CVE Vulnerability

CVE-2021-23973

When trying to load a cross-origin resource in an audio/video context a decoding error may have resulted, and the content of that error may have revealed information about the resource. This vulnerability affects Firefox < 86, Thunderbird < 78.8, and Firefox ESR < 78.8.

4.3 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8.6 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

Scope

6.5 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://bugzilla.mozilla.org/show_bug.cgi?id=1690976 Issue Tracking Permissions Required
https://www.mozilla.org/security/advisories/mfsa2021-08/ Release Notes Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2021-09/ Release Notes Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2021-07/ Release Notes Vendor Advisory
https://lists.debian.org/debian-lts-announce/2021/03/msg00000.html Mailing List Third Party Advisory
https://www.debian.org/security/2021/dsa-4866 Third Party Advisory
https://security.gentoo.org/glsa/202104-09 Third Party Advisory
https://security.gentoo.org/glsa/202104-10 Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
Information

Published : 2021-02-26 02:15

Updated : 2022-05-27 06:04

NVD link : CVE-2021-23973

Mitre link : CVE-2021-23973

Products Affected
No products.
CWE
CWE-209