CVE-2016-7978

Publication date 6 October 2016

Last updated 24 July 2024

Ubuntu priority

Cvss 3 Severity Score

Use-after-free vulnerability in Ghostscript 9.20 might allow remote attackers to execute arbitrary code via vectors related to a reference leak in .setdevice.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
ghostscript	16.10 yakkety	Fixed 9.19~dfsg+1-0ubuntu6.2
	16.04 LTS xenial	Fixed 9.18~dfsg~0-0ubuntu2.2
	14.04 LTS trusty	Fixed 9.10~dfsg-0ubuntu10.5
	12.04 LTS precise	Fixed 9.05~dfsg-0ubuntu4.4

Notes

sbeattie

reproducer in ghostscript bug report

Patch details

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

Package	Patch details
ghostscript	Upstream: http://git.ghostscript.com/?p=user/chrisl/ghostpdl.git;h=d5ad1e0298e1c193087c824eb4f79628b182e28b

Severity score breakdown

Parameter	Value
Base score	9.8 · Critical
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	High
Integrity impact	High
Availability impact	High
Vector	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

USN-3148-1
Ghostscript vulnerabilities
2 December 2016