Postfix vulnerabilities
We track 1 vulnerability in Postfix products. 1 is rated high or critical, and none are known to be exploited. The most recent was published on May 4, 2026.
1vulnerabilities
0critical
1high
0exploited
7.5average CVSS score
Latest Postfix vulnerabilities
- 7.5 High severity
Postfix: Off-by-one Error
Postfix before 3.8.16, 3.9 before 3.9.10, and 3.10 before 3.10.9 sometimes allows a buffer over-read and process crash via an enhanced status code that lacks text after the third number.