Linux · SUSE Linux Enterprise · Security advisory · July 23, 2026
SUSE-SU-2026:3221-1: MozillaFirefox security update
SUSE-SU-2026:3221-1, released July 23, 2026, fixes 3 CVEs in MozillaFirefox (version 140.13.0-150200.152.248.1). None of them is reported as exploited. Patch Radar priority: Urgent.
Urgent
CVEs closed
3
1 rated Critical
Exploited
0
None reported
Highest CVSS
9.8
Base score, 0 to 10
Highest EPSS
0.0049
42nd percentile
Priority of the 3 CVEs
Patch now 0
Urgent 1
High 2
Routine 0
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| MozillaFirefox | sles 15.6 | 140.13.0-150200.152.248.1 |
| MozillaFirefox | sles 15.7 | 140.13.0-150200.152.248.1 |
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| Urgent | CVE-2026-16361 | Memory safety bugs fixed in Thunderbird ESR 140.13 | 9.8 | 0.0032 | None reported |
| High | CVE-2026-15718 | Invalid pointer in the JavaScript: WebAssembly component | 8.8 | 0.0049 | None reported |
| High | CVE-2026-15719 | Site isolation issue in the DOM: Navigation component | 8.8 | 0.0034 | None reported |
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