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RequestGuard Vulnerabilities
Pricing
Vulnerability intelligence Composer

symfony/mime

Allows manipulating MIME messages

Composer latest 8.1.7 MIT

Evidence path

Version, exploitation, severity

RequestGuard keeps these facts separate. A KEV match refers to a CVE, while OSV supplies the package and version match.

1

Latest version

8.1.7

No matching published advisory returned

2

Known exploitation

No KEV match

Checked by exact CVE identifier

3

Highest advisory severity

High

3 active advisories

Check an exact version

The registry confirms the version, then OSV checks advisories for that exact value.

Published records

Advisories

3
GHSA-qpmx-3rfj-7rhv high

Symfony has Email Header / SMTP Command Injection via CRLF in Symfony\Component\Mime\Address

Affected range

ECOSYSTEM: introduced 0; fixed 5.4.52ECOSYSTEM: introduced 6.0.0; fixed 6.4.40ECOSYSTEM: introduced 7.0.0; fixed 7.4.12ECOSYSTEM: introduced 8.0.0; fixed 8.0.12>=2.0.0,<3.0.0|>=3.0.0,<4.0.0|>=4.0.0,<5.0.0|>=5.0.0,<5.1.0|>=5.1.0,<5.2.0|>=5.2.0,<5.3.0|>=5.3.0,<5.4.0|>=5.4.0,<5.4.52|>=6.0.0,<6.1.0|>=6.1.0,<6.2.0|>=6.2.0,<6.3.0|>=6.3.0,<6.4.0|>=6.4.0,<6.4.40|>=7.0.0,<7.1.0|>=7.1.0,<7.2.0|>=7.2.0,<7.3.0|>=7.3.0,<7.4.0|>=7.4.0,<7.4.12|>=8.0.0,<8.0.12

Fixed versions: 5.4.52, 6.4.40, 7.4.12, 8.0.12

CVE-2026-45067 Source ↗Source ↗
GHSA-vqc8-7275-q272 moderate

Symfony has Email Header Injection via Non-Token Characters in Mime Parameter Names

Affected range

ECOSYSTEM: introduced 0; fixed 5.4.52ECOSYSTEM: introduced 6.0.0; fixed 6.4.40ECOSYSTEM: introduced 7.0.0; fixed 7.4.12ECOSYSTEM: introduced 8.0.0; fixed 8.0.12>=2.0.0,<3.0.0|>=3.0.0,<4.0.0|>=4.0.0,<5.0.0|>=5.0.0,<5.1.0|>=5.1.0,<5.2.0|>=5.2.0,<5.3.0|>=5.3.0,<5.4.0|>=5.4.0,<5.4.52|>=6.0.0,<6.1.0|>=6.1.0,<6.2.0|>=6.2.0,<6.3.0|>=6.3.0,<6.4.0|>=6.4.0,<6.4.40|>=7.0.0,<7.1.0|>=7.1.0,<7.2.0|>=7.2.0,<7.3.0|>=7.3.0,<7.4.0|>=7.4.0,<7.4.12|>=8.0.0,<8.0.12

Fixed versions: 5.4.52, 6.4.40, 7.4.12, 8.0.12

CVE-2026-45070 Source ↗Source ↗