CVE-2021-3603
HighAdvisory
Published 22 Jun 2021In the index since 8 Sept 2026
- Severity
- High
- worst across findings
- CVSS
- 8.1
- base score, highest
- EPSS
- 0.023
- 82nd percentile
- CISA KEV
- Not listed
- no confirmed exploitation
- Charts affected
- 2
- of 17,781 indexed, latest versions
- Container images
- 2
- deployed by those charts
- Fix available
- 1 of 1
- affected package
PHPMailer untrusted code may be run from an overridden address validator
Carried by container images the latest versions of 2 of 17,781 indexed charts deploy, on 2 images.
| Affected package | Affected versions | Fixed in | Images |
|---|---|---|---|
| phpmailer/ | v5.2.27, v6.1.5 | 6.5.0 | 2 |
- OSV records
- GHSA-77mr-wc79-m8j3
- Also known as
- BIT-phpmailer-2021-3603
Charts affected
2 by stars
Container images carrying it
2 by charts deploying them
A fixed version is listed for 1 of the 1 affected package.
| Container image | Digest | Package | Fixed in | Used by |
|---|---|---|---|---|
| ldapaccountmanager/ | 95533a96a4c1 | phpmailer/ | 6.5.0 | 1 |
| linuxserver/ | e299a5a4f1f2 | phpmailer/ | 6.5.0 | 1 |