# symfony/validator (Packagist) vulnerabilities

3 known vulnerabilities (1 medium, 1 low), with the versions each affects and the releases that fix them.

## At a glance

- Latest release: not known (cve.now hasn't read this package's releases)
- Newest unaffected release: not known without release data
- Registry: https://packagist.org/packages/symfony/validator

## Advisories (3)

### [CVE-2026-123125](https://cve.now/CVE-2026-123125): Symfony: Ip Constraint public/private Modes Accept IPv4-Mapped and IPv4-Compatible IPv6 Addresses allowing SSRF Filter Bypass

- Severity: Medium 6.3
- Published: Nov 5, 2026
- Affected: fixed in 5.4.56; from 6.0.0, fixed in 6.4.50; from 7.0.0, fixed in 7.4.23; from 8.0.0, fixed in 8.1.11.

### [CVE-2024-50343](https://cve.now/CVE-2024-50343): Incorrect response from Validator when input ends with \`\\n\` in symfony/validator

- Severity: Low 3.1
- Published: Nov 6, 2024
- Affected: fixed in 5.4.43; from 6.0.0, fixed in 6.4.11; from 7.0.0, fixed in 7.1.4.

### [CVE-2013-4751](https://cve.now/CVE-2013-4751): php-symfony2-Validator has loss of information during serialization

- Severity: Unrated
- Published: Nov 1, 2019
- Affected: from 2.0.0, fixed in 2.0.24; from 2.1.0, fixed in 2.1.12; from 2.2.0, fixed in 2.2.5; from 2.3.0, fixed in 2.3.3.

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