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Fencer Vulns
critical 9.6

CVE-2020-6492 in the critical feed json

Use after free in ANGLE in Google Chrome prior to 83.0.4103.97 allowed a remote attacker to potentially perform a sandbox escape via a craf…

published 2021-11-02 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-27642

cvss
9.6
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.7%
EPSS 0.7% chance of exploitation in 30 days, percentile 54%
public exploits
0
none known

Summary

Use after free in ANGLE in Google Chrome prior to 83.0.4103.97 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page.

Patch / fix

  • Google Chrome 83.0.4103.97
  • chromium Debian 14, Debian 13, Debian 12 83.0.4103.106-1

debian advisories DEBIAN-CVE-2020-6492

  • chromium-browser Ubuntu 16.04 LTS 84.0.4147.105-0ubuntu0.16.04.1
  • chromium-browser Ubuntu 18.04 LTS 84.0.4147.105-0ubuntu0.18.04.1

ubuntu advisories UBUNTU-CVE-2020-6492

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

Exploit prediction

0.72% chance of exploitation in the next 30 days, higher than 54% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • crbug.com https://crbug.com/1078375 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 9.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
NVD 2.0 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P

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.