CVE-2016-2196

Critical

Published: 13/05/2016(UTC)Translated: 15/06/2026(UTC)NVD NIST

Summary

Heap-based buffer overflow in the P-521 reduction function in Botan 1.11.x before 1.11.27 allows remote attackers to cause a denial of service or execute arbitrary code.

Risk Assessment

An attacker may cause system crashes or gain unauthorized access, posing a serious security threat to the organization.

Recommendation

It is recommended to upgrade to Botan version 1.11.27 or later to mitigate this vulnerability.

Other vulnerabilities in Botan 1.11.x before 1.11.27

CVE-2016-6879High
The X509_Certificate::allowed_usage function in botan 1.11.x before 1.11.31 might allow attackers to have unspecified impact by leveraging a call with more than one Key_Usage set in the enum value.

Original NVD description (English source)

Heap-based buffer overflow in the P-521 reduction function in Botan 1.11.x before 1.11.27 allows remote attackers to cause a denial of service (memory overwrite and crash) or execute arbitrary code via unspecified vectors.