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Fencer Vulns
high 8.8

CVE-2020-16015 json

Insufficient data validation in WASM in Google Chrome prior to 87.0.4280.66 allowed a remote attacker to potentially exploit heap corruptio…

published 2021-01-08 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-7983

cvss
8.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.1%
EPSS 1.1% chance of exploitation in 30 days, percentile 66%
public exploits
0
none known

Summary

Insufficient data validation in WASM in Google Chrome prior to 87.0.4280.66 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Patch / fix

  • Google Chrome 87.0.4280.66
  • chromium Debian 14, Debian 13, Debian 12 87.0.4280.88-0.1

debian advisories DEBIAN-CVE-2020-16015

  • chromium-browser Ubuntu 16.04 LTS 87.0.4280.66-0ubuntu0.16.04.1
  • chromium-browser Ubuntu 18.04 LTS 87.0.4280.66-0ubuntu0.18.04.1

ubuntu advisories UBUNTU-CVE-2020-16015

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 93.0.4577.82-1.1
  • chromium openSUSE Tumbleweed 113.0.5672.92-1.1
  • chromium Package Hub 15 SP1 87.0.4280.66-bp151.3.137.1
  • chromium openSUSE Leap 15.1 87.0.4280.66-lp151.2.156.1
  • chromium Package Hub 15 SP2 87.0.4280.66-bp152.2.38.1
  • chromium openSUSE Leap 15.2 87.0.4280.66-lp152.2.51.1
  • chromium Package Hub 15 SP2 87.0.4280.66-bp152.2.32.1
  • chromium Package Hub 15 SP1 87.0.4280.66-bp151.3.131.1

opensuse advisories openSUSE-SU-2024:10681-1openSUSE-SU-2024:12948-1openSUSE-SU-2020:2055-1openSUSE-SU-2020:2032-1openSUSE-SU-2020:2026-1openSUSE-SU-2020:2021-1

  • chromium Arch Linux 87.0.4280.66-1

arch linux advisories AVG-1277

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-2020-16015 updated cvss 8.8

chromium-browser: Insufficient data validation in WASM

  • Red Hat Enterprise Linux 6 chromium-browser
    affected: no fix planned “Will not fix”

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

1.14% chance of exploitation in the next 30 days, higher than 66% 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
NVD 2.0 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P

Affected products

  • Google Chrome

Classification

Weakness
  • CWE-20 Improper Input Validation
  • CWE-787 Out-of-bounds Write
  • CWE-843 Access of Resource Using Incompatible Type
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.