CVE-2016-2335

Publication date 7 June 2016

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

The CInArchive::ReadFileItem method in Archive/Udf/UdfIn.cpp in 7zip 9.20 and 15.05 beta and p7zip allows remote attackers to cause a denial of service (out-of-bounds read) or execute arbitrary code via the PartitionRef field in the Long Allocation Descriptor in a UDF file.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
p7zip	18.10 cosmic	Not affected
	18.04 LTS bionic	Not affected
	17.10 artful	Not affected
	17.04 zesty	Not affected
	16.10 yakkety	Not affected
	16.04 LTS xenial	Fixed 9.20.1~dfsg.1-4.2ubuntu0.1
	15.10 wily	Ignored end of life
	14.04 LTS trusty	Fixed 9.20.1~dfsg.1-4+deb7u2build0.14.04.1
	12.04 LTS precise	Fixed 9.20.1~dfsg.1-4+deb7u2build0.12.04.1

Severity score breakdown

Parameter	Value
Base score	8.8 · High
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Unchanged
Confidentiality	High
Integrity impact	High
Availability impact	High
Vector	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

USN-3913-1
P7ZIP vulnerabilities
21 March 2019