CVE-2021-23981

A texture upload of a Pixel Buffer Object could have confused the WebGL code to skip binding the buffer used to unpack it, resulting in memory corruption and a potentially exploitable information leak or crash. This vulnerability affects Firefox ESR < 78.9, Firefox < 87, and Thunderbird < 78.9.

CVSS v3.0 8.1 HIGH
CVSS v2.0 5.8 MEDIUM

8.1^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.8^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:P/I:N/A:P

Exploitability : 8.6 / Impact : 4.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://www.mozilla.org/security/advisories/mfsa2021-11/	Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2021-12/	Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2021-10/	Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1692832	Issue Tracking

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Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:mozilla:firefox::::::::
	cpe:2.3:a:mozilla:thunderbird::::::::
	cpe:2.3:a:mozilla:firefox_esr::::::::

Information

Published : 2021-03-31 07:15

Updated : 2022-05-03 09:04

NVD link : CVE-2021-23981

Mitre link : CVE-2021-23981

JSON object : View

CWE

CWE-787

Out-of-bounds Write

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Products Affected

mozilla

firefox
firefox_esr
thunderbird

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