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Fencer Vulns
high 8.8

CVE-2023-5218 json

Use after free in Site Isolation in Google Chrome prior to 118.0.5993.70 allowed a remote attacker to potentially exploit heap corruption v…

published 2023-10-11 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-57547

cvss
8.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.3%
EPSS 1.3% chance of exploitation in 30 days, percentile 71%
public exploits
0
none known

Summary

Use after free in Site Isolation in Google Chrome prior to 118.0.5993.70 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: Critical)

Patch / fix

  • google chrome 118.0.5993.70
  • chromium Debian 12 118.0.5993.70-1~deb12u1
  • chromium Debian 14, Debian 13 118.0.5993.70-1

debian advisories DEBIAN-CVE-2023-5218

  • chromium openSUSE Tumbleweed 118.0.5993.70-1.1
  • opera openSUSE Leap 15.5 NonFree 104.0.4944.23-lp155.3.15.1
  • opera openSUSE Leap 15.4 NonFree 104.0.4944.23-lp154.2.56.1
  • chromium Package Hub 15 SP5, Package Hub 15 SP4, openSUSE Leap 15.5 +1 more 118.0.5993.70-bp155.2.46.1

opensuse advisories openSUSE-SU-2024:13317-1openSUSE-SU-2024:13335-1openSUSE-SU-2023:0338-1openSUSE-SU-2023:0337-1openSUSE-SU-2023:0300-1

  • qt5-qtwebengine Alpine 3.18 5.15.13-r10
  • qt5-qtwebengine Alpine 3.23, Alpine 3.22, Alpine 3.21 +2 more 5.15.15-r4
  • qt6-qtwebengine Alpine 3.24, Alpine 3.23, Alpine 3.22 +3 more 6.6.0-r1

alpine advisories ALPINE-CVE-2023-5218

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

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
18 mo ago

Exploit prediction

1.35% chance of exploitation in the next 30 days, higher than 71% 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.