# symfony/mime (Packagist) vulnerabilities

3 known vulnerabilities (2 medium), 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/mime

## Advisories (3)

### [CVE-2026-45070](https://cve.now/CVE-2026-45070): Symfony: Email Header Injection via Non-Token Characters in Mime Parameter Names

- Severity: Medium 6.3
- Published: Jul 14, 2026
- Affected: fixed in 5.4.52; from 6.0.0, fixed in 6.4.40; from 7.0.0, fixed in 7.4.12; from 8.0.0, fixed in 8.0.12.

### [CVE-2026-45067](https://cve.now/CVE-2026-45067): Symfony: Email Header / SMTP Command Injection via CRLF in Symfony\\Component\\Mime\\Address

- Severity: Medium 6.3
- Published: Jul 14, 2026
- Affected: fixed in 5.4.52; from 6.0.0, fixed in 6.4.40; from 7.0.0, fixed in 7.4.12; from 8.0.0, fixed in 8.0.12.

### [CVE-2019-18888](https://cve.now/CVE-2019-18888): An issue was discovered in Symfony 2.8.0 through 2.8.50, 3.4.0 through 3.4.34, 4.2.0 through 4.2.11, and 4.3.0 through 4.3.7.

- Severity: Unrated
- Published: Nov 21, 2019
- Affected: from 4.3.0, fixed in 4.3.8.

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