How severe is CVE-2016-10703?

CVE-2016-10703 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2016-10703 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-10703?

CVE-2016-10703 affects Ecstatic Project Ecstatic. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-10703?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2016-10703 published?

CVE-2016-10703 was published on 2017-12-14 and last updated on 2026-06-17.

CVE-2016-10703

CVE-2016-10703 is a high-severity vulnerability in Ecstatic Project Ecstatic with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 7.8
EPSS exploit prediction: 3% (83rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Ecstatic Project Ecstatic
Published: 2017-12-14
Last modified: 2026-06-17

Description

A regular expression Denial of Service (DoS) vulnerability in the file lib/ecstatic.js of the ecstatic npm package, before version 2.0.0, allows a remote attacker to overload and crash a server by passing a maliciously crafted string.

Frequently asked questions

What is CVE-2016-10703?: A regular expression Denial of Service (DoS) vulnerability in the file lib/ecstatic.js of the ecstatic npm package, before version 2.0.0, allows a remote attacker to overload and crash a server by passing a maliciously crafted string.
How severe is CVE-2016-10703?: CVE-2016-10703 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2016-10703 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-10703?: CVE-2016-10703 affects Ecstatic Project Ecstatic. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-10703?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2016-10703 published?: CVE-2016-10703 was published on 2017-12-14 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:ecstatic_project:ecstatic:*:*:*:*:*:node.js:*:*

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