An issue was discovered in lib\cdt\dttree.c in libcdt.a in graphviz 2.40.1.
Priority LOW 34CWE-674Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Deferred Red Hat: fix deferred
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-674.
Summary
An issue was discovered in lib\cdt\dttree.c in libcdt.a in graphviz 2.40.1. Stack consumption occurs because of recursive agclose calls in lib\cgraph\graph.c in libcgraph.a, related to agfstsubg in lib\cgraph\subg.c.
Why it matters now
EPSS 0.02688 85th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix Deferred Red Hat: fix deferred
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Will not fix |
| Red Hat Enterprise Linux 7 | Affected | No fix yet: Fix deferred |
| Red Hat Enterprise Linux 8 | Affected | No fix yet: Fix deferred |
Timeline
- 2026-10-02 Threatist record created from CVE-2019-9904
- 2026-10-03 Alias added: GHSA-wqh3-2wqg-rq54
References
More Graphviz vulnerabilities
- TI-2023-24707 Graphviz 2.36.0 through 9.x before 10.0.1 has an out-of-bounds read via a crafted… CVSS 3.1HIGH 7.8
- TI-2014-00940 Stack-based buffer overflow in the chkNum function in lib/cgraph/scan.l in Graphviz… CVSS 2.0HIGH 10.0
- TI-2014-00896 Stack-based buffer overflow in the yyerror function in lib/cgraph/scan.l in Graphviz… CVSS 2.0HIGH 9.3
- TI-2019-08239 The agroot() function in cgraph\obj.c in libcgraph.a in Graphviz 2.39.20160612.1140 has a… CVSS 3.0HIGH 8.8
- TI-2008-04345 Stack-based buffer overflow in the push_subg function in parser.y (lib/graph/parser.c) in… CVSS 2.0HIGH 8.5
- TI-2014-07431 Format string vulnerability in the yyerror function in lib/cgraph/scan.l in Graphviz… CVSS 2.0HIGH 7.5
Sources
- CVE-2019-9904 · CVE Program
- CVE-2019-9904 · NVD
- FIRST EPSS
- GHSA-wqh3-2wqg-rq54 · GitHub Advisory Database · CC BY 4.0
- CVE-2019-9904 · Red Hat security data · CC BY 4.0
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