CVE-2021-38500

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-38500
Mozilla developers reported memory safety bugs present in Firefox 92 and Firefox ESR 91.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Thunderbird < 78.15, Thunderbird < 91.2, Firefox ESR < 91.2, Firefox ESR < 78.15, and Firefox < 93.

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/buglist.cgi?bug_id=1725854%2C1728321 Broken Link Issue Tracking
https://lists.debian.org/debian-lts-announce/2022/01/msg00001.html Mailing List Third Party Advisory
https://www.debian.org/security/2022/dsa-5034 Issue Tracking Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2021-43/ Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2021-44/ Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2021-45/ Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2021-46/ Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2021-47/ Vendor Advisory
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1725854%2C1728321 Broken Link Issue Tracking
https://lists.debian.org/debian-lts-announce/2022/01/msg00001.html Mailing List Third Party Advisory
https://www.debian.org/security/2022/dsa-5034 Issue Tracking Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2021-43/ Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2021-44/ Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2021-45/ Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2021-46/ Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2021-47/ Vendor Advisory
Configurations

Configuration 1 (hide)

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

Configuration 2 (hide)

OR cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
History

21 Nov 2024, 06:17

Type Values Removed Values Added
References () https://bugzilla.mozilla.org/buglist.cgi?bug_id=1725854%2C1728321 - Broken Link, Issue Tracking () https://bugzilla.mozilla.org/buglist.cgi?bug_id=1725854%2C1728321 - Broken Link, Issue Tracking
References () https://lists.debian.org/debian-lts-announce/2022/01/msg00001.html - Mailing List, Third Party Advisory () https://lists.debian.org/debian-lts-announce/2022/01/msg00001.html - Mailing List, Third Party Advisory
References () https://www.debian.org/security/2022/dsa-5034 - Issue Tracking, Third Party Advisory () https://www.debian.org/security/2022/dsa-5034 - Issue Tracking, Third Party Advisory
References () https://www.mozilla.org/security/advisories/mfsa2021-43/ - Vendor Advisory () https://www.mozilla.org/security/advisories/mfsa2021-43/ - Vendor Advisory
References () https://www.mozilla.org/security/advisories/mfsa2021-44/ - Vendor Advisory () https://www.mozilla.org/security/advisories/mfsa2021-44/ - Vendor Advisory
References () https://www.mozilla.org/security/advisories/mfsa2021-45/ - Vendor Advisory () https://www.mozilla.org/security/advisories/mfsa2021-45/ - Vendor Advisory
References () https://www.mozilla.org/security/advisories/mfsa2021-46/ - Vendor Advisory () https://www.mozilla.org/security/advisories/mfsa2021-46/ - Vendor Advisory
References () https://www.mozilla.org/security/advisories/mfsa2021-47/ - Vendor Advisory () https://www.mozilla.org/security/advisories/mfsa2021-47/ - Vendor Advisory

17 Mar 2022, 19:36

Type Values Removed Values Added
CPE cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
References (MISC) https://bugzilla.mozilla.org/buglist.cgi?bug_id=1725854%2C1728321 - Broken Link (MISC) https://bugzilla.mozilla.org/buglist.cgi?bug_id=1725854%2C1728321 - Broken Link, Issue Tracking
References (DEBIAN) https://www.debian.org/security/2022/dsa-5034 - (DEBIAN) https://www.debian.org/security/2022/dsa-5034 - Issue Tracking, Third Party Advisory
References (MLIST) https://lists.debian.org/debian-lts-announce/2022/01/msg00001.html - (MLIST) https://lists.debian.org/debian-lts-announce/2022/01/msg00001.html - Mailing List, Third Party Advisory

04 Jan 2022, 12:15

Type Values Removed Values Added
References
  • (MLIST) https://lists.debian.org/debian-lts-announce/2022/01/msg00001.html -

03 Jan 2022, 11:15

Type Values Removed Values Added
References
  • (DEBIAN) https://www.debian.org/security/2022/dsa-5034 -

04 Nov 2021, 19:41

Type Values Removed Values Added
CWE NVD-CWE-noinfo
CVSS v2 : unknown
v3 : unknown 		v2 : 6.8
v3 : 8.8
References (MISC) https://www.mozilla.org/security/advisories/mfsa2021-46/ - (MISC) https://www.mozilla.org/security/advisories/mfsa2021-46/ - Vendor Advisory
References (MISC) https://www.mozilla.org/security/advisories/mfsa2021-43/ - (MISC) https://www.mozilla.org/security/advisories/mfsa2021-43/ - Vendor Advisory
References (MISC) https://www.mozilla.org/security/advisories/mfsa2021-44/ - (MISC) https://www.mozilla.org/security/advisories/mfsa2021-44/ - Vendor Advisory
References (MISC) https://bugzilla.mozilla.org/buglist.cgi?bug_id=1725854%2C1728321 - (MISC) https://bugzilla.mozilla.org/buglist.cgi?bug_id=1725854%2C1728321 - Broken Link
References (MISC) https://www.mozilla.org/security/advisories/mfsa2021-45/ - (MISC) https://www.mozilla.org/security/advisories/mfsa2021-45/ - Vendor Advisory
References (MISC) https://www.mozilla.org/security/advisories/mfsa2021-47/ - (MISC) https://www.mozilla.org/security/advisories/mfsa2021-47/ - Vendor Advisory
CPE cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*

03 Nov 2021, 01:15

Type Values Removed Values Added
New CVE
Information

Published : 2021-11-03 01:15

Updated : 2024-11-21 06:17

NVD link : CVE-2021-38500

Mitre link : CVE-2021-38500

CVE.ORG link : CVE-2021-38500

JSON object : View

Products Affected

mozilla

  • firefox_esr
  • firefox
  • thunderbird

debian

  • debian_linux
CWE
NVD-CWE-noinfo