CVE-2021-23981

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. 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.

8.1 /10

CVSS v3 : HIGH

V3 Legend

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

V2 Legend

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

Configuration 1 (hide)

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

03 May 2022, 16:04

Type Values Removed Values Added
CWE CWE-119 CWE-787

06 Aug 2021, 18:19

Type Values Removed Values Added
References
  • {'url': 'https://security.gentoo.org/glsa/202104-10', 'name': 'GLSA-202104-10', 'tags': [], 'refsource': 'GENTOO'}
  • {'url': 'https://security.gentoo.org/glsa/202104-09', 'name': 'GLSA-202104-09', 'tags': [], 'refsource': 'GENTOO'}

24 Jun 2021, 14:15

Type Values Removed Values Added
Summary 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, Thunderbird < 78.9, and Firefox < 87. 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.

01 May 2021, 02:15

Type Values Removed Values Added
References
  • (GENTOO) https://security.gentoo.org/glsa/202104-09 -
  • (GENTOO) https://security.gentoo.org/glsa/202104-10 -

05 Apr 2021, 12:41

Type Values Removed Values Added
CPE cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
CVSS v2 : unknown
v3 : unknown 		v2 : 5.8
v3 : 8.1
CWE CWE-119
References (MISC) https://www.mozilla.org/security/advisories/mfsa2021-10/ - (MISC) https://www.mozilla.org/security/advisories/mfsa2021-10/ - Vendor Advisory
References (MISC) https://bugzilla.mozilla.org/show_bug.cgi?id=1692832 - (MISC) https://bugzilla.mozilla.org/show_bug.cgi?id=1692832 - Issue Tracking
References (MISC) https://www.mozilla.org/security/advisories/mfsa2021-11/ - (MISC) https://www.mozilla.org/security/advisories/mfsa2021-11/ - Vendor Advisory
References (MISC) https://www.mozilla.org/security/advisories/mfsa2021-12/ - (MISC) https://www.mozilla.org/security/advisories/mfsa2021-12/ - Vendor Advisory

31 Mar 2021, 14:48

Type Values Removed Values Added
New CVE
Information

Published : 2021-03-31 14:15

Updated : 2023-12-10 13:55

NVD link : CVE-2021-23981

Mitre link : CVE-2021-23981

CVE.ORG link : CVE-2021-23981

JSON object : View

Products Affected

mozilla

  • thunderbird
  • firefox
  • firefox_esr
CWE
CWE-787

Out-of-bounds Write