[MEDIUM] CVE-2026-45070: Email Header Injection via Non-Token Characters in Mime Parameter Names

PKSA-wtxr-p26d-nn42 CVE-2026-45070 GHSA-vqc8-7275-q272

Affected version: >=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,<5.4.55|>=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,<6.4.49|>=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,<7.4.22|>=8.0.0,<8.1.0|>=8.1.0,<8.1.10

Reported by:
GitHub, FriendsOfPHP/security-advisories