CVE-2023-3215
Published: 13 June 2023
Summary
CVE-2023-3215 is a high-severity Use After Free (CWE-416) vulnerability in Debian Debian Linux. Its CVSS base score is 8.8 (High).
Operationally, ranked in the top 4.6% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
Deeper analysis
CVE-2023-3215 is a use-after-free vulnerability in the WebRTC component of Google Chrome versions prior to 114.0.5735.133. The flaw, tracked under CWE-416, can lead to heap corruption when a victim visits a specially crafted HTML page, and it carries a CVSS 3.1 base score of 8.8 reflecting network attack vector, low complexity, and high impact on confidentiality, integrity, and availability.
A remote attacker can exploit the issue by serving malicious WebRTC content that triggers the use-after-free condition in the browser. Successful exploitation grants the attacker the ability to corrupt heap memory, potentially resulting in arbitrary code execution within the Chrome renderer process.
Chrome stable channel updates released on 13 June 2023 address the vulnerability by updating WebRTC handling, and downstream distributions such as Fedora and Gentoo have issued corresponding package updates that pull in the fixed Chrome or Chromium builds. Users are advised to apply the patched versions promptly.
The associated EPSS score has remained in the 0.18–0.21 range since disclosure, indicating moderate but not sharply increasing exploitation interest.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2023-43893
Vulnerability details
Use after free in WebRTC in Google Chrome prior to 114.0.5735.133 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Use-after-free exploits that achieve arbitrary code execution are blocked or significantly hardened by non-executable pages and ASLR.