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

Parameter	Value
Base score	7.8 · High
Attack vector	Local
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Unchanged
Confidentiality	High
Integrity impact	High
Availability impact	High
Vector	CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H