Packages
- libnet-cidr-perl - module for merging IPv4 or IPv6 CIDR address ranges
Details
Dave Rolsky discovered that Net-CIDR did not properly sanitize IP
addresses. An attacker could possibly use this to bypass IP-based
restrictions.
Dave Rolsky discovered that Net-CIDR did not properly sanitize IP
addresses. An attacker could possibly use this to bypass IP-based
restrictions.
Update instructions
In general, a standard system update will make all the necessary changes.
Learn more about how to get the fixes.The problem can be corrected by updating your system to the following package versions:
| Ubuntu Release | Package Version | ||
|---|---|---|---|
| 24.04 LTS noble | libnet-cidr-perl – 0.21-2ubuntu0.2 | ||
| 22.04 LTS jammy | libnet-cidr-perl – 0.21-1ubuntu0.2 | ||
| 20.04 LTS focal | libnet-cidr-perl – 0.20-1ubuntu0.1~esm2 | ||
| 18.04 LTS bionic | libnet-cidr-perl – 0.18-1ubuntu0.1~esm2 | ||
| 16.04 LTS xenial | libnet-cidr-perl – 0.17-1ubuntu0.16.04.1~esm2 | ||
| 14.04 LTS trusty | libnet-cidr-perl – 0.17-1ubuntu0.14.04.1~esm2 | ||
Reduce your security exposure
Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.