VDB
GSD-2020-6820
GSD-2020-6820
PUBLISHED
CVSS 8.100000381469727 HIGH
Under certain conditions, when handling a ReadableStream, a race condition can cause a use-after-free. We are aware of targeted attacks in the wild abusing this flaw. This vulnerability affects Thunderbird < 68.7.0, Firefox < 74.0.1, and Firefox ESR < 68.6.1.
Risk Scores
CVSS v3.1
8.100000381469727
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | * |
| Mozilla | Firefox ESR | unspecified |
| Mozilla | Thunderbird | unspecified |
Timeline
- Apr 3, 2020 CVE Published
- Apr 6, 2020 PoC Published
- Nov 8, 2021 PoC Published
- Nov 20, 2021 PoC Published
- Dec 24, 2024 PoC Published
- Feb 23, 2025 PoC Published
- Feb 2, 2026 PoC Published