← Vulnerability feed

Vulnerability record · CVE-2014-1236 · published 10 January 2014

CVE-2014-1236: Graphviz memory buffer overflow vulnerability

Graphviz · Graphviz

Stack-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 vectors related to a "badly formed number" and a "long digit list."

10.0 CVSS 2.0 High EPSS 6.1% · top 6.8% CWE-119 · Memory buffer overflow
10.0CVSS 2.0 base score
6.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
24References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

Stack-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 vectors related to a "badly formed number" and a "long digit list."

AV:N/AC:L/Au:N/C:C/I:C/A:C

Affected products

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

References

LinkTags
http://osvdb.org/101851
http://seclists.org/oss-sec/2014/q1/46
http://seclists.org/oss-sec/2014/q1/51
http://seclists.org/oss-sec/2014/q1/54
http://secunia.com/advisories/55666 Vendor Advisory
http://secunia.com/advisories/56244
http://www.debian.org/security/2014/dsa-2843
http://www.mandriva.com/security/advisories?name=MDVSA-2014:024
http://www.securityfocus.com/bid/64737
https://bugzilla.redhat.com/show_bug.cgi?id=1050872
https://github.com/ellson/graphviz/commit/1d1bdec6318746f6f19f245db589eddc887ae8ff ExploitPatch
https://security.gentoo.org/glsa/201702-06
http://osvdb.org/101851
http://seclists.org/oss-sec/2014/q1/46
http://seclists.org/oss-sec/2014/q1/51
http://seclists.org/oss-sec/2014/q1/54
http://secunia.com/advisories/55666 Vendor Advisory
http://secunia.com/advisories/56244
http://www.debian.org/security/2014/dsa-2843
http://www.mandriva.com/security/advisories?name=MDVSA-2014:024
http://www.securityfocus.com/bid/64737
https://bugzilla.redhat.com/show_bug.cgi?id=1050872
https://github.com/ellson/graphviz/commit/1d1bdec6318746f6f19f245db589eddc887ae8ff ExploitPatch
https://security.gentoo.org/glsa/201702-06

Track CVE-2014-1236 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

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

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%6.5CVE-2019-9904Graphviz vulnerabilityAn 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…EPSS 2.7%

Source: NIST National Vulnerability Database (record CVE-2014-1236), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.