Signal is active with 1 mentions in latest observed window
Recommended action window: Monitor and triage in normal cycle
NVD description
Memory safety bug present in Firefox ESR 128.9, and Thunderbird 128.9. This bug showed evidence of memory corruption and we presume that with enough effort this could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox ESR 128.10 and Thunderbird 128.10.
Priority
LOW
Exploitation
NONE
PoC
NONE
Patch
AVAILABLE
Momentum
NONE
If you run products in this scope, you should treat this CVE as relevant to your environment.
🚨 HIGH: CVE-2025-4093 (CVSS 8.1) - Memory corruption bug in Firefox ESR 128.9 & Thunderbird 128.9 could enable arbitrary code execution. Update to v128.10 immediately. #CVE #PatchNow #ThreatIntel https://t.co/mZcCIPyqvF
Post summary
A tweet discloses CVE‑2025‑4093 as a high‑severity memory corruption flaw in Firefox ESR 128.9 and Thunderbird, urging users to update to v128.10 immediately.
2 of 2 entries
| Part | Vendor | Product | Version | Target SW | Target HW |
|---|---|---|---|---|---|
| App | mozilla | firefox | - | - | - |
| App | mozilla | thunderbird | - | - | - |