8.8

CVE-2023-7024: Google Chromium WebRTC Heap Buffer Overflow Vulnerability

CVSS: 8.8v3.1HighKEVAnalyzed
AliasesDEBIAN-CVE-2023-7024DSA-5585-1
Published 21-12-2023Last modified 21-10-2025

Vulnerability summary

CVE-2023-7024 is a high (CVSS 8.8) Out-of-bounds Write vulnerability in Google Chromium WebRTC. It is known to be exploited: CISA lists it, first on 02-01-2024. EPSS estimates a 6.67% chance of exploitation in the next 30 days, higher than 93.8% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
85/100
0100
Critical · default modelHow is this calculated?
CVSS score
8.8/10
010
High · v3.1 (CVE.org)
EPSS score
6.67%
0%100%
Low · -0.68 pp in 30 days
KEVListedCISA
RansomwareNone recordedNo known use recorded
Public exploits1reference

Advisory lineage

Upstream 0 · Downstream 7 · Related 6

Timeline

  1. 21-12-2023
    PublishedVulnerability first disclosed.
  2. 02-01-2024
    Added to CISA KEVGoogle Chromium WebRTC Heap Buffer Overflow Vulnerability
  3. 23-01-2024
    CISA remediation dueApply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
  4. 21-10-2025
    Last modifiedVulnerability information updated.

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)

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

6.67%

Chance of exploitation in the next 30 days

Percentile

94%

Versus all other CVEs

30-day change

-0.68 pp

From 7.36% on 19-09-2026

19-09-202619-10-2026
EPSS score
6.67%

Known exploited

Compare KEV catalogs
CISA KEVListed
Added
02-01-2024
Federal due date
23-01-2024

CISA required action

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. nvd.nist.gov/vuln/detail/CVE-2023-7024

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (crbug.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Debian2 products
  • chromium< 120.0.6099.129-1 | < 120.0.6099.129-1~deb11u1 | < 120.0.6099.129-1~deb12u1
  • debian_linuxEOL11.0 | 12.0
Fedoraproject1 product
Google1 product
  • chrome≥ 120.0.6099.129, < 120.0.6099.129 | < 120.0.6099.129

3 vendors · 4 products

References

8 links