DEBIAN-CVE-2026-48840

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Source
https://security-tracker.debian.org/tracker/CVE-2026-48840
Import Source
https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-48840.json
JSON Data
https://api.osv.dev/v1/vulns/DEBIAN-CVE-2026-48840
Upstream
  • CVE-2026-48840
Published
2026-05-30T02:16:19Z
Modified
2026-09-14T17:03:16Z
Severity
  • 5.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N CVSS Calculator
Summary
[none]
Details

Exim 4.88 before 4.99.4, in some proxy configurations, mishandles certain short payloads, leading to disclosure of uninitialized stack memory values to a client.

References

Affected packages

Debian:12 / exim4

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
4.96-15+deb12u10

Affected versions

4.*
4.96-15
4.96-15+deb12u1
4.96-15+deb12u2
4.96-15+deb12u3
4.96-15+deb12u4
4.96-15+deb12u5
4.96-15+deb12u6
4.96-15+deb12u7
4.96-15+deb12u8
4.96-15+deb12u9

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-48840.json"

Debian:13 / exim4

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
4.98.2-1+deb13u3

Affected versions

4.*
4.98.2-1
4.98.2-1+deb13u1
4.98.2-1+deb13u2

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-48840.json"

Debian:14 / exim4

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
4.99.3-2

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
4.99-7
4.99.1-1~bpo13+1
4.99.1-1
4.99.1-2
4.99.1-3
4.99.1-4
4.99.1-5
4.99.1-6
4.99.2-1~bpo13+1
4.99.2-1
4.99.2-2~bpo13+1
4.99.2-2
4.99.3-1
4.99.3-2~bpo13+1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-48840.json"