8.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
7.5 High
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
29.9%
Memory safety bugs present in Firefox 119. 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 Firefox < 120.
Author | Note |
---|---|
tyhicks | mozjs contains a copy of the SpiderMonkey JavaScript engine |
mdeslaur | starting with Ubuntu 22.04, the firefox package is just a script that installs the Firefox snap |
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
ubuntu | 20.04 | noarch | firefox | < 120.0+build2-0ubuntu0.20.04.1 | UNKNOWN |
ubuntu | 22.04 | noarch | mozjs102 | < any | UNKNOWN |
ubuntu | 23.10 | noarch | mozjs102 | < any | UNKNOWN |
ubuntu | 24.04 | noarch | mozjs102 | < any | UNKNOWN |
ubuntu | 18.04 | noarch | mozjs38 | < any | UNKNOWN |
ubuntu | 18.04 | noarch | mozjs52 | < any | UNKNOWN |
ubuntu | 20.04 | noarch | mozjs52 | < any | UNKNOWN |
ubuntu | 20.04 | noarch | mozjs68 | < any | UNKNOWN |
ubuntu | 22.04 | noarch | mozjs78 | < any | UNKNOWN |
ubuntu | 22.04 | noarch | mozjs91 | < any | UNKNOWN |
bugzilla.mozilla.org/buglist.cgi?bug_id=1849265%2C1851118%2C1854911
launchpad.net/bugs/cve/CVE-2023-6213
nvd.nist.gov/vuln/detail/CVE-2023-6213
security-tracker.debian.org/tracker/CVE-2023-6213
ubuntu.com/security/notices/USN-6509-1
www.cve.org/CVERecord?id=CVE-2023-6213
www.mozilla.org/en-US/security/advisories/mfsa2023-49/#CVE-2023-6213
www.mozilla.org/security/advisories/mfsa2023-49/
8.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
7.5 High
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
29.9%