CVE-2024-50343

Publication date 6 November 2024

Last updated 11 July 2025

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

3.1 · Low

Score breakdown

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.

Read the notes from the security team

Status

Package Ubuntu Release Status
symfony 25.04 plucky
Needs evaluation
24.10 oracular Ignored end of life, was needs-triage
24.04 LTS noble
Fixed 6.4.5+dfsg-3ubuntu3+esm1
22.04 LTS jammy
Fixed 5.4.4+dfsg-1ubuntu8+esm1
20.04 LTS focal
Fixed 4.3.8+dfsg-1ubuntu1+esm2
18.04 LTS bionic
Vulnerable
16.04 LTS xenial
Vulnerable

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Notes

hlibk

Patching bionic and below is risky and may introduce regressions. Needs more engagement to make this viable.

Severity score breakdown

Parameter Value
Base score 3.1 · Low
Attack vector Network
Attack complexity High
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality Low
Integrity impact None
Availability impact None
Vector CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N