CVE-2026-6678

1.0 lowEPSS 0.3%

Low (1.0) in wolfssl wolfssl. EPSS 0.3% chance of exploitation in the next 30 days.

Integer underflow in wc_PKCS7_DecryptOri when handling crafted Other Recipient Info, leading to incorrect length handling during decryption.

Severity

1.0 low

CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/U:Clear

5.3 medium

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

EPSS: 0.3% chance of exploitation in the next 30 days; higher than 26% of CVEs (scores of 2026-10-31)
CWE: CWE-191
Published: 2026-06-25
Modified: 2026-07-01
Record from: the NVD, synced 2026-10-19