Security readout for executives and security teams
Plain-English summary
CVE-2020-16298 is a Ghostscript denial-of-service issue. A malicious PDF could trigger a buffer overflow and crash vulnerable Ghostscript processing. The sources identify Ghostscript v9.50 as affected and v9.51 as fixed, with Linux vendor advisories providing updates.
Executive priority
Prioritize remediation for internet-facing or customer-supplied PDF processing services because the likely business impact is service disruption. Lower priority may be reasonable for isolated systems that never process untrusted PDFs.
Technical view
The flaw is a buffer overflow in mj_color_correct() in contrib/japanese/gdevmjc.c of Artifex Ghostscript v9.50. The described attack vector is a crafted PDF file, and the documented impact is denial of service. The source bundle provides no CVSS score, CWE, or evidence of code execution.
Likely exposure
Exposure is most likely where Ghostscript v9.50, or unpatched distro packages derived from it, processes PDFs from external or untrusted sources. Automated document conversion, preview, printing, or upload pipelines should be checked first.
Exploitation context
The CVE description says a remote attacker can cause denial of service via a crafted PDF. KEV is false, and the provided sources do not state active exploitation. Treat exploit status as unconfirmed beyond the public vulnerability disclosure.
Researcher notes
Evidence is limited to a denial-of-service buffer overflow fixed in v9.51 and downstream distro advisories. The bundle does not provide CVSS, CWE mapping, exploit maturity, or broader affected-version ranges beyond v9.50.
Mitigation direction
- Upgrade Ghostscript to v9.51 or the fixed package from your OS vendor.
- Apply Debian DSA-4748/DLA-2335-1, Gentoo GLSA-202008-20, or Ubuntu USN-4469-1 where applicable.
- Restrict untrusted PDF processing until patched.
- Check vendor guidance for packaged builds that may backport the fix without version 9.51.
Validation and detection
- Inventory hosts, containers, and services that invoke Ghostscript or ghostscript packages.
- Check installed Ghostscript version or package changelog for the CVE-2020-16298 fix.
- Review PDF processing workflows for untrusted external submissions.
- Confirm patched systems still process expected documents without service crashes.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2020-16298 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://bugs.ghostscript.com/show_bug.cgi?id=701799CVE reference · x_refsource_MISC
- https://git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=849e74e5ab450dd581942192da7101e0664fa5afCVE reference · x_refsource_MISC
- [debian-lts-announce] 20200820 [SECURITY] [DLA 2335-1] ghostscript security updateCVE reference · mailing-list, x_refsource_MLIST
- DSA-4748CVE reference · vendor-advisory, x_refsource_DEBIAN
- GLSA-202008-20CVE reference · vendor-advisory, x_refsource_GENTOO
- USN-4469-1CVE reference · vendor-advisory, x_refsource_UBUNTU
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.