Linux · SUSE Linux Enterprise · Security advisory · September 15, 2026
SUSE-SU-2026:23784-1: MozillaFirefox security update
SUSE-SU-2026:23784-1, released September 15, 2026, fixes 24 CVEs in MozillaFirefox (version 153.2.0-160000.1.1). None of them is reported as exploited. Patch Radar priority: Urgent.
Urgent
CVEs closed
24
5 rated Critical
Exploited
0
None reported
Highest CVSS
10.0
Base score, 0 to 10
Highest EPSS
0.0057
47th percentile
Priority of the 24 CVEs
Patch now 0
Urgent 5
High 14
Routine 5
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| MozillaFirefox | sles 16.0 | 153.2.0-160000.1.1 |
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| Urgent | CVE-2026-84134 | Other issue in the Profile Backup component | 9.8 | 0.0057 | None reported |
| Urgent | CVE-2026-75874 | Sandbox escape in the Remote Settings Client component | 10.0 | 0.0046 | None reported |
| Urgent | CVE-2026-84143 | Internally found bugs fixed in Thunderbird 155, Thunderbird ESR 153.2 and Thunderbird ESR 140.15 | 9.8 | 0.0038 | None reported |
| Urgent | CVE-2026-84119 | Sandbox escape due to use-after-free in the DOM: Navigation component | 9.6 | 0.0032 | None reported |
| Urgent | CVE-2026-84121 | Sandbox escape due to use-after-free in the DOM: Security component | 9.6 | 0.0032 | None reported |
| High | CVE-2026-84130 | Information disclosure in the Graphics: WebGPU component | 7.5 | 0.0044 | None reported |
| High | CVE-2026-84123 | Privilege escalation due to use-after-free in the Graphics: WebGPU component | 8.8 | 0.0044 | None reported |
| High | CVE-2026-84144 | Internally found bugs fixed in Thunderbird 155 and Thunderbird ESR 153.2 | 7.5 | 0.0043 | None reported |
| High | CVE-2026-74952 | Privilege escalation in the Application Update component | 8.8 | 0.0042 | None reported |
| High | CVE-2026-84145 | Internally found bugs fixed in Thunderbird 155, Thunderbird ESR 153.2 and Thunderbird ESR 140.15 | 7.5 | 0.0037 | None reported |
| High | CVE-2026-84141 | Integer overflow in the Graphics: ImageLib component | 9.8 | 0.0034 | None reported |
| High | CVE-2026-84131 | Privilege escalation due to invalid pointer in the Graphics component | 8.8 | 0.0033 | None reported |
| High | CVE-2026-84132 | Information disclosure in the Networking: HTTP component | 7.5 | 0.0026 | None reported |
| High | CVE-2026-84120 | Use-after-free in the Audio/Video component | 7.5 | 0.0022 | None reported |
| High | CVE-2026-84122 | Use-after-free in the Audio/Video component | 7.5 | 0.0021 | None reported |
| High | CVE-2026-84129 | Site isolation issue in the DOM: Navigation component | 9.8 | 0.0019 | None reported |
| High | CVE-2026-84133 | Site isolation issue in the DOM: Push Subscriptions component | 9.8 | 0.0019 | None reported |
| High | CVE-2026-84140 | Site isolation issue in the DOM: Navigation component | 9.8 | 0.0018 | None reported |
| High | CVE-2026-84124 | Use-after-free in the DOM: Core & HTML component | 8.8 | 0.0017 | None reported |
| Routine | CVE-2026-84139 | Clickjacking issue in the DOM: Events component | 6.1 | 0.0034 | None reported |
| Routine | CVE-2026-84118 | Use-after-free in the JavaScript: GC component | 5.4 | 0.0029 | None reported |
| Routine | CVE-2026-84125 | Use-after-free in the DOM: Core & HTML component | 5.4 | 0.0029 | None reported |
| Routine | CVE-2026-84136 | Other issue in the DOM: Navigation component | 6.1 | 0.0020 | None reported |
| Routine | CVE-2026-84137 | Spoofing issue in the DOM: Core & HTML component | 4.3 | 0.0013 | None reported |
Showing 1 to 24 of 24
1
Patch Radar data is free to use with attribution. Terms and how to credit it.
Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.