CVE-2019-13720: Google Chrome WebAudio Use-After-Free Vulnerability

Q: How do I fix CVE-2019-13720?

chrome: upgrade to 78.0.3904.87; leap: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Q: Is CVE-2019-13720 being exploited?

Yes. CVE-2019-13720 is on the CISA Known Exploited Vulnerabilities list, so treat it as patch-now.

Q: What does CVE-2019-13720 affect?

CVE-2019-13720 affects chrome, leap. Severity is high (CVSS 8.8). Use after free in WebAudio in Google Chrome prior to 78.0.3904.87 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Q: How urgent is CVE-2019-13720?

Priority 86/100. High severity; EPSS top 1%: very likely to be exploited; Exploited in the wild (CISA KEV); Public exploit reference

Patch now

HIGH 8.8EXPLOITEDUPGRADEMITIGATE

CVE-2019-13720 is a high-severity flaw (CVSS 8.8) affecting chrome, leap, reported as exploited in the wild. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Use after free in WebAudio in Google Chrome prior to 78.0.3904.87 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Why this priority

High severity
EPSS top 1%: very likely to be exploited
Exploited in the wild (CISA KEV)
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	49.4% (top 1%)
CISA exploited list	Yes, fix due 2022-06-13
Weakness	CWE-416
Published	2019-11-25
Last modified	2026-06-17

Publisher (CNA): Chrome · Vendor: google · opensuse

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2019-11-25 15:15 UTCPublished CVE record published
2022-05-23Exploited Added to the CISA Known Exploited Vulnerabilities list
2022-06-13Deadline CISA due date for US federal agencies to patch
2026-06-17 02:17 UTCUpdated Record last modified

google chrome UPGRADE

Affected: < 78.0.3904.87

Fixed in: 78.0.3904.87

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy chrome || rpm -q chrome || chrome --version

2. UPGRADE to 78.0.3904.87 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade chrome

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade chrome

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

opensuse leap MITIGATE

Affected: 15.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 15.1

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Exact fixes by distribution

A distro patch exists: prefer upgrading over downgrading.

Fedora 46 · keepalived · FIXED · 2.4.3-1.fc46 · FEDORA-2026-0c83a077d7 · source

sudo dnf upgrade --advisory=FEDORA-2026-0c83a077d7

Fedora ELN · dracut · FIXED · 111-5.eln159 · FEDORA-2026-982407d9e3 · source

sudo dnf upgrade --advisory=FEDORA-2026-982407d9e3

Debian 12 · chromium · FIXED · 78.0.3904.87-1

sudo apt update && sudo apt install --only-upgrade chromium dpkg --compare-versions "$(dpkg-query -W -f='${Version}' chromium)" ge "78.0.3904.87-1" && echo PATCHED || echo STILL-VULNERABLE

Debian 13 · chromium · FIXED · 78.0.3904.87-1

sudo apt update && sudo apt install --only-upgrade chromium dpkg --compare-versions "$(dpkg-query -W -f='${Version}' chromium)" ge "78.0.3904.87-1" && echo PATCHED || echo STILL-VULNERABLE

RHEL 6 Supplementary · chromium-browser · FIXED · chromium-browser-78.0.3904.87-1.el6_10

sudo dnf upgrade --advisory=RHSA-2019:3775 rpm -q chromium-browser

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

GitHub PoC: cve-2019-13720/cve-2019-13720 (3 stars)
GitHub PoC: ChoKyuWon/CVE-2019-13720
GitHub PoC: bb33bb/CVE-2019-13720
Exploit-DB: Google Chrome 78.0.3904.70 - Remote Code Execution

Verify at the official source NVD · CVE Program · CISA KEV catalog · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2019-13720?

chrome: upgrade to 78.0.3904.87; leap: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2019-13720 being exploited?

Yes. CVE-2019-13720 is on the CISA Known Exploited Vulnerabilities list, so treat it as patch-now.

What does CVE-2019-13720 affect?

CVE-2019-13720 affects chrome, leap. Severity is high (CVSS 8.8). Use after free in WebAudio in Google Chrome prior to 78.0.3904.87 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

How urgent is CVE-2019-13720?

Priority 86/100. High severity; EPSS top 1%: very likely to be exploited; Exploited in the wild (CISA KEV); Public exploit reference

Software pages

Google Chrome vulnerabilities

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References

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