Description (CNA)
When following the value's prototype chain, it was possible to retain a reference to a locale, delete it, and subsequently reference it. This resulted in a use-after-free and a potentially exploitable crash. This vulnerability affects Firefox < 70, Thunderbird < 68.2, and Firefox ESR < 68.2.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| Mozilla / Firefox | affected before 70 |
| Mozilla / Thunderbird | affected before 68.2 |
| Mozilla / Firefox ESR | affected before 68.2 |
CWE
No CWE identifiers supplied.
References
- https://www.mozilla.org/security/advisories/mfsa2019-35/
- https://www.mozilla.org/security/advisories/mfsa2019-33/
- https://www.mozilla.org/security/advisories/mfsa2019-34/
- https://bugzilla.mozilla.org/show_bug.cgi?id=1577107
- https://security.gentoo.org/glsa/202003-10
- https://usn.ubuntu.com/4335-1/
ADP enrichment
No English description supplied.