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CVE-2026-58218

🗓️ 28 Jul 2026 10:00:00Reported by ubuntu.comType 
ubuntucve
 ubuntucve
🔗 ubuntu.com👁 26 Views

CVE-2026-58218: An unauthenticated attacker floods DNS TKEY name cache by registering TKEY names, expunging legitimate TKEYs and blocking TSIG signing.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-58218
30 Jul 202614:01
attackerkb
alpinelinux
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CVE-2026-58218
30 Jul 202614:01
alpinelinux
circl
Circl
CVE-2026-58218
28 Jul 202614:25
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cve
CVE
CVE-2026-58218
30 Jul 202614:01
cve
cvelist
Cvelist
CVE-2026-58218 Samba: dns signing dos via tkey name cache exhaustion
30 Jul 202614:01
cvelist
debian
Debian
[SECURITY] [DSA 6401-1] samba security update
28 Jul 202615:16
debian
debiancve
Debian CVE
CVE-2026-58218
30 Jul 202614:01
debiancve
nessus
Tenable Nessus
Debian dsa-6401 : ctdb - security update
28 Jul 202600:00
nessus
nessus
Tenable Nessus
Fedora 45 : freeipa / samba (2026-3be8175017)
4 Aug 202600:00
nessus
nessus
Tenable Nessus
Fedora 43 : freeipa / samba (2026-8e7fa96cf3)
7 Aug 202600:00
nessus
Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Ubuntu14.04allsamba0samba_0_all.deb
Ubuntu16.04allsamba0samba_0_all.deb
Ubuntu18.04allsamba0samba_0_all.deb
Ubuntu20.04allsamba0samba_0_all.deb
Ubuntu22.04allsamba2:4.15.13+dfsg-0ubuntu1.13samba_2:4.15.13+dfsg-0ubuntu1.13_all.deb
Ubuntu24.04allsamba2:4.19.5+dfsg-4ubuntu9.7samba_2:4.19.5+dfsg-4ubuntu9.7_all.deb
Ubuntu26.04allsamba2:4.23.6+dfsg-1ubuntu2.2samba_2:4.23.6+dfsg-1ubuntu2.2_all.deb

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07 Aug 2026 13:21Current
5.5Medium risk
Vulners AI Score5.5
CVSS 3.15.3
EPSS0.011
SSVC
26