Description (CNA)
By carefully crafting promise resolutions, it was possible to cause an out-of-bounds read off the end of an array resized during script execution. This could have led to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 68.6, Firefox < 74, Firefox < ESR68.6, and Firefox ESR < 68.6.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| Mozilla / Thunderbird | affected unspecified before 68.6 |
| Mozilla / Firefox | affected unspecified before 74; affected unspecified before ESR68.6 |
| Mozilla / Firefox ESR | affected unspecified before 68.6 |
CWE
No CWE identifiers supplied.
References
- https://www.mozilla.org/security/advisories/mfsa2020-08/
- https://www.mozilla.org/security/advisories/mfsa2020-10/
- https://www.mozilla.org/security/advisories/mfsa2020-09/
- https://bugzilla.mozilla.org/show_bug.cgi?id=1612308
- https://usn.ubuntu.com/4328-1/
- https://usn.ubuntu.com/4335-1/
- http://packetstormsecurity.com/files/157524/Firefox-js-ReadableStreamCloseInternal-Out-Of-Bounds-Access.html
ADP enrichment
No English description supplied.
- https://www.mozilla.org/security/advisories/mfsa2020-08/
- https://www.mozilla.org/security/advisories/mfsa2020-10/
- https://www.mozilla.org/security/advisories/mfsa2020-09/
- https://bugzilla.mozilla.org/show_bug.cgi?id=1612308
- https://usn.ubuntu.com/4328-1/
- https://usn.ubuntu.com/4335-1/
- http://packetstormsecurity.com/files/157524/Firefox-js-ReadableStreamCloseInternal-Out-Of-Bounds-Access.html