CVE-2018-6381

Publication date 29 January 2018

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

In ZZIPlib 0.13.67, 0.13.66, 0.13.65, 0.13.64, 0.13.63, 0.13.62, 0.13.61, 0.13.60, 0.13.59, 0.13.58, 0.13.57 and 0.13.56 there is a segmentation fault caused by invalid memory access in the zzip_disk_fread function (zzip/mmapped.c) because the size variable is not validated against the amount of file->stored data.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
zziplib	18.04 LTS bionic	Fixed 0.13.62-3.1ubuntu0.18.04.1
	17.10 artful	Fixed 0.13.62-3.1ubuntu0.17.10.1
	16.04 LTS xenial	Fixed 0.13.62-3ubuntu0.16.04.2
	14.04 LTS trusty	Fixed 0.13.62-2ubuntu0.2

Patch details

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

Package	Patch details
zziplib	Upstream: a803559

Severity score breakdown

CVSS version: CVSS v3.0

Base score 6.5 · Medium

Base metrics

Parameter	Value
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Unchanged
Confidentiality impact	None
Integrity impact	None
Availability impact	High

Scores

Parameter	Value
Base score	6.5 · Medium
Exploitability score	-
Impact score	-

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

USN-3699-1
zziplib vulnerabilities
3 July 2018

Other references

https://www.cve.org/CVERecord?id=CVE-2018-6381