CyberRota Analysis
This is a medium severity vulnerability with a CVSS score of 6.5. See the original NVD description below for full technical details.
CVE
CVE-2026-40685
Severity
MEDIUM
CVSS
6.5
EPSS
0.32%
Original NVD Description
In Exim before 4.99.2, when JSON lookup is enabled, an out-of-bounds heap write can occur when a JSON operator encounters malformed JSON in an untrusted header, because of an incorrect implementation of \ skipping.
Related CVEs
Other vulnerabilities affecting the same vendor(s)