wolfssl: AES-GCM encryption/decryption with extremely large cumulative single message sizes (>64 GiB) were not properly reject...
CVE-2026-55967 is fixed in wolfssl on 1 platform, first by DEBIAN-CVE-2026-55967, released July 18, 2026. It is not reported as exploited. Patch Radar priority: High.
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.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| wolfssl · Debian 12.15 (bookworm) | 5.5.4-2+deb12u3 | DEBIAN-CVE-2026-55967 | Jul 18, 2026 |
| wolfssl · Debian 13.5 (trixie) | 5.7.2-0.1+deb13u2 | DEBIAN-CVE-2026-55967 | Jul 18, 2026 |
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