CVE-2026-34988
MEDIUM6.3EPSS 0.01%Data leakage between pooling allocator instances
Published: 4/9/2026Modified: 4/9/2026
Description
This is an entry in the RustSec database for the Wasmtime security advisory located at https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-6wgr-89rj-399p For more information see the GitHub-hosted security advisory.
Affected packages (3)
- crates.io/wasmtime>= 28.0.0, < 36.0.7
- crates.io/wasmtime>= 0.0.0-0, < 36.0.7, >= 37.0.0, < 42.0.2, >= 43.0.0, < 43.0.1
- Debian/rust-wasmtimefrom 0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N |
| osv | CVSS 3.1 | MEDIUM6.3 | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N |
References (6)
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2026-34988
- ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2026-34988
- PATCHhttps://crates.io/crates/wasmtime
- PATCHhttps://github.com/bytecodealliance/wasmtime
- WEBhttps://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-6wgr-89rj-399p
- WEBhttps://rustsec.org/advisories/RUSTSEC-2026-0088.html