CVE-2024-4032
Incorrect IPv4 and IPv6 private ranges
- State
- Published
- Severity
- 7.5 High
- Published
- Jun 17, 2024
- Updated
- Nov 3, 2025
- Reserved
- Apr 22, 2024
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 7.5 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N | CISA-ADP |
Weaknesses
- CWE-697 Incorrect Comparison
Affected Products
| Product | Versions |
|---|---|
CPythonPython Software Foundation |
|
References
- https://github.com/python/cpython/issues/113171issue-tracking
- https://github.com/python/cpython/pull/113179patch
- https://www.iana.org/assignments/iana-ipv4-special-registry/iana-ipv4-special-registry.xhtml
- https://www.iana.org/assignments/iana-ipv6-special-registry/iana-ipv6-special-registry.xhtml
- https://mail.python.org/archives/list/security-announce@python.org/thread/NRUHDUS2IV2USIZM2CVMSFL6SCKU3RZA/vendor-advisory
- https://github.com/python/cpython/commit/22adf29da8d99933ffed8647d3e0726edd16f7f8patch
- https://github.com/python/cpython/commit/40d75c2b7f5c67e254d0a025e0f2e2c7ada7f69fpatch
- https://github.com/python/cpython/commit/895f7e2ac23eff4743143beef0f0c5ac71ea27d3patch
- https://github.com/python/cpython/commit/ba431579efdcbaed7a96f2ac4ea0775879a332fbpatch
- https://github.com/python/cpython/commit/c62c9e518b784fe44432a3f4fc265fb95b651906patch
- https://github.com/python/cpython/commit/f86b17ac511e68192ba71f27e752321a3252cee3patch
- http://www.openwall.com/lists/oss-security/2024/06/17/3
- https://security.netapp.com/advisory/ntap-20240726-0004/
- https://lists.debian.org/debian-lts-announce/2024/12/msg00000.html
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