MGASA-2021-0301 - Updated nginx package fixes a security vulnerability

Publication date: 29 Jun 2021
Type: security
Affected Mageia releases: 7, 8
CVE: CVE-2021-23017

A flaw was found in nginx. An off-by-one error while processing DNS responses
allows a network attacker to write a dot character out of bounds in a heap
allocated buffer which can allow overwriting the least significant byte of next
heap chunk metadata likely leading to a remote code execution in certain
circumstances. The highest threat from this vulnerability is to data
confidentiality and integrity as well as system availability (CVE-2021-23017).

-[email protected]/thread/7SFVYHC7OXTEO4SMBWXDVK6E5IMEYMEE/

- 8/core/nginx-1.18.0-5.1.mga8
- 7/core/nginx-1.16.1-1.3.mga7