CVE-2022-39393 affects Wasmtime, a WebAssembly runtime, specifically versions prior to 2.0.2 and 1.0.2. The vulnerability allows a subsequent instance to erroneously access a prior instance's initial heap snapshot due to a bug in the pooling instance allocator. This is a high-severity vulnerability (CVSS 8.6) with a network attack vector and low complexity, potentially leading to high confidentiality impact. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 1.0.2CPE matchmatch criteria | cpe:2.3:a:bytecodealliance:wasmtime:*:*:*:*:*:rust:*:* | ||
>= 2.0.0, < 2.0.2CPE matchmatch criteria | cpe:2.3:a:bytecodealliance:wasmtime:*:*:*:*:*:rust:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.