新月@fubukiyokiyoki
言うタイミングを逃しまくっていたが、firefoxのCVEが3つ増えました ・CVE-2026-100816 ・CVE-2026-100828 ・CVE-2026-100829 https://t.co/DoopuvUiJB
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CVE-2026-100816(mozilla / firefox)
LOWCVSS 8.1 · HIGHSignal is active with 1 mentions in latest observed window
Immediate actions
- Track advisory updates for patch or workaround availability
Recommended action window: Monitor and triage in normal cycle
NVD description
Site isolation issue in the DOM: Networking component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157.
0.0/ 10 priority
Sources & remediation
Vendor / third-party advisories
Other references
Weakness type (CWE)
CWE-346
Priority
LOW
Exploitation
NONE
PoC
NONE
Patch
NONE
Momentum
NONE
Are you affected?
If you run products in this scope, you should treat this CVE as relevant to your environment.
- firefox
- thunderbird
Threat summary
- 1 mentions across 1 observed day
What's happening
- 1 total mentions across 1 day
Affected systems
Vendors
Products
firefoxthunderbird
Deep dive
Activity timeline1 mentions / 1d
Full discourse1 post
CPE platform detail2 entries
2 of 2 entries
| Part | Vendor | Product | Version | Target SW | Target HW |
|---|---|---|---|---|---|
| App | mozilla | firefox | - | - | - |
| App | mozilla | thunderbird | - | - | - |