CVE-2026-3336
PKCS7_verify Certificate Chain Validation Bypass in AWS-LC
7.5
HIGH
CVSS 3.1
EPSS 0.77%
描述
Improper certificate validation in `PKCS7_verify()` in AWS-LC allows an unauthenticated user to bypass certificate chain verification when processing PKCS7 objects with multiple signers, except the final signer. Customers of AWS services do not need to take action. `aws-lc-sys` contains code from AWS-LC. Applications using `aws-lc-sys` should upgrade to the most recent release of `aws-lc-sys`. There is no workaround; applications using `aws-lc-sys` should upgrade to the most recent release of aws-lc-sys.
如何修補 CVE-2026-3336
要修補 CVE-2026-3336,請將受影響套件升級到下列已修補版本。
- —升級至 0.38.0 或更新版本
- —升級至 0.38.0 或更新版本
CVE-2026-3336 正在被利用嗎?
低 — EPSS 為 0.8%,目前沒有觀察到大規模利用活動。
受影響套件(2)
- >= 0.24.0, < 0.38.0
- >= 0.24.0, < 0.38.0
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N |
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |