CVE-2024-50343

Name	CVE-2024-50343
Description	symfony/validator is a module for the Symphony PHP framework which provides tools to validate values. It is possible to trick a `Validator` configured with a regular expression using the `$` metacharacters, with an input ending with `\n`. Symfony as of versions 5.4.43, 6.4.11, and 7.1.4 now uses the `D` regex modifier to match the entire input. Users are advised to upgrade. There are no known workarounds for this vulnerability.
Source	CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	DLA-4200-1, DSA-5809-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
symfony (PTS)	bullseye	4.4.19+dfsg-2+deb11u6	vulnerable
	bullseye (security)	4.4.19+dfsg-2+deb11u7	fixed
	bookworm, bookworm (security)	5.4.23+dfsg-1+deb12u4	fixed
	trixie	6.4.21+dfsg-2	fixed
	forky, sid	6.4.25+dfsg-1	fixed

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

Package	Type	Release	Fixed Version	Origin
symfony	source	bullseye	4.4.19+dfsg-2+deb11u7	DLA-4200-1
symfony	source	bookworm	5.4.23+dfsg-1+deb12u3	DSA-5809-1
symfony	source	(unstable)	6.4.11+dfsg-1

Notes

https://github.com/symfony/symfony/security/advisories/GHSA-g3rh-rrhp-jhh9
Fixed by: https://github.com/symfony/symfony/commit/7d1032bbead9a4229b32fa6ebca32681c80cb76f (v5.4.43, v6.4.11, v7.1.4)