Description
The “ipaddress” module contained incorrect information about whether certain IPv4 and IPv6 addresses were designated as “globally reachable” or “private”. This affected the is_private and is_global properties of the ipaddress.IPv4Address, ipaddress.IPv4Network, ipaddress.IPv6Address, and ipaddress.IPv6Network classes, where values wouldn’t be returned in accordance with the latest information from the IANA Special-Purpose Address Registries. CPython 3.12.4 and 3.13.0a6 contain updated information from these registries and thus have the intended behavior.
Details
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Affected Packages
| Software | From version | Fixed in |
|---|---|---|
| libpython | — | — |
| python | — | — |
| python-min | — | — |
| unknown | — | — |
Similar Threats
- High BIT-libpython-2026-4519
- Low BIT-libpython-2026-3479
- Medium BIT-libpython-2026-3644
- Low BIT-libpython-2025-13462
- Medium BIT-libpython-2026-2297
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