IRONSMITHINTEL
CRITICALCVSS9.6
|
Actively Exploited
|CISA KEV|CVE-2023-2136|Auth: none — unauthenticated|Reboot: required|Manual only

Google Chrome Skia Integer Overflow Vulnerability

Google Chromium Skia contains an integer overflow vulnerability that allows a remote attacker, who has compromised the renderer process, to potentially perform a sandbox escape via a crafted HTML page. This vulnerability affects Google Chrome and ChromeOS, Android, Flutter, and possibly other products.

Published Apr 19, 2023 · Updated May 16, 2026
Why patchRisk explained in plain English
Worst-case scenarioIf unpatched

A remote attacker, without authentication, can achieve full data confidentiality loss, arbitrary modification of data, complete denial of service or system unavailability. Federal agencies are required to remediate by 2023-05-12 under CISA BOD 22-01.

How the attack worksNo clicks needed

This is a Integer Overflow (CWE-190) vulnerability in Google Chromium Skia. Integer overflow in Skia in Google Chrome prior to 112.0.5615.137 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High) Exploitation requires remote network access, low attack complexity, no authentication required, and user interaction required.

📧

Phishing link

🖼

Malicious file

🔓

Server compromised

Am I affected?Quick check

Probably yes if any of these apply:

IT Security
Running chrome: v < 112.0.5615.137; debian linux: 11.0; fedora: 36, 37, 38
Real-world incidentsWhat we've seen

CISA added this CVE to the Known Exploited Vulnerabilities catalog on 2023-04-21 based on evidence of active exploitation in the wild. Federal agencies required to remediate by 2023-05-12.

How to patch

Manual remediation steps

Apply the Vendor Patch

This vulnerability is in the CISA Known Exploited Vulnerabilities catalog — apply the vendor's security update as soon as possible.

CISA required action: Apply updates per vendor instructions.

References

    1
    Vendor advisory: https://chromereleases.googleblog.com/2023/04/stable-channel-update-for-desktop_18.html
    1
    NVD entry: https://nvd.nist.gov/vuln/detail/CVE-2023-2136
    1
    CISA KEV: https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-2136
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