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TI-2019-08239 Aliases CVE-2019-11023GHSA-5j8x-q537-j965

The agroot() function in cgraph\obj.c in libcgraph.a in Graphviz 2.39.20160612.1140 has a…

Priority MEDIUM 46CWE-476Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
High · High · High
Fix status
Deferred Red Hat: fix deferred

Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-476.

Summary

The agroot() function in cgraph\obj.c in libcgraph.a in Graphviz 2.39.20160612.1140 has a NULL pointer dereference, as demonstrated by graphml2gv.

Why it matters now

EPSS 0.04894 92nd 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

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:graphviz:graphviz:2.39.20160612.1140:*:*:*:*:*:*:*2.39.20160612.1140VulnerableGraphviz
  • cpe:2.3:a:graphviz:graphviz:2.39.20160612.1140:*:*:*:*:*:*:* Versions 2.39.20160612.1140 Vulnerable ·Graphviz

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat rating: Low. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 7AffectedNo fix planned: Will not fix
Red Hat Enterprise Linux 8AffectedNo fix yet: Fix deferred
Not affected: 1 product
  • Red Hat Enterprise Linux 6

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-11023
  2. 2026-10-03 Alias added: GHSA-5j8x-q537-j965

References

Exploit 2

Advisory 6

  • 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-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
  • TI-2020-13300 Buffer Overflow in Graphviz Graph Visualization Tools from commit ID f8b9e035 and earlier… CVSS 3.1HIGH 7.8
See all 10 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences