Linux · Security advisory · October 11, 2021
RHSA-2021:3755: firefox security update
RHSA-2021:3755, released October 11, 2021, fixes 6 CVEs in firefox (version 0:91.2.0-4.el8_4). None of them is reported as exploited. Patch Radar priority: High.
High
CVEs closed
6
None rated Critical
Exploited
0
None reported
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.0191
79th percentile
Priority of the 6 CVEs
Patch now 0
Urgent 0
High 5
Routine 1
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| firefox | RHEL 8 | 0:91.2.0-4.el8_4 |
CVEs this fix closes
| Priority | CVE | Title | Impact | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|---|
| High | CVE-2021-32810 | firefox: crossbeam-deque is a package of work-stealing deques for building taskschedulers when programming in Rust | 9.8 | 0.0191 | None reported | |
| High | CVE-2021-38496 | Mozilla Firefox ESR and 3 others: During operations on MessageTasks, a task may have been removed while it was still scheduled, resulting… | 8.8 | 0.0166 | None reported | |
| High | CVE-2021-38498 | Mozilla Firefox ESR and 3 others: During process shutdown, a document could have caused a use-after-free of a languages service object,… | 7.5 | 0.0147 | None reported | |
| High | CVE-2021-38500 | Mozilla Firefox ESR and 3 others: Mozilla developers reported memory safety bugs present in Firefox 92 and Firefox ESR 91.1. | 8.8 | 0.0127 | None reported | |
| High | CVE-2021-38501 | Mozilla Firefox ESR and 3 others: Mozilla developers reported memory safety bugs present in Firefox 92 and Firefox ESR 91.1. | 8.8 | 0.0105 | None reported | |
| Routine | CVE-2021-38497 | Mozilla Firefox ESR and 3 others: Through use of reportValidity() and window.open(), a plain-text validation message could have been overlaid… | 6.5 | 0.0059 | None reported |
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