THREATPORT/VULNERABILITY/CVE-2019-5435
LOW SEVERITY

CVE-2019-5435

Curl vulnerability

CVSS
3.7
EPSS
4.9%
EPSS pct
91th
Exploited
No known
An integer overflow in curl's URL API results in a buffer overflow in libcurl 7.62.0 to and including 7.64.1.
Affected vendor
Haxx
Affected product
Curl
CVSS vector
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
Weakness type (CWE)
  • CWE-131 — Incorrect Calculation of Buffer Size
  • CWE-190 — Integer Overflow or Wraparound
Published
2019-05-28

Risk analysis

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

Its EPSS score of 4.9% 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-2019-5435

  • Confirm whether Haxx Curl is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2019-5435.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2019-5435

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2019-5435 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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Are you exposed to CVE-2019-5435?

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