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Fencer Vulns
high 8.8

CVE-2023-6705 json

Use after free in WebRTC in Google Chrome prior to 120.0.6099.109 allowed a remote attacker to potentially exploit heap corruption via a cr…

published 2023-12-14 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-58926

cvss
8.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.7%
EPSS 0.7% chance of exploitation in 30 days, percentile 52%
public exploits
0
none known

Summary

Use after free in WebRTC in Google Chrome prior to 120.0.6099.109 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)

Patch / fix

  • google chrome 120.0.6099.109
  • chromium Debian 12 120.0.6099.109-1~deb12u1
  • chromium Debian 14, Debian 13 120.0.6099.109-1

debian advisories DEBIAN-CVE-2023-6705

  • 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-2024:13583-1openSUSE-SU-2024:13585-1openSUSE-SU-2024:0020-1openSUSE-SU-2024:0002-1openSUSE-SU-2024:0001-1

  • qt6-qtwebengine Alpine 3.24, Alpine 3.23, Alpine 3.22 +3 more 6.6.1-r3

alpine advisories ALPINE-CVE-2023-6705

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-2023-6705 updated cvss 8.8

chromium-browser: Use after free 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

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
2 y ago

Exploit prediction

0.67% chance of exploitation in the next 30 days, higher than 52% 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.