8.8
CVE-2021-23978
- EPSS 0.72%
- Veröffentlicht 26.02.2021 16:15:12
- Zuletzt bearbeitet 21.11.2024 05:52:08
- Quelle security@mozilla.org
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Mozilla developers reported memory safety bugs present in Firefox 85 and Firefox ESR 78.7. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 86, Thunderbird < 78.8, and Firefox ESR < 78.8.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Mozilla ≫ Firefox ESR Version < 78.8
Mozilla ≫ Thunderbird Version < 78.8
Debian ≫ Debian Linux Version9.0
Debian ≫ Debian Linux Version10.0
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
| Typ | Quelle | Score | Percentile |
|---|---|---|---|
| EPSS | FIRST.org | 0.72% | 0.717 |
| Quelle | Base Score | Exploit Score | Impact Score | Vector String |
|---|---|---|---|---|
| nvd@nist.gov | 8.8 | 2.8 | 5.9 |
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
|
| nvd@nist.gov | 6.8 | 8.6 | 6.4 |
AV:N/AC:M/Au:N/C:P/I:P/A:P
|
CWE-787 Out-of-bounds Write
The product writes data past the end, or before the beginning, of the intended buffer.