CVE-2025-40911 · cross-distro fix matrix

CVE-2025-40911: Net::CIDR::Set versions 0.10 through 0.13 for Perl does not properly handle leading zero characters in IP CIDR address strings, which could allow attackers to bypass access control that is based on IP addresses. Leading zeros are used to indicate octal numbers, which can confuse users who are inten

Affects 1 Linux release across 1 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2025-40911 has a known fix. Run the listed command on that distro to remediate.

Debian trixie

Source: Debian Security Tracker

libnet-cidr-set-perl→ fixed in0.15-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y libnet-cidr-set-perl
```

Are YOU affected by CVE-2025-40911?

5-second check on your actual server. Reads /etc/os-release, uname -r, and the distro's package manager; matches against this same cross-source index live.

curl https://mindsparkstack.com/scan.sh | bash

Form-based quickscan View on NVD

Continuous monitoring beats manual checking

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