Integer overflow in Artifex Ghostscript
CVE-2017-9835
The gs_alloc_ref_array function in psi/ialloc.c in Artifex Ghostscript 9.21 allows remote attackers to cause a denial of service (heap-based buffer overflow and application crash) or possibly have unspecified other impact via a crafted PostScript document. This is related to a lack of an integer overflow check in base/gsalloc.c.
Vulnerability class: Integer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.027 (85.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 85th percentile — 85.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.027 · newest: 0.027 · change: 0.000
Affected products
- Artifex Ghostscript — versions 9.21
- Debian Linux — versions 8.0, 9.0
Weakness classification (CWE)
References
- security.gentoo.org/glsa/201811-12 (vendor-advisory, Third Party Advisory)
- bugs.ghostscript.com/show_bug.cgi (Exploit, Third Party Advisory, Issue Tracking)
- www.debian.org/security/2017/dsa-3986 (vendor-advisory, Third Party Advisory)
- www.securityfocus.com/bid/99991 (VDB Entry, Third Party Advisory, vdb-entry)
- git.ghostscript.com/
Frequently asked questions
- What is CVE-2017-9835?
- CVE-2017-9835 is a high-severity vulnerability in Artifex Ghostscript, classified under Integer Overflow or Wraparound. CVSS score: 7.8/10. Published 2017-07-26.
- How severe is CVE-2017-9835?
- High severity. CVSS v3 base score is 7.8 out of 10.