CVE-2021-23953

Public on 2021-02-17
Modified on 2021-02-19
Description
The Mozilla Foundation Security Advisory describes this flaw as:

If a user clicked into a specifically crafted PDF, the PDF reader could be confused into leaking cross-origin information, when said information is served as chunked data.
Severity
Important severity
Important
CVSS v3 Base Score
4.3
See breakdown

Affected Packages

Platform Package Release Date Advisory Status
Amazon Linux 2 - Core thunderbird 2021-02-17 ALAS2-2021-1603 Fixed

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 4.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
NVD CVSSv2 4.3 AV:N/AC:M/Au:N/C:P/I:N/A:N
NVD CVSSv3 4.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N