Linux · 
Oracle Linux · Security advisory · February 26, 2021
Oracle Linux · Security advisory · February 26, 2021ELSA-2021-0655: firefox security update
ELSA-2021-0655, released February 26, 2021, fixes 4 CVEs in firefox (version 0:78.8.0-1.0.1.el8_3). None of them is reported as exploited. Patch Radar priority: Urgent.
Urgent
CVEs closed
4
3 rated Critical
Exploited
0
None reported
Highest CVSS
8.8
Base score, 0 to 10
Highest EPSS
0.0153
74th percentile
Priority of the 4 CVEs
Patch now 0
Urgent 3
High 0
Routine 1
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| firefox | ol 8 | 0:78.8.0-1.0.1.el8_3 |
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| Urgent | CVE-2021-23978 | Firefox ESR and 2 others: Mozilla developers reported memory safety bugs present in Firefox 85 and Firefox ESR 78.7. | 8.8 | 0.0153 | None reported |
| Urgent | CVE-2021-23968 | Firefox ESR and 2 others: If Content Security Policy blocked frame navigation, the full destination of a redirect served in the… | 4.3 | 0.0131 | None reported |
| Urgent | CVE-2021-23969 | Firefox ESR and 2 others: As specified in the W3C Content Security Policy draft, when creating a violation report, "User agents… | 4.3 | 0.0121 | None reported |
| Routine | CVE-2021-23973 | Firefox ESR and 2 others: When trying to load a cross-origin resource in an audio/video context a decoding error may have resulted,… | 6.5 | 0.0137 | None reported |
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