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    CVE-2008-4555

    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.

    Published:Oct 8, 2008
    Last Modified:Apr 23, 2026
    EPS:Oct 14, 2008
    EPSS Score:0.05229
    CVSS Score:8.5

    Affected Products

    Vendor
    Graphviz
    Product
    Graphviz

    Exploits

    http://roeehay.blogspot.com/2008/10/graphviz-buffer-overflow-code-execution.htmlhttp://roeehay.blogspot.com/2008/10/graphviz-buffer-overflow-code-execution.html

    Related CVEs

    CVE-2023-46045 (CVSS 7.8) — Graphviz 2.36.0 through 9.x before 10.0.1 has an out-of-bounds read via a crafted config6a file. NOTE: exploit…
    CVE-2020-18032 (CVSS 7.8) — Buffer Overflow in Graphviz Graph Visualization Tools from commit ID f8b9e035 and earlier allows remote attack…
    CVE-2019-11023 (CVSS 8.8) — The agroot() function in cgraph\obj.c in libcgraph.a in Graphviz 2.39.20160612.1140 has a NULL pointer derefer…
    CVE-2019-9904 (CVSS 6.5) — An issue was discovered in lib\cdt\dttree.c in libcdt.a in graphviz 2.40.1. Stack consumption occurs because o…
    CVE-2018-10196 (CVSS 5.5) — NULL pointer dereference vulnerability in the rebuild_vlists function in lib/dotgen/conc.c in the dotgen libra…
    CVE-2014-9157 (CVSS 7.5) — Format string vulnerability in the yyerror function in lib/cgraph/scan.l in Graphviz allows remote attackers t…
    CVE-2014-1235 (CVSS 7.8) — Stack-based buffer overflow in the "yyerror" function in Graphviz 2.34.0 allows remote attackers to execute ar…
    CVE-2014-1236 (CVSS 10) — Stack-based buffer overflow in the chkNum function in lib/cgraph/scan.l in Graphviz 2.34.0 allows remote attac…
    CVE-2014-0978 (CVSS 9.3) — Stack-based buffer overflow in the yyerror function in lib/cgraph/scan.l in Graphviz 2.34.0 allows remote atta…
    CVE-2005-4803 (CVSS 3.6) — graphviz before 2.2.1 allows local users to overwrite arbitrary files via a symlink attack on temporary files.…

    References

    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
    http://secunia.com/advisories/32186
    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
    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
    http://secunia.com/advisories/32186
    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
    https://exchange.xforce.ibmcloud.com/vulnerabilities/45765

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High