CVE-2020-8037

Name: CVE-2020-8037
Creator: NVD / NIST
Published: 2020-11-04T18:15:20.843+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 3.07%

Last modified Jun 17, 2026

CVE-2020-8037 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. The ppp decapsulator in tcpdump 4.9.3 can be convinced to allocate a large amount of memory.. EPSS estimates a 3.07% chance of exploitation in the next 30 days.

Description

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

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

3.07%

86.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-770

Affected Software

Vendor	Product	Versions
Tcpdump	Tcpdump	4.9.3
Debian	Debian Linux	9.0
Fedoraproject	Fedora	32
Fedoraproject	Fedora	33
Apple	Mac Os X	< 10.14.6
Apple	Mac Os X	>= 10.15, < 10.15.7
Apple	Mac Os X	10.14.6
Apple	Mac Os X	10.15.7
Apple	Macos	>= 11.0, < 11.3

References

http://seclists.org/fulldisclosure/2021/Apr/51Mailing List, Third Party Advisory
https://github.com/the-tcpdump-group/tcpdump/commit/32027e199368dad9508965aae8cd8de5b6ab5231Patch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/11/msg00018.htmlMailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/F2MX34MJIUJQGL6CMEPLTKFOOOC3CJ4Z/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LWDBONZVLC6BAOR2KM376DJCM4H3FERV/
https://support.apple.com/kb/HT212325Third Party Advisory
https://support.apple.com/kb/HT212326Third Party Advisory
https://support.apple.com/kb/HT212327Third Party Advisory
http://seclists.org/fulldisclosure/2021/Apr/51Mailing List, Third Party Advisory
https://github.com/the-tcpdump-group/tcpdump/commit/32027e199368dad9508965aae8cd8de5b6ab5231Patch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/11/msg00018.htmlMailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/F2MX34MJIUJQGL6CMEPLTKFOOOC3CJ4Z/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LWDBONZVLC6BAOR2KM376DJCM4H3FERV/
https://support.apple.com/kb/HT212325Third Party Advisory
https://support.apple.com/kb/HT212326Third Party Advisory
https://support.apple.com/kb/HT212327Third Party Advisory

Timeline

Published: Nov 4, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-8037?

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

How severe is CVE-2020-8037?

CVE-2020-8037 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 3.07% probability of exploitation in the next 30 days.

How do I fix CVE-2020-8037?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-8037?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST