Question 1

What is CVE-2026-124939 — CVE-2026-124939?

Accepted Answer

JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 160, Firefox ESR 153.7, Thunderbird 160, and Thunderbird 153.7.

Question 2

What is the authoritative source for CVE-2026-124939?

Accepted Answer

CVE-2026-124939 (CVE-2026-124939) is catalogued in NVD + CISA KEV + FIRST EPSS and curated for EU compliance use cases by SQUR.

CVE-2026-124939CVE-2026-124939

Description

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