CVE-2026-6678CWE-191

Integer underflow in wc_PKCS7_DecryptOri handling crafted Other Recipient Info

Low · published June 25, 2026

CVSS v4.0
1.0
EPSS
0%
Percentile
24.8
In the wild
Unconfirmed
What it is

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

The record
Technical detail
CVSS v4.0
1.0 · LOW
Vector
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
EPSS
0.00330 · 24.8th percentile
Weakness
CWE-191 · Integer Underflow (Wrap or Wraparound)
Published
2026-06-25T20:16Z
EPSS history
Timeline
  • 25 JUN 20:16Z
    Integer underflow in wc_PKCS7_DecryptOri handling crafted Other Recipient Info
    cvelistv5