CVE-2026-42005

mediumpriority · track · 0EPSS 0.006 · 50 %ileDEEU

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.63% (50th) EPSS

CVSS 4.3 · medium

Is it mine?

17 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · cert_bund

EPSS · scored 2026-10-27

An attacker can send a web request that causes unlimited memory allocation in the internal web server, leading to a denial of service. The internal web server is disabled by default.

cvss

Technical severity, 0–10. One row per scoring source.

4.3

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.14.3mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:Lsecondary · ENISA EU

v3.14.3mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:Lsecondary · security@open-xchange.comexploitability 2.8 · impact 1.4

v3.14mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-400US

affected products (17)

Products and version ranges known to be affected.

Debian Linuxall versionscert_bundDEcpe:/o:debian:debian_linux:-
Fedora Linuxall versionscert_bundDEcpe:/o:fedoraproject:fedora:-
Open Source PowerDNS DNSdist <1.9.15all versionscert_bundDE
Open Source PowerDNS DNSdist <2.0.7all versionscert_bundDE
Open Source PowerDNS Recursor <5.2.11all versionscert_bundDE
Open Source PowerDNS Recursor <5.3.8all versionscert_bundDE
Open Source PowerDNS Recursor <5.4.3all versionscert_bundDE
SUSE Linuxall versionscert_bundDEcpe:/o:suse:suse_linux:-
SUSE openSUSEall versionscert_bundDEcpe:/o:suse:opensuse:-
Open Source PowerDNS≤ DNSdist <2.0.7cert_bundDE
Open Source PowerDNS≤ DNSdist <1.9.15cert_bundDE
Open Source PowerDNS≤ Recursor <5.2.11cert_bundDE
Open Source PowerDNS≤ Recursor <5.3.8cert_bundDE
Open Source PowerDNS≤ Recursor <5.4.3cert_bundDE
PowerDNS Authoritative4.9.0 → 4.9.16enisa_euvdEU
PowerDNS Authoritative5.0.0 → 5.0.6enisa_euvdEU
PowerDNS Authoritative5.1.0 → 5.1.2enisa_euvdEU

advisories (2)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2026-2078PowerDNS Authoritative Server: Schwachstelle ermöglicht Denial of ServiceDeutsch2026-06-24csaf · cert_bundDE
Ein entfernter, authentisierter Angreifer kann eine Schwachstelle in PowerDNS Authoritative Server ausnutzen, um einen Denial of Service Angriff durchzuführen.
WID-SEC-W-2026-2091PowerDNS: Mehrere SchwachstellenDeutsch2026-06-25csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in PowerDNS ausnutzen, um Denial-of-Service-Zustände herbeizuführen, DNS-Caches zu manipulieren, Sicherheitsprüfungen zu umgehen, vertrauliche Informationen offenzulegen, DNSSEC-Validierungen zu beeinträchtigen oder die Integrität und Verfügbarkeit der DNS-Auflösung zu beeinflussen.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund NVD CVE.org MITRE

published 2026-06-25modified 2026-10-25

references (3)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan