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CVE-2021-29921

Published: 5/6/2021 Last updated: 8/3/2024 Reserved: 4/1/2021

In Python before 3,9,5, the ipaddress library mishandles leading zero characters in the octets of an IP address string. This (in some situations) allows attackers to bypass access control that is based on IP addresses.

CNA assigner: mitre (8254265b-2729-46b6-b9e3-3dfca2d5bfca) Requested by: n/a

Opam packages affected (7)

conf-python-2-7 conf-python-2-7-dev conf-python-3 conf-python-3-7 conf-python-3-dev py termbox

Products affected (1)

Product	Vendor	Version
n/a	n/a	>=15.1, <15.1.1

References (32)