ALPINE-CVE-2026-40685

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Source
https://security.alpinelinux.org/vuln/CVE-2026-40685
Import Source
https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-40685.json
JSON Data
https://api.osv.dev/v1/vulns/ALPINE-CVE-2026-40685
Upstream
  • CVE-2026-40685
Published
2026-04-30T22:16:25Z
Modified
2026-11-03T06:33:02Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

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.

References

Affected packages

Alpine:v3.23 / exim

Package

Name
exim
Purl
pkg:apk/alpine/exim?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
4.98.2-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-40685.json"

Alpine:v3.24 / exim

Package

Name
exim
Purl
pkg:apk/alpine/exim?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
4.98.2-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-40685.json"