CVE-2021-29984

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-29984
Instruction reordering resulted in a sequence of instructions that would cause an object to be incorrectly considered during garbage collection. This led to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 78.13, Thunderbird < 91, Firefox ESR < 78.13, and Firefox < 91.

8.8 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.8 /10

CVSS v2.0 : MEDIUM

V2 Legend

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

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References
Link Resource
https://bugzilla.mozilla.org/show_bug.cgi?id=1720031 Exploit Issue Tracking Vendor Advisory
https://security.gentoo.org/glsa/202202-03 Third Party Advisory
https://security.gentoo.org/glsa/202208-14 Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2021-33/ Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2021-34/ Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2021-35/ Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2021-36/ 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

09 Dec 2022, 19:10

Type Values Removed Values Added
References (GENTOO) https://security.gentoo.org/glsa/202208-14 - (GENTOO) https://security.gentoo.org/glsa/202208-14 - Third Party Advisory
References (MISC) https://bugzilla.mozilla.org/show_bug.cgi?id=1720031 - Issue Tracking, Permissions Required, Vendor Advisory (MISC) https://bugzilla.mozilla.org/show_bug.cgi?id=1720031 - Exploit, Issue Tracking, Vendor Advisory

10 Aug 2022, 20:15

Type Values Removed Values Added
References
  • (GENTOO) https://security.gentoo.org/glsa/202208-14 -

03 May 2022, 16:04

Type Values Removed Values Added
CWE NVD-CWE-noinfo CWE-787

16 Mar 2022, 15:01

Type Values Removed Values Added
References (GENTOO) https://security.gentoo.org/glsa/202202-03 - (GENTOO) https://security.gentoo.org/glsa/202202-03 - Third Party Advisory

22 Feb 2022, 01:15

Type Values Removed Values Added
References
  • (GENTOO) https://security.gentoo.org/glsa/202202-03 -

25 Aug 2021, 14:50

Type Values Removed Values Added
References (MISC) https://bugzilla.mozilla.org/show_bug.cgi?id=1720031 - (MISC) https://bugzilla.mozilla.org/show_bug.cgi?id=1720031 - Issue Tracking, Permissions Required, Vendor Advisory
References (MISC) https://www.mozilla.org/security/advisories/mfsa2021-35/ - (MISC) https://www.mozilla.org/security/advisories/mfsa2021-35/ - Vendor Advisory
References (MISC) https://www.mozilla.org/security/advisories/mfsa2021-33/ - (MISC) https://www.mozilla.org/security/advisories/mfsa2021-33/ - Vendor Advisory
References (MISC) https://www.mozilla.org/security/advisories/mfsa2021-34/ - (MISC) https://www.mozilla.org/security/advisories/mfsa2021-34/ - Vendor Advisory
References (MISC) https://www.mozilla.org/security/advisories/mfsa2021-36/ - (MISC) https://www.mozilla.org/security/advisories/mfsa2021-36/ - Vendor Advisory
CWE NVD-CWE-noinfo
CVSS v2 : unknown
v3 : unknown 		v2 : 6.8
v3 : 8.8
CPE cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*

17 Aug 2021, 20:15

Type Values Removed Values Added
New CVE
Information

Published : 2021-08-17 20:15

Updated : 2023-12-10 13:55

NVD link : CVE-2021-29984

Mitre link : CVE-2021-29984

CVE.ORG link : CVE-2021-29984

JSON object : View

Products Affected

mozilla

  • thunderbird
  • firefox
  • firefox_esr
CWE
CWE-787

Out-of-bounds Write