CVE-2016-3945

Publication date 21 September 2016

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

Multiple integer overflows in the (1) cvt_by_strip and (2) cvt_by_tile functions in the tiff2rgba tool in LibTIFF 4.0.6 and earlier, when -b mode is enabled, allow remote attackers to cause a denial of service (crash) or execute arbitrary code via a crafted TIFF image, which triggers an out-of-bounds write.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
tiff	17.04 zesty	Not affected
	16.10 yakkety	Fixed 4.0.6-2ubuntu0.1
	16.04 LTS xenial	Fixed 4.0.6-1ubuntu0.1
	15.10 wily	Ignored end of life
	14.04 LTS trusty	Fixed 4.0.3-7ubuntu0.6
	12.04 LTS precise	Ignored end of life

Notes

mdeslaur

RHEL patch is incorrect, see upstream bug

Patch details

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

Package	Patch details
tiff	Vendor: https://git.centos.org/blob/rpms!libtiff.git/1ad9335dc0c1325262c62842eda01476243ec821/SOURCES!libtiff-CVE-2016-3945.patch Upstream: 7c39352

Severity score breakdown

CVSS version: CVSS v3.0

Base score 7.8 · High

Base metrics

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

Scores

Parameter	Value
Base score	7.8 · High
Exploitability score	-
Impact score	-

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

References

Related Ubuntu Security Notices (USN)

USN-3212-4
LibTIFF vulnerabilities
7 August 2017

USN-3212-1
LibTIFF vulnerabilities
27 February 2017