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Vulnerability record · CVE-2019-9904 · published 21 March 2019

CVE-2019-9904: Graphviz vulnerability

Graphviz · Graphviz

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.

6.5 CVSS 3.1 Medium EPSS 2.7% · top 14.6% CWE-674 · CWE-674
6.5CVSS 3.1 base score, v2 4.3
2.7%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References, 4 tagged exploit
17 Jun 2026Last modified by NVD

Description

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://gitlab.com/graphviz/graphviz/issues/1512 ExploitIssue TrackingThird Party Advisory
https://research.loginsoft.com/bugs/stack-buffer-overflow-in-function-agclose-graphviz/ ExploitThird Party Advisory
https://security.gentoo.org/glsa/202107-04 Third Party Advisory
https://gitlab.com/graphviz/graphviz/issues/1512 ExploitIssue TrackingThird Party Advisory
https://research.loginsoft.com/bugs/stack-buffer-overflow-in-function-agclose-graphviz/ ExploitThird Party Advisory
https://security.gentoo.org/glsa/202107-04 Third Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2014-1236Graphviz memory buffer overflow vulnerabilityStack-based buffer overflow in the chkNum function in lib/cgraph/scan.l in Graphviz 2.34.0 allows remote attackers to have unspecified impact via vec…EPSS 6.1%9.3CVE-2014-0978Graphviz memory buffer overflow vulnerabilityStack-based buffer overflow in the yyerror function in lib/cgraph/scan.l in Graphviz 2.34.0 allows remote attackers to have unspecified impact via a …EPSS 4.9%8.8CVE-2019-11023Graphviz null pointer dereference vulnerabilityThe agroot() function in cgraph\obj.c in libcgraph.a in Graphviz 2.39.20160612.1140 has a NULL pointer dereference, as demonstrated by graphml2gv.EPSS 4.9%8.5CVE-2008-4555Graphviz memory buffer overflow vulnerabilityStack-based buffer overflow in the push_subg function in parser.y (lib/graph/parser.c) in Graphviz 2.20.2, and possibly earlier versions, allows user…EPSS 5.1%7.8CVE-2023-46045Graphviz out-of-bounds read vulnerabilityGraphviz 2.36.0 through 9.x before 10.0.1 has an out-of-bounds read via a crafted config6a file. NOTE: exploitability may be uncommon because this fi…EPSS 0.81%7.8CVE-2020-18032Graphviz classic buffer overflow vulnerabilityBuffer Overflow in Graphviz Graph Visualization Tools from commit ID f8b9e035 and earlier allows remote attackers to execute arbitrary code or cause …EPSS 2.6%7.8CVE-2014-1235Graphviz memory buffer overflow vulnerabilityStack-based buffer overflow in the "yyerror" function in Graphviz 2.34.0 allows remote attackers to execute arbitrary code or cause a denial of servi…EPSS 2.9%7.5CVE-2014-9157Debian linux vulnerabilityFormat string vulnerability in the yyerror function in lib/cgraph/scan.l in Graphviz allows remote attackers to have unspecified impact via format st…EPSS 5.6%

Source: NIST National Vulnerability Database (record CVE-2019-9904), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.