Linux · 
Debian · Security advisory · April 10, 2026
Debian · Security advisory · April 10, 2026DEBIAN-CVE-2026-40198: libnet-cidr-lite-perl security update
DEBIAN-CVE-2026-40198, released April 10, 2026, fixes 1 CVE in libnet-cidr-lite-perl. 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
0.0032
24th percentile
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| libnet-cidr-lite-perl | Debian 12.15 (bookworm) | 0.22-3~deb12u1 |
| libnet-cidr-lite-perl | Debian 13.5 (trixie) | 0.22-3~deb13u1 |
| libnet-cidr-lite-perl | Debian 14 | 0.22-3 |
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| High | CVE-2026-40198 | libnet-cidr-lite-perl: Net::CIDR::Lite versions before 0.23 for Perl does not validate IPv6 group count, which may allow IP ACL bypass | 7.5 | 0.0032 | None reported |
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