Security readout for executives and security teams
Plain-English summary
CVE-2019-1010171 is a denial-of-service flaw in Jsish/Jsi 2.4.83 and 2.0483. Crafted JavaScript code can trigger a null pointer dereference, causing the affected process to crash. The public record names fixed version 2.4.84.
Executive priority
Treat as a targeted availability risk, not a confirmed widespread emergency. Prioritize remediation if Jsish runs untrusted JavaScript in production or supports customer-facing workflows.
Technical view
The flaw is reported in function jsi_DumpFunctions in jsiEval.c at line 567. The documented attack vector is execution of crafted JavaScript code. Public sources do not provide CVSS, CWE, exploit maturity, or broader affected-product evidence.
Likely exposure
Exposure is most likely where Jsish/Jsi 2.4.83 or 2.0483 is installed, embedded, or used to run JavaScript from users, plugins, automation, or external inputs.
Exploitation context
The source bundle does not show CISA KEV listing or active exploitation. Practical risk depends on whether an attacker can make the environment execute crafted JavaScript through Jsish.
Researcher notes
Evidence is concise: affected versions, vulnerable function, impact, vector, and fixed version are documented. Severity scoring, exploit details, and operational indicators are not provided in the supplied sources.
Mitigation direction
- Upgrade Jsish/Jsi deployments from 2.4.83 or 2.0483 to 2.4.84 or later.
- Block or sandbox untrusted JavaScript execution through Jsish until upgraded.
- Review the vendor ticket for environment-specific guidance.
- Prioritize systems where Jsish processes user-supplied scripts or automation input.
Validation and detection
- Inventory binaries, packages, containers, and embedded components for Jsish/Jsi versions.
- Confirm running Jsish/Jsi version is 2.4.84 or later.
- Identify applications that pass external JavaScript into Jsish.
- Check monitoring for unexplained Jsish crashes or service restarts.
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.
CVE-2019-1010171 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://jsish.org/fossil/jsi/tktview/a3026a7c06e0f41af461aa0bc2f7a7e886209390CVE reference · x_refsource_CONFIRM
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.