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Vulnerability record · CVE-2008-4555 · published 14 October 2008

CVE-2008-4555: Graphviz memory buffer overflow vulnerability

Graphviz · Graphviz

Stack-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-assisted remote attackers to cause a denial of service (memory corruption) or execute arbitrary code via a DOT file with a large number of Agraph_t elements.

8.5 CVSS 2.0 High EPSS 5.1% · top 8.0% CWE-119 · Memory buffer overflow
8.5CVSS 2.0 base score
5.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
20References, 2 tagged exploit
16 Jun 2026Last modified by NVD

Description

Stack-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-assisted remote attackers to cause a denial of service (memory corruption) or execute arbitrary code via a DOT file with a large number of Agraph_t elements.

AV:N/AC:M/Au:S/C:C/I:C/A:C

Affected products

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

References

LinkTags
http://bugs.gentoo.org/show_bug.cgi?id=240636
http://lists.opensuse.org/opensuse-security-announce/2008-10/msg00012.html
http://roeehay.blogspot.com/2008/10/graphviz-buffer-overflow-code-execution.html Exploit
http://secunia.com/advisories/32186 Vendor Advisory
http://secunia.com/advisories/32656
http://security.gentoo.org/glsa/glsa-200811-04.xml
http://securityreason.com/securityalert/4409
http://www.securityfocus.com/archive/1/497150/100/0/threaded
http://www.securityfocus.com/bid/31648 Patch
https://exchange.xforce.ibmcloud.com/vulnerabilities/45765
http://bugs.gentoo.org/show_bug.cgi?id=240636
http://lists.opensuse.org/opensuse-security-announce/2008-10/msg00012.html
http://roeehay.blogspot.com/2008/10/graphviz-buffer-overflow-code-execution.html Exploit
http://secunia.com/advisories/32186 Vendor Advisory
http://secunia.com/advisories/32656
http://security.gentoo.org/glsa/glsa-200811-04.xml
http://securityreason.com/securityalert/4409
http://www.securityfocus.com/archive/1/497150/100/0/threaded
http://www.securityfocus.com/bid/31648 Patch
https://exchange.xforce.ibmcloud.com/vulnerabilities/45765

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Related vulnerabilities

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

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Source: NIST National Vulnerability Database (record CVE-2008-4555), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.