Linux · 
Ubuntu · Package update · February 26, 2021
Ubuntu · Package update · February 26, 2021firefox 86.0+build3-0ubuntu0.18.04.1: firefox 86.0+build3-0ubuntu0.18.04.1 for Ubuntu 18.04.6 LTS (bionic)
firefox 86.0+build3-0ubuntu0.18.04.1, released February 26, 2021, fixes 10 CVEs in firefox. None of them is reported as exploited. Patch Radar priority: Urgent. The product is no longer supported.
UrgentUnsupported product
CVEs closed
10
4 rated Critical
Exploited
0
None reported
Highest CVSS
8.8
Base score, 0 to 10
Highest EPSS
0.0153
75th percentile
Priority of the 10 CVEs
Patch now 0
Urgent 4
High 2
Routine 4
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| firefox | Ubuntu 18.04.6 LTS (bionic) | 86.0+build3-0ubuntu0.18.04.1 |
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-2021-23973 | 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 |
| 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 |
| High | CVE-2021-23972 | Firefox ESR and 1 other: One phishing tactic on the web is to provide a link with HTTP Auth. | 8.8 | 0.0101 | None reported |
| High | CVE-2021-23979 | Firefox ESR and 1 other: Mozilla developers reported memory safety bugs present in Firefox 85. | 8.8 | 0.0093 | None reported |
| Routine | CVE-2021-23975 | Firefox ESR and 1 other: The developer page about:memory has a Measure function for exploring what object types the browser has… | 6.5 | 0.0101 | None reported |
| Routine | CVE-2021-23970 | Firefox ESR and 1 other: Context-specific code was included in a shared jump table; resulting in assertions being triggered in… | 6.5 | 0.0101 | None reported |
| Routine | CVE-2021-23971 | Firefox ESR and 1 other: When processing a redirect with a conflicting Referrer-Policy, Firefox would have adopted the redirect's… | 6.5 | 0.0101 | None reported |
| Routine | CVE-2021-23974 | Firefox ESR and 1 other: The DOMParser API did not properly process '<noscript>' elements for escaping. | 6.1 | 0.0075 | None reported |
Showing 1 to 10 of 10
1
Patch Radar data is free to use with attribution. Terms and how to credit it.
Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.