DEBIAN-CVE-2025-67896

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Source
https://security-tracker.debian.org/tracker/CVE-2025-67896
Import Source
https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2025-67896.json
JSON Data
https://api.osv.dev/v1/vulns/DEBIAN-CVE-2025-67896
Upstream
Published
2025-12-14T04:15:50.287Z
Modified
2025-12-23T11:17:44.872794Z
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

Exim before 4.99.1, with certain non-default rate-limit configurations, allows a remote heap-based buffer overflow because database records are cast directly to internal structures without validation.

References

Affected packages

Debian:14 / exim4

Package

Name
exim4
Purl
pkg:deb/debian/exim4?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.99-7

Affected versions

4.*

4.98.2-1
4.98.2-1+hurd.1
4.98.2-2
4.99~RC1-1
4.99~RC2-1
4.99~RC3-1
4.99~RC3-2
4.99-1
4.99-2
4.99-3
4.99-4~bpo13+1
4.99-4
4.99-5
4.99-6~bpo13+1
4.99-6
4.99-7~bpo13+1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source

"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2025-67896.json"