CVE-2021-4327 is a critical integer overflow vulnerability (CWE-190) found in the initialize_typed_array_from_array_buffer function within the LibJS library of SerenityOS. This flaw allows for remote code execution with high impact on confidentiality, integrity, and availability, as indicated by its CVSS score of 9.8. While the exploit has been publicly disclosed, there is no evidence of active exploitation in the wild, nor are there readily available exploit modules in common frameworks like Metasploit or Nuclei. Due to SerenityOS's rolling release model, specific affected versions are not available, but a patch (f6c6047e49f1517778f5565681fb64750b14bf60) has been released.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 2021-01-27CPE matchmatch criteria | cpe:2.3:o:serenityos:serenityos:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.