CVE-2016-3621

Publication date 3 October 2016

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

The LZWEncode function in tif_lzw.c in the bmp2tiff tool in LibTIFF 4.0.6 and earlier, when the "-c lzw" option is used, allows remote attackers to cause a denial of service (buffer over-read) via a crafted BMP image.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
tiff	17.10 artful	Not affected
	17.04 zesty	Not affected
	16.10 yakkety	Ignored end of life
	16.04 LTS xenial	Ignored
	15.10 wily	Ignored end of life
	14.04 LTS trusty	Ignored
	12.04 LTS precise	Ignored end of life

Notes

mdeslaur

upstream removed the bmp2tiff utility in 4.0.7 we will not be fixing this minor issue, marking as ignored

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