CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
AI Score
Confidence
Low
EPSS
Percentile
9.0%
A memory allocation check was missing which would lead to a use-after-free
if the allocation failed. This could have triggered a crash or potentially
be leveraged to achieve code execution. This vulnerability affects Firefox
< 126.
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 starting with Ubuntu 24.04, the thunderbird package is just a script that installs the Thunderbird snap |
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
ubuntu | 20.04 | noarch | firefox | < 126.0+build2-0ubuntu0.20.04.1 | 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 |
bugzilla.mozilla.org/show_bug.cgi?id=1893891
launchpad.net/bugs/cve/CVE-2024-4771
nvd.nist.gov/vuln/detail/CVE-2024-4771
security-tracker.debian.org/tracker/CVE-2024-4771
ubuntu.com/security/notices/USN-6779-1
www.cve.org/CVERecord?id=CVE-2024-4771
www.mozilla.org/en-US/security/advisories/mfsa2024-21/#CVE-2024-4771
www.mozilla.org/security/advisories/mfsa2024-21/