Lucene search
+L

unbound: Unbound: Denial of Service via crafted DNSCrypt query

🗓️ 22 Jul 2026 14:15:25Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 4 Views

Unbound DNS resolver with DNSCrypt support: crafted DNSCrypt query over TCP causes memory error and DoS.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-40691
22 Jul 202613:04
attackerkb
CVE
CVE-2026-40691
22 Jul 202613:04
cve
Cvelist
CVE-2026-40691 Packet of death for DNSCrypt over TCP
22 Jul 202613:04
cvelist
Debian CVE
CVE-2026-40691
22 Jul 202613:04
debiancve
EUVD
EUVD-2026-47664
22 Jul 202613:04
euvd
NVD
CVE-2026-40691
22 Jul 202614:17
nvd
OSV
DEBIAN-CVE-2026-40691
22 Jul 202614:17
osv
OSV
ECHO-C9BD-BA81-0BAE
23 Jul 202602:18
osv
OSV
RHSA-2026:43588 Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update
23 Jul 202610:14
osv
OSV
UBUNTU-CVE-2026-40691
23 Jul 202600:00
osv
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

22 Jul 2026 18:01Current
5.5Medium risk
Vulners AI Score5.5
CVSS 3.17.5
SSVC
4