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Fencer Vulns
high 8.8

CVE-2023-4762 kev in the critical feed json

Type Confusion in V8 in Google Chrome prior to 116.0.5845.179 allowed a remote attacker to execute arbitrary code via a crafted HTML page.

published 2023-09-05 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-54609

cvss
8.8
version 3.1, CNA
cisa kev
Exploited
added 2024-02-06
epss
41.4%
EPSS 41.4% chance of exploitation in 30 days, percentile 98%
public exploits
0
none known

Summary

Type Confusion in V8 in Google Chrome prior to 116.0.5845.179 allowed a remote attacker to execute arbitrary code 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 116.0.5845.179
  • microsoft edge_chromium 116.0.1938.76
  • chromium Debian 12 116.0.5845.180-1~deb12u1
  • chromium Debian 14, Debian 13 116.0.5845.180-1

debian advisories DEBIAN-CVE-2023-4762

  • chromium openSUSE Tumbleweed 116.0.5845.179-1.1
  • chromium Package Hub 15 SP5, Package Hub 15 SP4, openSUSE Leap 15.5 +1 more 116.0.5845.179-bp155.2.28.1

opensuse advisories openSUSE-SU-2024:13204-1openSUSE-SU-2024:13232-1openSUSE-SU-2023:0245-1

  • qt5-qtwebengine Alpine 3.18 5.15.13-r8
  • qt5-qtwebengine Alpine 3.23, Alpine 3.22, Alpine 3.21 +2 more 5.15.15-r2

alpine advisories ALPINE-CVE-2023-4762

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-2023-4762 updated cvss 8.8

chromium-browser: Type Confusion in V8

  • 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. Added to CISA KEV
  5. CISA SSVC: exploitation active
  6. CISA patch deadline

Known exploited

Added
2 y ago
Patch by
2024-02-27 (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 V8
CISA name
Google Chromium V8 Type Confusion 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
2023-08-16
Patched
2023-09-05
Details
project zero tracker

CISA SSVC

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

Exploit prediction

41.38% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-08).

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
  • debian debian_linux
  • fedoraproject fedora

Classification

Weakness
  • CWE-843 Access of Resource Using Incompatible Type
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.