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vulnerabilityCVE-2026-40685
Name
CVE-2026-40685
Source
NVD ( link)Debian ( link)
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.
Published Date
Updated Date
Workaround
-

Analysis#


Affected Component
Analysis
exim
Exploitable

Vulnerability Ratings#


6.5
CVSSv31
9.8
CVSSv31
NaN
other

Others affected components#


Name
Project
Project Version
Version
Status
buildroot
2025.02.x
4.99.4
Not Affected
buildroot
master
4.99.4
Not Affected
openwrt
master
4.99.4-r1
Not Affected