Release	Version	Status
haproxy (PTS)	bullseye	2.2.9-2+deb11u6	fixed
	bullseye (security)	2.2.9-2+deb11u7	fixed
	bookworm	2.6.12-1+deb12u2	fixed
	bookworm (security)	2.6.12-1+deb12u1	fixed
	forky, sid, trixie	3.0.11-1	fixed

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

Package	Type	Release	Fixed Version
haproxy	source	jessie	(not affected)
haproxy	source	stretch	(not affected)
haproxy	source	(unstable)	1.8.16-2

Notes

[stretch] - haproxy <not-affected> (Vulnerable code introduced later)
[jessie] - haproxy <not-affected> (Vulnerable code introduced later)
https://github.com/haproxy/haproxy/commit/a01f45e3ced23c799f6e78b5efdbd32198a75354