Name: CVE-2020-22284: Buffer Copy without Checking Size of Input
Creator: Rapid7
Published: 2021-07-22T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2020-22284, CWE-120, CVSS 7.5, EPSS 0.00401

A buffer overflow vulnerability in the zepif_linkoutput() function of Free Software Foundation lwIP git head version and version 2.1.2 allows attackers to access sensitive information via a crafted 6LoWPAN packet.

CVSS Details

CVSS 3.1 Base Score: 7.5
CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Debian	—	Upgrade lwip	Jul 30, 2024	Jul 22, 2021
Ubuntu	—	Upgrade liblwip0 (Ubuntu Pro)Upgrade liblwip-doc (Ubuntu Pro)Upgrade liblwip-dev (Ubuntu Pro)Upgrade liblwip0t64 (Ubuntu Pro)	Jun 16, 2026	Jun 11, 2026

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CVSS Details

Covered by Rapid7

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