CVE-2026-22791— openCryptoki incorrectly calculates the buffer size in C_WrapKey with CKM_ECDH_AES_KEY_WRAP
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I. Basic Information for CVE-2026-22791
Vulnerability Information
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Vulnerability Title
openCryptoki incorrectly calculates the buffer size in C_WrapKey with CKM_ECDH_AES_KEY_WRAP
Source: NVD (National Vulnerability Database)
Vulnerability Description
openCryptoki is a PKCS#11 library and tools for Linux and AIX. In 3.25.0 and 3.26.0, there is a heap buffer overflow vulnerability in the CKM_ECDH_AES_KEY_WRAP implementation allows an attacker with local access to cause out-of-bounds writes in the host process by supplying a compressed EC public key and invoking C_WrapKey. This can lead to heap corruption, or denial-of-service.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
缓冲区大小计算不正确
Source: NVD (National Vulnerability Database)
Vulnerability Title
openCryptoki 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
openCryptoki是openCryptoki开源的一个适用于 Linux 的 PKCS#11 库和工具。 openCryptoki 3.25.0版本和3.26.0版本存在安全漏洞，该漏洞源于CKM_ECDH_AES_KEY_WRAP实现存在堆缓冲区溢出，可能导致堆损坏或拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| opencryptoki | opencryptoki | >= 3.25.0, <= 3.26.0 | - |
II. Public POCs for CVE-2026-22791
| # | POC Description | Source Link | Shenlong Link |
|---|
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IV. Related Vulnerabilities
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