high8.8
CVE-2020-12406
Mozilla Developer Iain Ireland discovered a missing type check during unboxed objects removal, resulting in a crash.
Impact
Mozilla Developer Iain Ireland discovered a missing type check during unboxed objects removal, resulting in a crash. We presume that with enough effort that it could be exploited to run arbitrary code. This vulnerability affects Thunderbird < 68.9.0, Firefox < 77, and Firefox ESR < 68.9.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Mozilla | Firefox | before 77.0 |
| Mozilla | Firefox Esr | before 68.9.0 |
| Mozilla | Thunderbird | before 68.9.0 |
| Canonical | Ubuntu Linux | Versions 16.04, 18.04, 19.10, 20.04 |
Weakness classification
References
- NVD record
- CVE.org record
- https://bugzilla.mozilla.org/show_bug.cgi?id=1639590
- https://usn.ubuntu.com/4421-1/
- https://www.mozilla.org/security/advisories/mfsa2020-20/
- https://www.mozilla.org/security/advisories/mfsa2020-21/
- https://www.mozilla.org/security/advisories/mfsa2020-22/
- https://bugzilla.mozilla.org/show_bug.cgi?id=1639590
- https://usn.ubuntu.com/4421-1/
- https://www.mozilla.org/security/advisories/mfsa2020-20/
- https://www.mozilla.org/security/advisories/mfsa2020-21/
- https://www.mozilla.org/security/advisories/mfsa2020-22/