CVE-2023-43669

Name	CVE-2023-43669
Description	The Tungstenite crate before 0.20.1 for Rust allows remote attackers to cause a denial of service (minutes of CPU consumption) via an excessive length of an HTTP header in a client handshake. The length affects both how many times a parse is attempted (e.g., thousands of times) and the average amount of data for each parse attempt (e.g., millions of bytes).
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs	1052415

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
rust-tungstenite (PTS)	sid, trixie	0.20.1-2	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
rust-tungstenite	source	(unstable)	0.20.1-1			1052415

Notes

https://github.com/snapview/tungstenite-rs/issues/376
https://github.com/snapview/tungstenite-rs/commit/f916b332a97f78f4d54d942b9e008a1af57ff938 (v0.20.1)
https://github.com/snapview/tungstenite-rs/commit/2e5029284b8bef3e59df0c9d3920c0ed6c7da7a9 (v0.20.1)
https://rustsec.org/advisories/RUSTSEC-2023-0065.html
https://github.com/advisories/GHSA-9mcr-873m-xcxp