CVE-2019-17026 (GCVE-0-2019-17026)
Vulnerability from cvelistv5
Published
2020-03-02 04:05
Modified
2025-10-21 23:35
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- IonMonkey type confusion with StoreElementHole and FallibleStoreElement
Summary
Incorrect alias information in IonMonkey JIT compiler for setting array elements could lead to a type confusion. We are aware of targeted attacks in the wild abusing this flaw. This vulnerability affects Firefox ESR < 68.4.1, Thunderbird < 68.4.1, and Firefox < 72.0.1.
References
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Impacted products
| Vendor | Product | Version | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mozilla | Firefox ESR |
Version: unspecified < 68.4.1 |
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CISA Known Exploited Vulnerability
Data from the CISA Known Exploited Vulnerabilities Catalog
Date added: 2021-11-03
Due date: 2022-05-03
Required action: Apply updates per vendor instructions.
Used in ransomware: Unknown
Notes: https://nvd.nist.gov/vuln/detail/CVE-2019-17026
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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