CVE-2021-29945

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-29945
The WebAssembly JIT could miscalculate the size of a return type, which could lead to a null read and result in a crash. *Note: This issue only affected x86-32 platforms. Other platforms are unaffected.*. This vulnerability affects Firefox ESR < 78.10, Thunderbird < 78.10, and Firefox < 88.

6.5 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

4.3 /10

CVSS v2.0 : MEDIUM

V2 Legend

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

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References
Link Resource
https://bugzilla.mozilla.org/show_bug.cgi?id=1700690 Issue Tracking Permissions Required Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2021-14/ Release Notes Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2021-15/ Release Notes Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2021-16/ Release Notes Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1700690 Issue Tracking Permissions Required Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2021-14/ Release Notes Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2021-15/ Release Notes Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2021-16/ Release Notes Vendor Advisory
Configurations

Configuration 1 (hide)

OR cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:x86:*
cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:x86:*
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:x86:*
History

21 Nov 2024, 06:02

Type Values Removed Values Added
References () https://bugzilla.mozilla.org/show_bug.cgi?id=1700690 - Issue Tracking, Permissions Required, Vendor Advisory () https://bugzilla.mozilla.org/show_bug.cgi?id=1700690 - Issue Tracking, Permissions Required, Vendor Advisory
References () https://www.mozilla.org/security/advisories/mfsa2021-14/ - Release Notes, Vendor Advisory () https://www.mozilla.org/security/advisories/mfsa2021-14/ - Release Notes, Vendor Advisory
References () https://www.mozilla.org/security/advisories/mfsa2021-15/ - Release Notes, Vendor Advisory () https://www.mozilla.org/security/advisories/mfsa2021-15/ - Release Notes, Vendor Advisory
References () https://www.mozilla.org/security/advisories/mfsa2021-16/ - Release Notes, Vendor Advisory () https://www.mozilla.org/security/advisories/mfsa2021-16/ - Release Notes, Vendor Advisory

30 Jun 2021, 19:01

Type Values Removed Values Added
CPE cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:x86:*
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:x86:*
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:x86:*
CVSS v2 : unknown
v3 : unknown 		v2 : 4.3
v3 : 6.5
CWE CWE-682
References (MISC) https://bugzilla.mozilla.org/show_bug.cgi?id=1700690 - (MISC) https://bugzilla.mozilla.org/show_bug.cgi?id=1700690 - Issue Tracking, Permissions Required, Vendor Advisory
References (MISC) https://www.mozilla.org/security/advisories/mfsa2021-15/ - (MISC) https://www.mozilla.org/security/advisories/mfsa2021-15/ - Release Notes, Vendor Advisory
References (MISC) https://www.mozilla.org/security/advisories/mfsa2021-14/ - (MISC) https://www.mozilla.org/security/advisories/mfsa2021-14/ - Release Notes, Vendor Advisory
References (MISC) https://www.mozilla.org/security/advisories/mfsa2021-16/ - (MISC) https://www.mozilla.org/security/advisories/mfsa2021-16/ - Release Notes, Vendor Advisory

24 Jun 2021, 14:20

Type Values Removed Values Added
New CVE
Information

Published : 2021-06-24 14:15

Updated : 2024-11-21 06:02

NVD link : CVE-2021-29945

Mitre link : CVE-2021-29945

CVE.ORG link : CVE-2021-29945

JSON object : View

Products Affected

mozilla

  • firefox_esr
  • firefox
  • thunderbird
CWE
CWE-682

Incorrect Calculation