CVE-2021-39216
Multiple Vulnerabilities in Wasmtime
6.3
MEDIUM
CVSS 3.1
EPSS 0.31%
描述
* [Use after free passing `externref`s to Wasm in Wasmtime](https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-v4cp-h94r-m7xf) * [Out-of-bounds read/write and invalid free with `externref`s and GC safepoints in Wasmtime](https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-4873-36h9-wv49) * [Wrong type for `Linker`-define functions when used across two `Engine`s](https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-q879-9g95-56mx)
如何修補 CVE-2021-39216
要修補 CVE-2021-39216,請將受影響套件升級到下列已修補版本。
- —升級至 0.30.0 或更新版本
- —升級至 0.30.0 或更新版本
- —升級至 0.30.0 或更新版本
CVE-2021-39216 正在被利用嗎?
低 — EPSS 為 0.3%,目前沒有觀察到大規模利用活動。
受影響套件(3)
- >= 0.26.0, < 0.30.0
- from 0, < 0.30.0
- from 0, < 0.30.0
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N |
| osv | CVSS 3.1 | MEDIUM6.3 | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H |