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Fencer Vulns
high 8.8

CVE-2023-0471 json

Use after free in WebTransport in Google Chrome prior to 109.0.5414.119 allowed a remote attacker to potentially exploit heap corruption vi…

published 2023-01-24 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-12524

cvss
8.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.8%
EPSS 0.8% chance of exploitation in 30 days, percentile 55%
public exploits
0
none known

Summary

Use after free in WebTransport in Google Chrome prior to 109.0.5414.119 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)

Patch / fix

  • Google Chrome 109.0.5414.119
  • chromium Debian 14, Debian 13, Debian 12 109.0.5414.119-1

debian advisories DEBIAN-CVE-2023-0471

  • chromium-browser Ubuntu 18.04 LTS 110.0.5481.100-0ubuntu0.18.04.1

ubuntu advisories UBUNTU-CVE-2023-0471

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • chromium openSUSE Tumbleweed 109.0.5414.119-1.1
  • nodejs-electron openSUSE Tumbleweed 22.2.0-1.1
  • chromium openSUSE Tumbleweed 113.0.5672.92-1.1
  • opera openSUSE Leap 15.5 NonFree 99.0.4788.13-lp155.3.6.1
  • opera openSUSE Leap 15.4 NonFree 95.0.4635.25-lp154.2.38.1
  • chromium Package Hub 15 SP4, openSUSE Leap 15.4 109.0.5414.119-bp154.2.64.1

opensuse advisories openSUSE-SU-2024:12642-1openSUSE-SU-2024:12657-1openSUSE-SU-2024:12948-1openSUSE-SU-2023:0115-1openSUSE-SU-2023:0044-1openSUSE-SU-2023:0032-1

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-2023-0471 updated cvss 8.8

chromium-browser: Use after free in WebTransport

  • 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

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
2 y ago

Exploit prediction

0.76% chance of exploitation in the next 30 days, higher than 55% 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

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.