CVE-2017-11543

Publication date 22 July 2017

Last updated 25 August 2025

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

9.8 · Critical

Score breakdown

Description

tcpdump 4.9.0 has a buffer overflow in the sliplink_print function in print-sl.c.

Status

Package Ubuntu Release Status
tcpdump 17.04 zesty
Fixed 4.9.2-0ubuntu0.17.04.2
16.04 LTS xenial
Fixed 4.9.2-0ubuntu0.16.04.1
14.04 LTS trusty
Fixed 4.9.2-0ubuntu0.14.04.1

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 9.8 · Critical
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

    • USN-3415-2
    • tcpdump vulnerabilities
    • 14 September 2017
    • USN-3415-1
    • tcpdump vulnerabilities
    • 14 September 2017

Other references