THREATPORT/VULNERABILITY/CVE-2008-5017
HIGH SEVERITY

CVE-2008-5017

Firefox vulnerability

CVSS
10.0
EPSS
3.8%
EPSS pct
89th
Exploited
No known
Integer overflow in xpcom/io/nsEscape.cpp in the browser engine in Mozilla Firefox 3.x before 3.0.4, Firefox 2.x before 2.0.0.18, Thunderbird 2.x before 2.0.0.18, and SeaMonkey 1.x before 1.1.13 allows remote attackers to cause a denial of service (crash) via unknown vectors.
Affected vendor
Mozilla
Affected product
Firefox
CVSS vector
AV:N/AC:L/Au:N/C:C/I:C/A:C
Weakness type (CWE)
Published
2008-11-13

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no authentication. Successful exploitation leads to complete impact to confidentiality, complete impact to integrity, complete impact to availability.

Its EPSS score of 3.8% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 89% of all scored CVEs.

Check your external exposure to CVE-2008-5017

  • Confirm whether Mozilla Firefox is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2008-5017.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2008-5017

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2008-5017 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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