CVE-2017-8400

Publication date 1 May 2017

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

In SWFTools 0.9.2, an out-of-bounds write of heap data can occur in the function png_load() in lib/png.c:755. This issue can be triggered by a malformed PNG file that is mishandled by png2swf. Attackers could exploit this issue for DoS; it might cause arbitrary code execution.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
swftools	19.04 disco	Not affected
	18.10 cosmic	Not affected
	18.04 LTS bionic	Not affected
	17.10 artful	Not affected
	17.04 zesty	Ignored end of life
	16.10 yakkety	Ignored end of life
	16.04 LTS xenial	Fixed 0.9.2+git20130725-4.1~build0.16.04.1
	14.04 LTS trusty	Not in release
	12.04 LTS precise	Not in release

Patch details

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

Package	Patch details
swftools	Upstream: 7139f3c

Severity score breakdown

CVSS version: CVSS v3.0

Base score 8.8 · High

Base metrics

Parameter	Value
Attack vector	Network
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	8.8 · High
Exploitability score	-
Impact score	-

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