KEV Entry

CVE-2019-17026

Known Exploited Vulnerability Entry Previdian

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Entry Details
Confirmed Exploited

CVE-2019-17026

2021-11-03 01:00 CET

Timestamps

2021-11-03

2021-11-03

Scope

Incorrect alias information in IonMonkey JIT compiler for setting array elements could lead to a type confusion. We are aware of targeted attacks... | Affected: Mozilla / Firefox ESR, Thunderbird, Firefox | CVSS: 8.8 (HIGH) | EPSS: 0.46311 | Used in malware: unknown | Not yet in CISA KEV: False

References
  • {'id': 'CVE-2019-17026', 'url': 'https://www.cve.org/CVERecord?id=CVE-2019-17026'}
  • {'id': 'previdian', 'url': 'https://previdian.com/CVE-2019-17026'}

72b0341b-7a50-4e4d-96bf-aaf2f79ec77d

Previdian
caeb2787-0d58-4236-9039-7c86c3e566f3

2026-10-02 09:10 CEST

2026-10-02 09:10 CEST

Evidence
1
Type Source Signal Confidence Details GCVE Metadata
public_report previdian successful_exploitation 0.70
View details 
{
  "added_date": "2021-11-03T00:00:00.000Z",
  "ahead_of_cisa_kev": null,
  "cve_id": "CVE-2019-17026",
  "cvss_estimated": false,
  "cvss_score": 8.8,
  "cvss_severity": "HIGH",
  "epss_percentile": 0.98781,
  "epss_score": 0.46311,
  "feed": "Previdian (previdian.com)",
  "ghsa_id": null,
  "not_yet_in_cisa_kev": false,
  "previous_ids": [],
  "product": "Firefox ESR, Thunderbird, Firefox",
  "title": "Incorrect alias information in IonMonkey JIT compiler for setting array elements could lead to a type confusion. We are aware of targeted attacks...",
  "used_in_malware": "unknown",
  "vendor": "Mozilla",
  "virtual_patch": false,
  "vulnerability_id": "CVE-2019-17026"
}
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