Linux · 
Ubuntu · Package update · January 7, 2025
Ubuntu · Package update · January 7, 2025firefox 134.0+build1-0ubuntu0.20.04.1: firefox 134.0+build1-0ubuntu0.20.04.1 for Ubuntu 20.04 LTS (focal)
firefox 134.0+build1-0ubuntu0.20.04.1, released January 7, 2025, 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
9.8
Base score, 0 to 10
Highest EPSS
0.1472
96th percentile
Priority of the 8 CVEs
Patch now 0
Urgent 0
High 4
Routine 4
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| firefox | Ubuntu 20.04 LTS (focal) | 134.0+build1-0ubuntu0.20.04.1 |
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| High | CVE-2025-0242 | Memory safety bugs fixed in Firefox 134, Thunderbird 134, Firefox ESR 115.19, Firefox ESR 128.6, Thunderbird 115.19, and Thunderbird 128.6 | 8.8 | 0.1472 | None reported |
| High | CVE-2025-0247 | Memory safety bugs fixed in Firefox 134 and Thunderbird 134 | 9.8 | 0.1070 | None reported |
| High | CVE-2025-0241 | Memory corruption when using JavaScript Text Segmentation | 7.7 | 0.0073 | None reported |
| High | CVE-2025-0243 | Memory safety bugs fixed in Firefox 134, Thunderbird 134, Firefox ESR 128.6, and Thunderbird 128.6 | 7.5 | 0.0025 | None reported |
| Routine | CVE-2025-0238 | Use-after-free when breaking lines in text | 6.5 | 0.0079 | None reported |
| Routine | CVE-2025-0240 | Compartment mismatch when parsing JavaScript JSON module | 6.5 | 0.0067 | None reported |
| Routine | CVE-2025-0237 | WebChannel APIs susceptible to confused deputy attack | 6.8 | 0.0060 | None reported |
| Routine | CVE-2025-0239 | Alt-Svc ALPN validation failure when redirected | 5.4 | 0.0023 | None reported |
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