Linux · Security advisory · November 25, 2025
ELSA-2025-21280: Security update for 2 packages
ELSA-2025-21280, released November 25, 2025, fixes 9 CVEs across 2 products. None of them is reported as exploited. Patch Radar priority: High.
High
CVEs closed
9
None rated Critical
Exploited
0
None reported
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.0041
35th percentile
Priority of the 9 CVEs
Patch now 0
Urgent 0
High 9
Routine 0
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| firefox | ol 9 | 0:140.5.0-1.0.1.el9_7 |
| firefox-x11 | ol 9 | 0:140.5.0-1.0.1.el9_7 |
CVEs this fix closes
| Priority | CVE | Title | Impact | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|---|
| High | CVE-2025-13016 | Incorrect boundary conditions in the JavaScript: WebAssembly component | 7.5 | 0.0041 | None reported | |
| High | CVE-2025-13014 | Use-after-free in the Audio/Video component | 8.8 | 0.0032 | None reported | |
| High | CVE-2025-13020 | Use-after-free in the WebRTC: Audio/Video component | 8.8 | 0.0031 | None reported | |
| High | CVE-2025-13017 | Same-origin policy bypass in the DOM: Notifications component | 8.1 | 0.0028 | None reported | |
| High | CVE-2025-13018 | Mitigation bypass in the DOM: Security component | 8.1 | 0.0028 | None reported | |
| High | CVE-2025-13019 | Same-origin policy bypass in the DOM: Workers component | 8.1 | 0.0028 | None reported | |
| High | CVE-2025-13012 | Race condition in the Graphics component | 7.5 | 0.0024 | None reported | |
| High | CVE-2025-13015 | Spoofing issue in Firefox | 7.5 | 0.0023 | None reported | |
| High | CVE-2025-13013 | Mitigation bypass in the DOM: Core & HTML component | 7.5 | 0.0022 | None reported |
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