CRITICAL SEVERITY

CVE-2017-7376

Libxml2 vulnerability

CVSS
9.8
EPSS
23.7%
EPSS pct
98th
Exploited
No known
Buffer overflow in libxml2 allows remote attackers to execute arbitrary code by leveraging an incorrect limit for port values when handling redirects.
Affected vendor
Xmlsoft
Affected product
Libxml2
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness type (CWE)
  • CWE-119 — Improper Restriction of Operations within Memory Bounds
Published
2018-02-19

Risk analysis

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

Its EPSS score of 23.7% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 98% of all scored CVEs.

Check your external exposure to CVE-2017-7376

  • Confirm whether Xmlsoft Libxml2 is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2017-7376.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2017-7376

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2017-7376 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

Run a free external exposure scan

Are you exposed to CVE-2017-7376?

Run an instant, non-intrusive external scan to check your attack surface for CVE-2017-7376.

Start free scan

No credit card. Agentless.