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openSUSE Leap · Security advisory · April 9, 2026
openSUSE Leap · Security advisory · April 9, 2026OPENSUSE-SU-2026:20486-1: MozillaFirefox security update
OPENSUSE-SU-2026:20486-1, released April 9, 2026, fixes 3 CVEs in MozillaFirefox (version 140.9.1-160000.1.1). None of them is reported as exploited. Patch Radar priority: High.
High
CVEs closed
3
None rated Critical
Exploited
0
None reported
Highest CVSS
9.8
Base score, 0 to 10
Highest EPSS
0.0036
30th percentile
Priority of the 3 CVEs
Patch now 0
Urgent 0
High 3
Routine 0
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| MozillaFirefox | opensuse-leap 16.0 | 140.9.1-160000.1.1 |
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| High | CVE-2026-5732 | Incorrect boundary conditions, integer overflow in the Graphics: Text component | 8.8 | 0.0036 | None reported |
| High | CVE-2026-5731 | Memory safety bugs fixed in Firefox ESR 115.34.1, Firefox ESR 140.9.1, Thunderbird ESR 140.9.1, Firefox 149.0.2 and Thunderbird 149.0.2 | 9.8 | 0.0035 | None reported |
| High | CVE-2026-5734 | Memory safety bugs fixed in Firefox ESR 140.9.1, Thunderbird ESR 140.9.1, Firefox 149.0.2 and Thunderbird 149.0.2 | 9.8 | 0.0034 | None reported |
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