Lucene search
+L

unbound: NLnet Labs Unbound: Denial of Service via faulty DNSCrypt configuration

🗓️ 22 Jul 2026 14:15:25Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 3 Views

Unbound DNSCrypt misconfig enables remote DoS via memory corruption from mismatched certificate and secret.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-55990
22 Jul 202613:10
attackerkb
cbl_mariner
CBLMariner
CVE-2026-55990 affecting package unbound for versions less than 1.25.2-1
23 Jul 202620:32
cbl_mariner
circl
Circl
CVE-2026-55990
22 Jul 202614:14
circl
cve
CVE
CVE-2026-55990
22 Jul 202613:10
cve
cvelist
Cvelist
CVE-2026-55990 Packet of death for a DNSCrypt misconfigured Unbound
22 Jul 202613:10
cvelist
debiancve
Debian CVE
CVE-2026-55990
22 Jul 202613:10
debiancve
euvd
EUVD
EUVD-2026-47682
22 Jul 202613:10
euvd
freebsd
FreeBSD
unbound -- multiple vulnerabilities
22 Jul 202600:00
freebsd
fedora
Fedora
[SECURITY] Fedora 43 Update: unbound-1.25.2-1.fc43
31 Jul 202601:15
fedora
fedora
Fedora
[SECURITY] Fedora 44 Update: unbound-1.25.2-1.fc44
30 Jul 202601:18
fedora
Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Hardened Imagesanyaarch64python3-unbound1.25.2-0.1.hum1python3-unbound-1.25.2-0.1.hum1.aarch64.rpm
Red Hat Hardened Imagesanyx86_64python3-unbound1.25.2-0.1.hum1python3-unbound-1.25.2-0.1.hum1.x86_64.rpm
Red Hat Hardened Imagesanynoarchunbound-munin1.25.2-0.1.hum1unbound-munin-1.25.2-0.1.hum1.noarch.rpm

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation

02 Aug 2026 03:57Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.15.9
EPSS0.00257
SSVC
3