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Fencer Vulns
high 8.8

CVE-2023-5187 json

Use after free in Extensions in Google Chrome prior to 117.0.5938.132 allowed an attacker who convinced a user to install a malicious exten…

published 2023-09-28 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-57524

cvss
8.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.8%
EPSS 0.8% chance of exploitation in 30 days, percentile 57%
public exploits
0
none known

Summary

Use after free in Extensions in Google Chrome prior to 117.0.5938.132 allowed an attacker who convinced a user to install a malicious extension to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)

Patch / fix

  • google chrome 117.0.5938.132
  • chromium Debian 12 117.0.5938.132-1~deb12u1
  • chromium Debian 14, Debian 13 117.0.5938.132-1

debian advisories DEBIAN-CVE-2023-5187

  • chromium openSUSE Tumbleweed 117.0.5938.132-1.1
  • opera openSUSE Leap 15.4 NonFree 103.0.4928.16-lp154.2.53.1
  • opera openSUSE Leap 15.5 NonFree 103.0.4928.16-lp155.3.12.1
  • chromium Package Hub 15 SP5, Package Hub 15 SP4, openSUSE Leap 15.5 +1 more 117.0.5938.132-bp155.2.40.1

opensuse advisories openSUSE-SU-2024:13269-1openSUSE-SU-2024:13276-1openSUSE-SU-2023:0298-1openSUSE-SU-2023:0297-1openSUSE-SU-2023:0277-1

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-2023-5187 updated cvss 8.8

chromium-browser: Use after free in Extensions

  • 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

Exploit prediction

0.81% chance of exploitation in the next 30 days, higher than 57% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 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.