Question 1

What is CVE-2026-118020 — CVE-2026-118020?

Accepted Answer

Use-after-free in the Layout component. This vulnerability was fixed in Firefox 159 and Thunderbird 159.

Question 2

What is the authoritative source for CVE-2026-118020?

Accepted Answer

CVE-2026-118020 (CVE-2026-118020) is catalogued in NVD + CISA KEV + FIRST EPSS and curated for EU compliance use cases by SQUR.

CVE-2026-118020CVE-2026-118020

Description