Composer symfony/mime has 3 known advisories in the phpwarden feed. Feed 2026.10.29.1, updated 2026-10-28.
| CVE | Title | Severity | CVSS | Affected | Fixed in |
|---|---|---|---|---|---|
| CVE-2019-18888 | Argument injection in a MimeTypeGuesser in Symfony | high | 7.5 | >=4.3.0 and <4.3.8 | 4.3.8 |
| CVE-2026-45067 | Symfony has Email Header / SMTP Command Injection via CRLF in Symfony\Component\Mime\Address | high | 0.0 | <5.4.52 or >=6.0.0 and <6.4.40 or >=7.0.0 and <7.4.12 or >=8.0.0 and <8.0.12 or >=2.0.0 and <3.0.0 or >=3.0.0 and <4.0.0 or >=4.0.0 and <5.0.0 or >=5.0.0 and <5.1.0 or >=5.1.0 and <5.2.0 or >=5.2.0 and <5.3.0 or >=5.3.0 and <5.4.0 or >=5.4.0 and <5.4.52 or >=6.0.0 and <6.1.0 or >=6.1.0 and <6.2.0 or >=6.2.0 and <6.3.0 or >=6.3.0 and <6.4.0 or >=6.4.0 and <6.4.40 or >=7.0.0 and <7.1.0 or >=7.1.0 and <7.2.0 or >=7.2.0 and <7.3.0 or >=7.3.0 and <7.4.0 or >=7.4.0 and <7.4.12 | 5.4.52, 6.4.40, 7.4.12, 8.0.12 |
| CVE-2026-45070 | Symfony has Email Header Injection via Non-Token Characters in Mime Parameter Names | medium | 0.0 | <5.4.52 or >=6.0.0 and <6.4.40 or >=7.0.0 and <7.4.12 or >=8.0.0 and <8.0.12 or >=2.0.0 and <3.0.0 or >=3.0.0 and <4.0.0 or >=4.0.0 and <5.0.0 or >=5.0.0 and <5.1.0 or >=5.1.0 and <5.2.0 or >=5.2.0 and <5.3.0 or >=5.3.0 and <5.4.0 or >=5.4.0 and <5.4.55 or >=6.0.0 and <6.1.0 or >=6.1.0 and <6.2.0 or >=6.2.0 and <6.3.0 or >=6.3.0 and <6.4.0 or >=6.4.0 and <6.4.49 or >=7.0.0 and <7.1.0 or >=7.1.0 and <7.2.0 or >=7.2.0 and <7.3.0 or >=7.3.0 and <7.4.0 or >=7.4.0 and <7.4.22 or >=8.0.0 and <8.1.0 or >=8.1.0 and <8.1.10 | 5.4.55, 6.4.49, 7.4.22, 8.1.10 |
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