DEBIAN-CVE-2026-64193: libnet-dns-perl security update

DEBIAN-CVE-2026-64193, released July 24, 2026, fixes 1 CVE in libnet-dns-perl. None of them is reported as exploited. Patch Radar priority: Urgent.

Urgent

CVEs closed

1 rated Critical

Exploited

None reported

Highest CVSS

9.8

Base score, 0 to 10

Highest EPSS

0.0144

73rd percentile

Fixed package versions

Product	Release	Fixed in
libnet-dns-perl	Debian 13.5 (trixie)	1.56-0+deb13u1
libnet-dns-perl	Debian 14	1.56-1

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
Urgent	CVE-2026-64193	libnet-dns-perl: Net::DNS versions through 1.55 for Perl allow remote execution injection via EDNS EXTENDED ERROR	9.8	0.0144	None reported

Also fixes CVE-2026-64193

OPENSUSE-SU-2026:21859-1
perl-Net-DNS on opensuse-leap 16.0
ALAS2023-2026-2046
perl-Net-DNS, perl-Net-DNS-Nameserver, perl-Net-DNS-tests on amzn 2023

Vendor advisory

https://security-tracker.debian.org/tracker/CVE-2026-64193

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