WID-SEC-W-2026-1742
Vulnerability from csaf_certbund - Published: 2026-05-31 22:00 - Updated: 2026-06-04 22:00Summary
Exim: Schwachstelle ermöglicht Offenlegung von Informationen
Severity
Mittel
Notes
Das BSI ist als Anbieter für die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch dafür verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgfältig im Einzelfall zu prüfen.
Produktbeschreibung: Exim (EXperimental Internet Mailer) ist ein Mailserver und Mail Transfer Agent.
Angriff: Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Exim ausnutzen, um Informationen offenzulegen.
Betroffene Betriebssysteme: - Linux
- UNIX
Affected products
Known affected
7 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
|
Debian Linux
Debian
|
cpe:/o:debian:debian_linux:-
|
— | |
|
Ubuntu Linux
Ubuntu
|
cpe:/o:canonical:ubuntu_linux:-
|
— | |
|
cPanel cPanel/WHM <136.0.18
cPanel / cPanel/WHM
|
<136.0.18 | ||
|
cPanel cPanel/WHM <134.0.34
cPanel / cPanel/WHM
|
<134.0.34 | ||
|
cPanel cPanel/WHM <110.0.124
cPanel / cPanel/WHM
|
<110.0.124 | ||
|
Fedora Linux
Fedora
|
cpe:/o:fedoraproject:fedora:-
|
— | |
|
Open Source Exim <4.99.4
Open Source / Exim
|
<4.99.4 |
References
15 references
{
"document": {
"aggregate_severity": {
"text": "mittel"
},
"category": "csaf_base",
"csaf_version": "2.0",
"distribution": {
"tlp": {
"label": "WHITE",
"url": "https://www.first.org/tlp/"
}
},
"lang": "de-DE",
"notes": [
{
"category": "legal_disclaimer",
"text": "Das BSI ist als Anbieter f\u00fcr die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch daf\u00fcr verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgf\u00e4ltig im Einzelfall zu pr\u00fcfen."
},
{
"category": "description",
"text": "Exim (EXperimental Internet Mailer) ist ein Mailserver und Mail Transfer Agent.",
"title": "Produktbeschreibung"
},
{
"category": "summary",
"text": "Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Exim ausnutzen, um Informationen offenzulegen.",
"title": "Angriff"
},
{
"category": "general",
"text": "- Linux\n- UNIX",
"title": "Betroffene Betriebssysteme"
}
],
"publisher": {
"category": "other",
"contact_details": "csaf-provider@cert-bund.de",
"name": "Bundesamt f\u00fcr Sicherheit in der Informationstechnik",
"namespace": "https://www.bsi.bund.de"
},
"references": [
{
"category": "self",
"summary": "WID-SEC-W-2026-1742 - CSAF Version",
"url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-1742.json"
},
{
"category": "self",
"summary": "WID-SEC-2026-1742 - Portal Version",
"url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-1742"
},
{
"category": "external",
"summary": "EXIM Security Advisory 2026-05-19.1 vom 2026-05-31",
"url": "https://www.exim.org/static/doc/security/EXIM-Security-2026-05-19.1.txt"
},
{
"category": "external",
"summary": "GitHub Security Advisory GHSA-wgrp-2w9f-fmvg vom 2026-05-31",
"url": "https://github.com/advisories/GHSA-wgrp-2w9f-fmvg"
},
{
"category": "external",
"summary": "Debian Security Advisory DSA-6309 vom 2026-06-01",
"url": "https://lists.debian.org/debian-security-announce/2026/msg00220.html"
},
{
"category": "external",
"summary": "Fedora Security Advisory FEDORA-EPEL-2026-C53D2746CF vom 2026-06-01",
"url": "https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2026-c53d2746cf"
},
{
"category": "external",
"summary": "Fedora Security Advisory FEDORA-2026-78BF093219 vom 2026-06-01",
"url": "https://bodhi.fedoraproject.org/updates/FEDORA-2026-78bf093219"
},
{
"category": "external",
"summary": "Fedora Security Advisory FEDORA-2026-71B1E9B455 vom 2026-06-01",
"url": "https://bodhi.fedoraproject.org/updates/FEDORA-2026-71b1e9b455"
},
{
"category": "external",
"summary": "cPanel Change Log vom 2026-06-01",
"url": "https://docs.cpanel.net/changelogs/136-change-log/"
},
{
"category": "external",
"summary": "Fedora Security Advisory FEDORA-EPEL-2026-C313127DD3 vom 2026-06-01",
"url": "https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2026-c313127dd3"
},
{
"category": "external",
"summary": "Fedora Security Advisory FEDORA-EPEL-2026-6C0B7937B4 vom 2026-06-01",
"url": "https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2026-6c0b7937b4"
},
{
"category": "external",
"summary": "Ubuntu Security Notice USN-8353-1 vom 2026-06-01",
"url": "https://ubuntu.com/security/notices/USN-8353-1"
},
{
"category": "external",
"summary": "cPanel 110 Change Log vom 2026-06-01",
"url": "https://docs.cpanel.net/changelogs/110-change-log/"
},
{
"category": "external",
"summary": "cPanel Change Log vom 2026-06-01",
"url": "https://docs.cpanel.net/changelogs/134-change-log/"
},
{
"category": "external",
"summary": "Debian Security Advisory DLA-4615 vom 2026-06-05",
"url": "https://lists.debian.org/debian-lts-announce/2026/06/msg00004.html"
}
],
"source_lang": "en-US",
"title": "Exim: Schwachstelle erm\u00f6glicht Offenlegung von Informationen",
"tracking": {
"current_release_date": "2026-06-04T22:00:00.000+00:00",
"generator": {
"date": "2026-06-05T10:07:27.667+00:00",
"engine": {
"name": "BSI-WID",
"version": "1.6.0"
}
},
"id": "WID-SEC-W-2026-1742",
"initial_release_date": "2026-05-31T22:00:00.000+00:00",
"revision_history": [
{
"date": "2026-05-31T22:00:00.000+00:00",
"number": "1",
"summary": "Initiale Fassung"
},
{
"date": "2026-06-01T22:00:00.000+00:00",
"number": "2",
"summary": "Neue Updates von Fedora und Ubuntu aufgenommen"
},
{
"date": "2026-06-04T22:00:00.000+00:00",
"number": "3",
"summary": "Neue Updates von Debian aufgenommen"
}
],
"status": "final",
"version": "3"
}
},
"product_tree": {
"branches": [
{
"branches": [
{
"category": "product_name",
"name": "Debian Linux",
"product": {
"name": "Debian Linux",
"product_id": "2951",
"product_identification_helper": {
"cpe": "cpe:/o:debian:debian_linux:-"
}
}
}
],
"category": "vendor",
"name": "Debian"
},
{
"branches": [
{
"category": "product_name",
"name": "Fedora Linux",
"product": {
"name": "Fedora Linux",
"product_id": "74185",
"product_identification_helper": {
"cpe": "cpe:/o:fedoraproject:fedora:-"
}
}
}
],
"category": "vendor",
"name": "Fedora"
},
{
"branches": [
{
"branches": [
{
"category": "product_version_range",
"name": "\u003c4.99.4",
"product": {
"name": "Open Source Exim \u003c4.99.4",
"product_id": "T054895"
}
},
{
"category": "product_version",
"name": "4.99.4",
"product": {
"name": "Open Source Exim 4.99.4",
"product_id": "T054895-fixed",
"product_identification_helper": {
"cpe": "cpe:/a:exim:exim:4.99.4"
}
}
}
],
"category": "product_name",
"name": "Exim"
}
],
"category": "vendor",
"name": "Open Source"
},
{
"branches": [
{
"category": "product_name",
"name": "Ubuntu Linux",
"product": {
"name": "Ubuntu Linux",
"product_id": "T000126",
"product_identification_helper": {
"cpe": "cpe:/o:canonical:ubuntu_linux:-"
}
}
}
],
"category": "vendor",
"name": "Ubuntu"
},
{
"branches": [
{
"branches": [
{
"category": "product_version_range",
"name": "\u003c110.0.124",
"product": {
"name": "cPanel cPanel/WHM \u003c110.0.124",
"product_id": "T054922"
}
},
{
"category": "product_version",
"name": "110.0.124",
"product": {
"name": "cPanel cPanel/WHM 110.0.124",
"product_id": "T054922-fixed",
"product_identification_helper": {
"cpe": "cpe:/a:cpanel:cpanel_whm:110.0.124"
}
}
},
{
"category": "product_version_range",
"name": "\u003c134.0.34",
"product": {
"name": "cPanel cPanel/WHM \u003c134.0.34",
"product_id": "T054924"
}
},
{
"category": "product_version",
"name": "134.0.34",
"product": {
"name": "cPanel cPanel/WHM 134.0.34",
"product_id": "T054924-fixed",
"product_identification_helper": {
"cpe": "cpe:/a:cpanel:cpanel_whm:134.0.34"
}
}
},
{
"category": "product_version_range",
"name": "\u003c136.0.18",
"product": {
"name": "cPanel cPanel/WHM \u003c136.0.18",
"product_id": "T054925"
}
},
{
"category": "product_version",
"name": "136.0.18",
"product": {
"name": "cPanel cPanel/WHM 136.0.18",
"product_id": "T054925-fixed",
"product_identification_helper": {
"cpe": "cpe:/a:cpanel:cpanel_whm:136.0.18"
}
}
}
],
"category": "product_name",
"name": "cPanel/WHM"
}
],
"category": "vendor",
"name": "cPanel"
}
]
},
"vulnerabilities": [
{
"cve": "CVE-2026-48840",
"product_status": {
"known_affected": [
"2951",
"T000126",
"T054925",
"T054924",
"T054922",
"74185",
"T054895"
]
},
"release_date": "2026-05-31T22:00:00.000+00:00",
"title": "CVE-2026-48840"
}
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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