CVE-2016-7977: artifex ghostscript
Vulnerability summary
CVE-2016-7977 is a medium (CVSS 5.5) vulnerability in artifex ghostscript. EPSS estimates a 4.57% chance of exploitation in the next 30 days, higher than 91.6% of scored vulnerabilities.
Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 8 · Related 3Timeline
- 23-05-2017PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
Ghostscript before 9.21 might allow remote attackers to bypass the SAFER mode protection mechanism and consequently read arbitrary files via the use of the .libfile operator in a crafted postscript document.
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
EPSS trend
Probability
4.57%
Chance of exploitation in the next 30 days
Percentile
92%
Versus all other CVEs
30-day change
No change 0.00 pp
From 4.57% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: local access, no authentication, user interaction (CVSS vector). Other conditions: not stated in public data.
Artifex1 product
- ghostscript≤ 9.20
Debian1 product
- ghostscript< 9.19~dfsg-3.1
Ubuntu1 product
- ghostscript< 9.10~dfsg-0ubuntu10.5 | < 9.18~dfsg~0-0ubuntu2.2
3 vendors · 3 products
References
16 links- www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.htmlX Refsource CONFIRM