Advisories » MGASA-2021-0038

Updated python-lxml packages fix a security vulnerability

Publication date: 17 Jan 2021
Modification date: 17 Jan 2021
Type: security
Affected Mageia releases : 7
CVE: CVE-2020-27783

Description

A XSS vulnerability was discovered in python-lxml's clean module. The module's
parser didn't properly imitate browsers, which caused different behaviors
between the sanitizer and the user's page. A remote attacker could exploit
this flaw to run arbitrary HTML/JS code. (CVE-2020-27783).
                

References

• https://bugs.mageia.org/show_bug.cgi?id=27685
• https://www.debian.org/lts/security/2020/dla-2467
• https://ubuntu.com/security/notices/USN-4666-1
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/thread/JKG67GPGTV23KADT4D4GK4RMHSO4CIQL/
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/thread/TMHVKRUT22LVWNL3TB7HPSDHJT74Q3JK/
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27783

SRPMS

7/core

• python-lxml-4.3.0-1.2.mga7