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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2021-23953 Detail

Description

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. This vulnerability affects Firefox < 85, Thunderbird < 78.7, and Firefox ESR < 78.7.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://bugzilla.mozilla.org/show_bug.cgi?id=1683940 Issue Tracking  Permissions Required  Vendor Advisory 
https://bugzilla.mozilla.org/show_bug.cgi?id=1683940 Issue Tracking  Permissions Required  Vendor Advisory 
https://www.mozilla.org/security/advisories/mfsa2021-03/ Release Notes  Vendor Advisory 
https://www.mozilla.org/security/advisories/mfsa2021-03/ Release Notes  Vendor Advisory 
https://www.mozilla.org/security/advisories/mfsa2021-04/ Release Notes  Vendor Advisory 
https://www.mozilla.org/security/advisories/mfsa2021-04/ Release Notes  Vendor Advisory 
https://www.mozilla.org/security/advisories/mfsa2021-05/ Release Notes  Vendor Advisory 
https://www.mozilla.org/security/advisories/mfsa2021-05/ Release Notes  Vendor Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
NVD-CWE-noinfo Insufficient Information cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

3 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2021-23953
NVD Published Date:
02/25/2021
NVD Last Modified:
11/21/2024
Source:
Mozilla Corporation