CVE-2020-8037

Publication date 4 November 2020

Last updated 18 August 2025

Ubuntu priority

Low

Why this priority?

Cvss 3 Severity Score

7.5 · High

Score breakdown

Description

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

Status

Package Ubuntu Release Status
tcpdump 25.10 questing
Not affected
25.04 plucky
Not affected
24.10 oracular
Not affected
24.04 LTS noble
Not affected
23.10 mantic
Not affected
23.04 lunar
Not affected
22.10 kinetic
Not affected
22.04 LTS jammy
Not affected
21.10 impish
Not affected
21.04 hirsute
Not affected
20.10 groovy Ignored end of life
20.04 LTS focal
Fixed 4.9.3-4ubuntu0.1
18.04 LTS bionic
Fixed 4.9.3-0ubuntu0.18.04.2
16.04 LTS xenial
Fixed 4.9.3-0ubuntu0.16.04.1+esm1
14.04 LTS trusty
Vulnerable

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Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
tcpdump

Severity score breakdown

Parameter Value
Base score 7.5 · High
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

Other references