CVE-2023-1531: Use after free in ANGLE in Google Chrome prior to 111.0.5563.110 allowed a remote attacker to potentially expl

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HIGH 8.8UPGRADEMITIGATEDOWNGRADE

CVE-2023-1531 is a high-severity flaw (CVSS 8.8) affecting chrome, fedora, chromium. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Use after free in ANGLE in Google Chrome prior to 111.0.5563.110 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)

Why this priority

High severity

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	3.2% (top 12%)
CISA exploited list	No
Weakness	CWE-416
Published	2023-03-21
Last modified	2026-06-17

Publisher (CNA): Chrome · Vendor: chromium · fedoraproject · google

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

Am I affected?

Timeline

2023-03-21 21:15 UTCPublished CVE record published
2026-06-17 05:28 UTCUpdated Record last modified

google chrome UPGRADE

Affected: < 111.0.5563.110

Fixed in: 111.0.5563.110

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 111.0.5563.110 (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.

fedoraproject fedora MITIGATE

Affected: 36 · 37 · 38

Fixed in: no fixed release known

Safe to downgrade to: a release before 36

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.

chromium chromium DOWNGRADE

Affected: 112.0.5592.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 112.0.5592.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 112.0.5592.0 (Debian / Ubuntu)

apt-cache madison chromium sudo apt install chromium=<VERSION_BEFORE_112.0.5592.0> sudo apt-mark hold chromium

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list chromium sudo dnf downgrade chromium-<VERSION_BEFORE_112.0.5592.0> sudo dnf versionlock add chromium

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · 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-2023-1531?

chrome: upgrade to 111.0.5563.110; fedora: mitigate or apply the listed mitigation; chromium: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2023-1531 being exploited?

CVE-2023-1531 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2023-1531 affect?

CVE-2023-1531 affects chrome, fedora, chromium. Severity is high (CVSS 8.8). Use after free in ANGLE in Google Chrome prior to 111.0.5563.110 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)

How urgent is CVE-2023-1531?

Priority 53/100. High severity

Software pages

Google Chrome vulnerabilities · Chromium vulnerabilities

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References

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