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SUSE CVE-2026-40691

🗓️ 26 Jul 2026 23:32:24Reported by Suse CVEType 
susecve
 susecve🔗 www.suse.com👁 34 Views

Unbound DNSCrypt over TCP may crash from heap overflow on large replies; enable DNSCrypt support and dnscrypt clause.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb		CVE-2026-40691
22 Jul 202613:04
–attackerkb
alpinelinux
AlpineLinux		CVE-2026-40691
22 Jul 202613:04
–alpinelinux
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
debian
Debian		[SECURITY] [DSA 6507-1] unbound security update
19 Sep 202615:00
–debian
debiancve
Debian CVE		CVE-2026-40691
22 Jul 202613:04
–debiancve
nessus
Tenable Nessus		Debian dsa-6507 : libunbound-dev - security update
21 Sep 202600:00
–nessus
nessus
Tenable Nessus		EulerOS 2.0 SP15 : unbound (EulerOS-SA-2026-3955)
8 Oct 202600:00
–nessus
nessus
Tenable Nessus		EulerOS 2.0 SP15 : unbound (EulerOS-SA-2026-4021)
8 Oct 202600:00
–nessus
Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
SUSE Linux Micro6.1noarchlibunbound81.25.2-slfo.1.1_1.1libunbound8-1.25.2-slfo.1.1_1.1.noarch.rpm
OpenSUSE Tumbleweedanynoarchlibunbound81.25.2-1.1libunbound8-1.25.2-1.1.noarch.rpm
SUSE Linux Micro6.0noarchlibunbound81.25.2-1.1libunbound8-1.25.2-1.1.noarch.rpm
SUSE Linux Micro5.5noarchlibunbound81.25.2-150100.10.28.1libunbound8-1.25.2-150100.10.28.1.noarch.rpm
SUSE Linux Enterprise Server15.4noarchlibunbound81.25.2-150100.10.28.1libunbound8-1.25.2-150100.10.28.1.noarch.rpm
SUSE Linux Enterprise Server15.5noarchlibunbound81.25.2-150100.10.28.1libunbound8-1.25.2-150100.10.28.1.noarch.rpm
SUSE Linux Enterprise Server for SAP applications15.4noarchlibunbound81.25.2-150100.10.28.1libunbound8-1.25.2-150100.10.28.1.noarch.rpm
SUSE Linux Enterprise Server for SAP applications15.5noarchlibunbound81.25.2-150100.10.28.1libunbound8-1.25.2-150100.10.28.1.noarch.rpm
SUSE Linux Enterprise Desktop15.7noarchlibunbound81.25.2-150600.23.19.1libunbound8-1.25.2-150600.23.19.1.noarch.rpm
SUSE Linux Enterprise Server15.6noarchlibunbound81.25.2-150600.23.19.1libunbound8-1.25.2-150600.23.19.1.noarch.rpm
Rows per page

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11 Sep 2026 01:24Current
6.1Medium risk
Vulners AI Score6.1
CVSS 3.17.5
EPSS0.00293
unbounddnscryptdenial of serviceheap overflowlarge replies
34