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Fencer Vulns
high 8.8

CVE-2023-7024 kev in the critical feed json

Heap buffer overflow in WebRTC in Google Chrome prior to 120.0.6099.129 allowed a remote attacker to potentially exploit heap corruption vi…

published 2023-12-21 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-59215

cvss
8.8
version 3.1, CNA
cisa kev
Exploited
added 2024-01-02
epss
6.7%
EPSS 6.7% chance of exploitation in 30 days, percentile 93%
public exploits
0
none known

Summary

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)

Patch / fix

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

  • google chrome 120.0.6099.129
  • chromium Debian 12 120.0.6099.129-1~deb12u1
  • chromium Debian 14, Debian 13 120.0.6099.129-1

debian advisories DEBIAN-CVE-2023-7024

  • nodejs-electron openSUSE Tumbleweed 27.2.0-1.1
  • chromium openSUSE Tumbleweed 120.0.6099.216-1.1
  • chromium Package Hub 15 SP5, openSUSE Leap 15.5 120.0.6099.216-bp155.2.64.1
  • opera openSUSE Leap 15.5 NonFree 106.0.4998.19-lp155.3.27.1
  • opera openSUSE Leap 15.4 NonFree 106.0.4998.19-lp154.2.68.1

opensuse advisories openSUSE-SU-2024:13532-1openSUSE-SU-2024:13583-1openSUSE-SU-2024:13585-1openSUSE-SU-2024:0020-1openSUSE-SU-2024:0002-1openSUSE-SU-2024:0001-1

  • qt5-qtwebengine Alpine 3.19 5.15.16-r3
  • qt5-qtwebengine Alpine 3.23, Alpine 3.22, Alpine 3.21 +1 more 5.15.16-r5
  • qt6-qtwebengine Alpine 3.24, Alpine 3.23, Alpine 3.22 +3 more 6.6.1-r4

alpine advisories ALPINE-CVE-2023-7024

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2023-7024 updated cvss 8.8

chromium-browser: Heap buffer overflow in WebRTC

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Timeline

  1. Found exploited as a 0-day (Project Zero)
  2. 0-day patched (Project Zero)
  3. Published
  4. CISA SSVC: exploitation active
  5. Added to CISA KEV
  6. CISA patch deadline

Known exploited

Added
2 y ago
Patch by
2024-01-23 (2 y ago)
Ransomware
Not known
Required action
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Vendor, product
Google, Chromium WebRTC
CISA name
Google Chromium WebRTC Heap Buffer Overflow Vulnerability

Zero-day

Detected in real attacks while still unknown to the vendor and the public, per Google Project Zero's 0day In-the-Wild tracker.

Found
2023-12-19
Patched
2023-12-20
Details
project zero tracker

ATT&CK techniques

How it is exploited and what it leads to, in MITRE ATT&CK terms.

  • T1189 Drive-by Compromise exploitation
  • T1574 Hijack Execution Flow primary impact

kev release 2025-07-28, att&ck v16.1. KEV to ATT&CK mappings by the MITRE Center for Threat-Informed Defense (Mappings Explorer, Apache-2.0). © 2026 The MITRE Corporation. This work is reproduced and distributed with the permission of The MITRE Corporation. Terms of use

CISA SSVC

Exploitation
Active, exploited in the wild
Automatable
no
Technical impact
total
Assessed
2 y ago

Exploit prediction

6.67% chance of exploitation in the next 30 days, higher than 93% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • crbug.com https://crbug.com/1513170 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CNA 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

  • Google Chrome

Classification

Weakness
Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.