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CVE-2026-40691

🗓️ 22 Jul 2026 13:04:35Reported by Debian Security Bug TrackerType 
debiancve
 debiancve
🔗 security-tracker.debian.org👁 13 Views

CVE-2026-40691 affects Unbound versions 1.9.0 to 1.25.1 when handling DNSCrypt queries.

Related
Packages
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-40691
22 Jul 202613:04
attackerkb
cbl_mariner
CBLMariner
CVE-2026-40691 affecting package unbound for versions less than 1.25.2-1
23 Jul 202620:32
cbl_mariner
cve
CVE
CVE-2026-40691
22 Jul 202613:04
cve
cvelist
Cvelist
CVE-2026-40691 Packet of death for DNSCrypt over TCP
22 Jul 202613:04
cvelist
euvd
EUVD
EUVD-2026-47664
22 Jul 202613:04
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
nessus
Tenable Nessus
Fedora 43 : unbound (2026-3170ee6a1c)
31 Jul 202600:00
nessus
nessus
Tenable Nessus
Fedora 44 : unbound (2026-e495bd59ef)
30 Jul 202600:00
nessus
Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Debian11allunbound1.13.1-1+deb11u7unbound_1.13.1-1+deb11u7_all.deb
Debian12allunbound1.17.1-2+deb12u4unbound_1.17.1-2+deb12u4_all.deb
Debian13allunbound1.22.0-2+deb13u3unbound_1.22.0-2+deb13u3_all.deb
Debian14allunbound1.25.2-1unbound_1.25.2-1_all.deb
Debian999allunbound1.25.2-1unbound_1.25.2-1_all.deb

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22 Jul 2026 13:04Current
5.6Medium risk
Vulners AI Score5.6
CVSS 3.17.5
EPSS0.00293
SSVC
13