CVE-2026-6678

Summary

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

Affected Software

Weaknesses

• CWE-191: CWE-191 Integer Underflow (Wrap or Wraparound)

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: partial

CVE Program Container

Additional References

• https://www.talosintelligence.com/vulnerability_reports/TALOS-2026-2408

References

• https://github.com/wolfSSL/wolfssl/pull/10203
• https://www.wolfssl.com/docs/security-vulnerabilities/

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