6.1 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
4.3 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:N/I:P/A:N
0.003 Low
EPSS
Percentile
65.7%
Documents loaded with the CSP sandbox directive could have escaped the
sandbox’s script restriction by embedding additional content. This
vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and
Firefox < 95.
Author | Note |
---|---|
tyhicks | mozjs contains a copy of the SpiderMonkey JavaScript engine |
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
ubuntu | 18.04 | noarch | firefox | < 95.0+build1-0ubuntu0.18.04.1 | UNKNOWN |
ubuntu | 20.04 | noarch | firefox | < 95.0+build1-0ubuntu0.20.04.1 | UNKNOWN |
ubuntu | 21.04 | noarch | firefox | < 95.0+build1-0ubuntu0.21.04.1 | UNKNOWN |
ubuntu | 21.10 | noarch | firefox | < 95.0+build1-0ubuntu0.21.10.1 | UNKNOWN |
ubuntu | 22.04 | noarch | firefox | < 95.0+build1-0ubuntu1 | UNKNOWN |
ubuntu | 22.10 | noarch | firefox | < 95.0+build1-0ubuntu1 | UNKNOWN |
ubuntu | 23.04 | noarch | firefox | < 95.0+build1-0ubuntu1 | UNKNOWN |
ubuntu | 23.10 | noarch | firefox | < 95.0+build1-0ubuntu1 | UNKNOWN |
ubuntu | 24.04 | noarch | firefox | < 95.0+build1-0ubuntu1 | UNKNOWN |
ubuntu | 18.04 | noarch | mozjs38 | < any | UNKNOWN |
launchpad.net/bugs/cve/CVE-2021-43543
nvd.nist.gov/vuln/detail/CVE-2021-43543
security-tracker.debian.org/tracker/CVE-2021-43543
ubuntu.com/security/notices/USN-5186-1
ubuntu.com/security/notices/USN-5246-1
ubuntu.com/security/notices/USN-5248-1
www.cve.org/CVERecord?id=CVE-2021-43543
www.mozilla.org/en-US/security/advisories/mfsa2021-52/#CVE-2021-43543
www.mozilla.org/en-US/security/advisories/mfsa2021-53/#CVE-2021-43543
www.mozilla.org/en-US/security/advisories/mfsa2021-54/#CVE-2021-43543
6.1 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
4.3 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:N/I:P/A:N
0.003 Low
EPSS
Percentile
65.7%