Description (CNA)
Incorrect handling of __proto__ mutations may lead to type confusion in IonMonkey JIT code and can be leveraged for arbitrary memory read and write. This vulnerability affects Firefox < 66.0.1, Firefox ESR < 60.6.1, and Thunderbird < 60.6.1.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| Mozilla / Firefox | affected unspecified before 66.0.1 |
| Mozilla / Firefox ESR | affected unspecified before 60.6.1 |
| Mozilla / Thunderbird | affected unspecified before 60.6.1 |
CWE
No CWE identifiers supplied.
References
- https://www.mozilla.org/security/advisories/mfsa2019-09/
- https://www.mozilla.org/security/advisories/mfsa2019-10/
- https://www.mozilla.org/security/advisories/mfsa2019-12/
- https://bugzilla.mozilla.org/show_bug.cgi?id=1538006
- https://access.redhat.com/errata/RHSA-2019:0966
- https://access.redhat.com/errata/RHSA-2019:1144
ADP enrichment
No English description supplied.
- https://www.mozilla.org/security/advisories/mfsa2019-09/
- https://www.mozilla.org/security/advisories/mfsa2019-10/
- https://www.mozilla.org/security/advisories/mfsa2019-12/
- https://bugzilla.mozilla.org/show_bug.cgi?id=1538006
- https://access.redhat.com/errata/RHSA-2019:0966
- https://access.redhat.com/errata/RHSA-2019:1144