THREATPORT/VULNERABILITY/CVE-2008-4555
HIGH SEVERITY

CVE-2008-4555

Graphviz vulnerability

CVSS
8.5
EPSS
5.1%
EPSS pct
91th
Exploited
No known
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.
Affected vendor
Graphviz
Affected product
Graphviz
CVSS vector
AV:N/AC:M/Au:S/C:C/I:C/A:C
Weakness type (CWE)
  • CWE-119 — Improper Restriction of Operations within Memory Bounds
Published
2008-10-14

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, medium attack complexity, requiring single-factor authentication. Successful exploitation leads to complete impact to confidentiality, complete impact to integrity, complete impact to availability.

Its EPSS score of 5.1% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 91% of all scored CVEs.

Check your external exposure to CVE-2008-4555

  • Confirm whether Graphviz Graphviz is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2008-4555.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2008-4555

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2008-4555 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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