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CVE-2017-9620

Publication date 26 July 2017

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

7.8 · High

Score breakdown

The xps_select_font_encoding function in xps/xpsfont.c in Artifex Ghostscript GhostXPS 9.21 allows remote attackers to cause a denial of service (heap-based buffer over-read and application crash) or possibly have unspecified other impact via a crafted document, related to the xps_encode_font_char_imp function.

Read the notes from the security team

Status

Package Ubuntu Release Status
ghostscript 17.04 zesty
Not affected
16.04 LTS xenial
Not affected
14.04 LTS trusty Not in release

Notes

seth-arnold

Doublecheck if this breaks ABI (might be harmless)

leosilva

trusty and xenial hasn't xps code, so aren't affected zesty and artful aren't affected, xps code is not compiled

Patch details

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

Package Patch details
ghostscript

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