CVE-2018-16402

Publication date 3 September 2018

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

libelf/elf_end.c in elfutils 0.173 allows remote attackers to cause a denial of service (double free and application crash) or possibly have unspecified other impact because it tries to decompress twice.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
elfutils	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	Not affected
	20.04 LTS focal	Not affected
	19.10 eoan	Not affected
	19.04 disco	Not affected
	18.10 cosmic	Fixed 0.170-0.5.0ubuntu1.1
	18.04 LTS bionic	Fixed 0.170-0.4ubuntu0.1
	16.04 LTS xenial	Fixed 0.165-3ubuntu1.2
	14.04 LTS trusty	Not affected

Notes

ccdm94

the vulnerable code was introduced with commit 272018bb (0.165).

Patch details

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

Package	Patch details
elfutils	Upstream: https://sourceware.org/git/?p=elfutils.git;a=commit;h=56b18521fb8d46d40fc090c0de9d11a08bc982fa

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