Linux · 
Debian · Security advisory · August 17, 2026
Debian · Security advisory · August 17, 2026DEBIAN-CVE-2026-19566: libnet-cidr-set-perl security update
DEBIAN-CVE-2026-19566, released August 17, 2026, fixes 1 CVE in libnet-cidr-set-perl (version 0.23-1). None of them is reported as exploited. Patch Radar priority: High.
High
CVEs closed
1
None rated Critical
Exploited
0
None reported
Highest CVSS
7.5
Base score, 0 to 10
Highest EPSS
0.0063
50th percentile
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| libnet-cidr-set-perl | Debian 14 | 0.23-1 |
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| High | CVE-2026-19566 | libnet-cidr-set-perl: Net::CIDR::Set versions before 0.23 for Perl allow memory exhaustion and malformed set ranges via unbounded IPv6 pref... | 7.5 | 0.0063 | None reported |
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