Ubuntu.comUB:CVE-2023-6866CVE-2023-6866
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
AI Score
Confidence
High
EPSS
Percentile
29.9%
TypedArrays can be fallible and lacked proper exception handling. This
could lead to abuse in other APIs which expect TypedArrays to always
succeed. This vulnerability affects Firefox < 121.
Notes
| 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 | < 121.0+build1-0ubuntu0.20.04.1 | UNKNOWN |
| ubuntu | 22.04 | 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 |
References
bugzilla.mozilla.org/show_bug.cgi?id=1849037
launchpad.net/bugs/cve/CVE-2023-6866
nvd.nist.gov/vuln/detail/CVE-2023-6866
security-tracker.debian.org/tracker/CVE-2023-6866
ubuntu.com/security/notices/USN-6562-1
www.cve.org/CVERecord?id=CVE-2023-6866
www.mozilla.org/en-US/security/advisories/mfsa2023-56/#CVE-2023-6866
www.mozilla.org/security/advisories/mfsa2023-56/
Related
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
AI Score
Confidence
High
EPSS
Percentile
29.9%