Vulnerability
CVE-2025-12745
Bellard QuickJS: memory overread
Most severe levelDEFCON 4 · Moderate risk
Official data
- CVSS 3.1
- 7.8 · high
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - EPSS
- 0.22% probability of exploitation in the next 30 days, higher than 12% of CVEs
- CISA KEV catalogue
- No
- Published on NVD
- 5 November 2025
Sources: NVD (CVSS, weakness, publication), FIRST (EPSS), CISA (KEV catalogue).
Data read on 25 October 2026.
In DefenceLevel briefings1 day
- 6 November 2025New in the last 24 hoursDEFCON 4
Last 12 months.
The full analysis is in the briefingThe full analysis is in your archive
Why it matters now, who is affected and what to do: every day at 05:00 UTC, for subscribers.Why it matters, who is affected and what to do, as in the daily briefing.