CVE-2023-7024

Google Chromium WebRTC Heap Buffer Overflow Vulnerability

High 8.8
Exploited: added to CISA KEV 2 Jan 2024

Description

Heap buffer overflow in WebRTC in Google Chrome prior to 120.0.6099.129 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)

Key facts

Published: 21 Dec 2023
Last changed: 21 Oct 2025
Assigned by: Chrome
KEV added: 2 Jan 2024
KEV fix due: 23 Jan 2024
EPSS: 6.671% likely to be exploited in the next 30 days, higher than 93.999% of CVEs (scores for 15 Nov 2026)
SSVC (CISA): Exploitation: active; Automatable: no; Technical impact: total

Severity scores

Each score is shown as its source gave it. They are not averaged or merged.

8.8CVSS 3.1, Highfrom CISA (ADP container)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

What to do

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.CISA KEV required action

Historical context and remediation

This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.

No separately sourced impact summary is available on this page yet. Consult the description, version data and dated exploitation evidence.

Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.

Read the original CVE record.

Affected products

Vendor	Product	Versions
Google	Chrome	120.0.6099.129 up to but excluding 120.0.6099.129 (affected)