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

Google Chrome Skia Integer Overflow Vulnerability (CVE-2023-2136)

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 29, 2026
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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

Get the fix

Apply the fixed package from your vendor. The advisory lists affected versions and the exact fixed build.

Vendor advisory

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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