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Debian: DLA-4200-1 critical: symfony validation bypass and redirects

debian lts
Calendar Grey May 31, 2025
Dist Debian Esm H88
Symfony update addresses significant security flaws, including bypass of validation and potential open redirect issues. Immediate upgrade is advised.
Security vulnerabilities were found in symfony, a PHP framework for web and console applications and a set of reusable PHP components, which could lead to validation bypass or open...
Topics%20covered

Topics Covered

security advisory debian application validation PHP framework redirects

Summary

CVE-2024-50343

It was discovered input ending with `\n` could bypass Validators.

CVE-2024-50345

Sam Mush discovered that due to URI parsing mismatch between common
browsers and the Request class, an attacker could supply a specially
crafted URI to bypass validation and redirect users to another
domain.

For Debian 11 bullseye, these problems have been fixed in version
4.4.19+dfsg-2+deb11u7.

We recommend that you upgrade your symfony packages.

For the detailed security status of symfony please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/source-package/symfony

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS


Severity
critical
Lowest
Low
Medium
High
Critical

Package: symfony
Version: 4.4.19+dfsg-2+deb11u7
CVE ID: CVE-2024-50343 CVE-2024-50345

Topics%20covered

Topics Covered

security advisory debian application validation PHP framework redirects

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