Security readout for executives and security teams
Plain-English summary
CVE-2017-16119 is a denial-of-service issue in the Node.js fresh module, used by Express.js for HTTP freshness checks. Specially crafted input can make parsing consume excessive processing time and block the Node.js event loop, interrupting service availability.
Executive priority
Treat as a service-availability risk rather than a data-theft issue. Prioritize internet-facing Node.js services and high-traffic Express.js applications, especially where dependency updates are overdue.
Technical view
The vulnerable fresh node module versions before 0.5.2 can trigger regular expression denial of service during input parsing. The reported impact is event-loop blocking, mapped to CWE-400 resource consumption. The source bundle does not provide CVSS scoring or detailed exploit conditions.
Likely exposure
Exposure is most likely in Node.js or Express.js applications that directly or transitively include fresh versions below 0.5.2.
Exploitation context
The provided sources do not show CISA KEV listing or confirmed active exploitation. Risk depends on whether attacker-controlled HTTP header or request data reaches the vulnerable freshness parsing path.
Researcher notes
Evidence is limited to the CVE record and advisory reference. No CVSS vector, exploit proof, or detailed vulnerable input path is included in the supplied bundle, so validation should focus on dependency presence and reachable parsing use.
Mitigation direction
- Upgrade fresh to 0.5.2 or later where present.
- Refresh lockfiles and rebuild deployed Node.js application artifacts.
- Check Express.js dependency chains for vulnerable transitive fresh versions.
- Follow current package maintainer guidance if direct upgrade is constrained.
Validation and detection
- Review package manifests and lockfiles for fresh versions below 0.5.2.
- Inventory deployed Node.js services using Express.js or fresh directly.
- Confirm production artifacts match remediated dependency versions.
- Check dependency scanner results for CVE-2017-16119 after remediation.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-400: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2017-16119 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://nodesecurity.io/advisories/526CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Uncontrolled Resource Consumption
Uncontrolled Resource Consumption represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.