CVE-2020-36326

Packagist/phpmailer/phpmailer CVE-2020-36326: critical 9.8, EPSS 3.09%

Object injection in PHPMailer/PHPMailer

Action: Upgrade phpmailer/phpmailer to 6.4.1 or later.

composer require phpmailer/phpmailer:6.4.1

Affected

Fixed versions

Sources

• osv: GHSA-m298-fh5c-jc66
• https://github.com/PHPMailer/PHPMailer/security/advisories/GHSA-m298-fh5c-jc66
• https://nvd.nist.gov/vuln/detail/CVE-2020-36326
• https://github.com/PHPMailer/PHPMailer/commit/e2e07a355ee8ff36aba21d0242c5950c56e4c6f9
• https://github.com/FriendsOfPHP/security-advisories/blob/master/phpmailer/phpmailer/CVE-2020-36326.yaml
• https://github.com/PHPMailer/PHPMailer
• https://github.com/PHPMailer/PHPMailer/releases/tag/v6.4.1
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3B5WDPGUFNPG4NAZ6G4BZX43BKLAVA5B
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KPU66INRFY5BQ3ESVPRUXJR4DXQAFJVT

CVE-2020-36326 · published 2021-05-04T17:42:13Z · modified 2026-07-21T14:00:32.800777724Z · JSON