Question 1

What is CVE-2026-55967 — CVE-2026-55967?

Accepted Answer

AES-GCM encryption/decryption with extremely large cumulative single message sizes (>64 GiB) were not properly rejected by the streaming APIs, allowing counter wrap, keystream reuse, and consequent plaintext recovery.

Question 2

What is the authoritative source for CVE-2026-55967?

Accepted Answer

CVE-2026-55967 (CVE-2026-55967) is catalogued in NVD + CISA KEV + FIRST EPSS and curated for EU compliance use cases by SQUR.

CVE-2026-55967CVE-2026-55967

Description

Scoring