Linux · 
Ubuntu · Package update · July 31, 2023
Ubuntu · Package update · July 31, 2023firefox 116.0+build2-0ubuntu0.20.04.2: firefox 116.0+build2-0ubuntu0.20.04.2 for Ubuntu 20.04 LTS (focal)
firefox 116.0+build2-0ubuntu0.20.04.2, released July 31, 2023, fixes 8 CVEs in firefox. None of them is reported as exploited. Patch Radar priority: High. The product is no longer supported.
HighUnsupported product
CVEs closed
8
None rated Critical
Exploited
0
None reported
Highest CVSS
8.8
Base score, 0 to 10
Highest EPSS
0.1258
96th percentile
Priority of the 8 CVEs
Patch now 0
Urgent 0
High 8
Routine 0
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| firefox | Ubuntu 20.04 LTS (focal) | 116.0+build2-0ubuntu0.20.04.2 |
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| High | CVE-2023-4050 | Mozilla Firefox ESR and 3 others: In some cases, an untrusted input stream was copied to a stack buffer without checking its size. | 7.5 | 0.1258 | None reported |
| High | CVE-2023-4046 | Mozilla Firefox ESR and 3 others: Allocation of Resources Without Limits or Throttling | 7.5 | 0.0113 | None reported |
| High | CVE-2023-4048 | Mozilla Firefox ESR and 3 others: An out-of-bounds read could have led to an exploitable crash when parsing HTML with DOMParser in low… | 7.5 | 0.0093 | None reported |
| High | CVE-2023-4053 | Full screen notification obscured by external program | 8.8 | 0.0077 | None reported |
| High | CVE-2023-4051 | Full screen notification obscured by file open dialog | 8.8 | 0.0066 | None reported |
| High | CVE-2023-4049 | Mozilla Firefox ESR and 3 others: Race conditions in reference counting code were found through code inspection. | 7.5 | 0.0063 | None reported |
| High | CVE-2023-4047 | Mozilla Firefox ESR and 3 others: Cross-Site Request Forgery (CSRF) | 8.8 | 0.0063 | None reported |
| High | CVE-2023-4045 | Mozilla Firefox ESR and 3 others: Offscreen Canvas did not properly track cross-origin tainting, which could have been used to access image… | 7.5 | 0.0059 | None reported |
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