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CVE-2026-0398

🗓️ 09 Feb 2026 15:16:00Reported by ubuntu.comType 
ubuntucve
 ubuntucve
🔗 ubuntu.com👁 16 Views

CVE-2026-0398: Crafted zones raise resource usage; crafted CNAME chains poison the Recursor cache.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
freebsd
FreeBSD
powerdns-recursor -- Denial of Service
8 Dec 202500:00
–freebsd
attackerkb
attackerkb
CVE-2026-0398
9 Feb 202614:20
–attackerkb
alpinelinux
AlpineLinux
CVE-2026-0398
9 Feb 202614:20
–alpinelinux
bdu_fstec
BDU FSTEC
PowerDNS DNS DoS
22 Apr 202600:00
–bdu_fstec
cnnvd
CNNVD
PowerDNS Recursor (pdns_recursor) security vulnerability
9 Feb 202600:00
–cnnvd
cve
CVE
CVE-2026-0398
9 Feb 202614:20
–cve
cvelist
Cvelist
CVE-2026-0398 Crafted zones can lead to increased resource usage and crafted CNAME chains can lead to cache poisoning in Recursor
9 Feb 202614:20
–cvelist
debian
Debian
[SECURITY] [DSA 6134-1] pdns-recursor security update
13 Feb 202619:12
–debian
debiancve
Debian CVE
CVE-2026-0398
9 Feb 202614:20
–debiancve
nessus
Tenable Nessus
Debian dsa-6134 : pdns-recursor - security update
14 Feb 202600:00
–nessus
Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Ubuntu16.04allpdns-recursor0pdns-recursor_0_all.deb
Ubuntu26.04allpdns-recursor0pdns-recursor_0_all.deb
Ubuntu18.04allpdns-recursor0pdns-recursor_0_all.deb
Ubuntu20.04allpdns-recursor0pdns-recursor_0_all.deb
Ubuntu22.04allpdns-recursor0pdns-recursor_0_all.deb
Ubuntu24.04allpdns-recursor0pdns-recursor_0_all.deb

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11 Feb 2026 03:38Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.15.3
EPSS0.00345
SSVC
16