CVE-2026-24116
MEDIUM5.5EPSS 0.01%Wasmtime segfault or unused out-of-sandbox load with `f64.copysign` operator on x86-64
Published: 1/27/2026Modified: 1/30/2026
Description
This is an entry in the RustSec database for the Wasmtime security advisory located at https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-vc8c-j3xm-xj73 For more information see the GitHub-hosted security advisory.
Affected packages (3)
- crates.io/wasmtime>= 29.0.0, < 36.0.5
- crates.io/wasmtime>= 29.0.0, < 36.0.5, >= 37.0.0, < 40.0.3, >= 41.0.0, < 41.0.1
- Debian/rust-wasmtimefrom 0, < 36.0.5+dfsg-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N |
| osv | CVSS 3.1 | MEDIUM5.5 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
References (12)
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2026-24116
- ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2026-24116
- PATCHhttps://crates.io/crates/wasmtime
- PATCHhttps://github.com/bytecodealliance/wasmtime
- WEBhttps://docs.rs/wasmtime/latest/wasmtime/struct.Config.html#method.memory_guard_size
- WEBhttps://docs.rs/wasmtime/latest/wasmtime/struct.Config.html#method.signals_based_traps
- WEBhttps://docs.wasmtime.dev/stability-release.html
- WEBhttps://github.com/bytecodealliance/wasmtime/commit/728fa07184f8da2a046f48ef9b61f869dce133a6
- WEBhttps://github.com/bytecodealliance/wasmtime/commit/799585fc362fcb991de147dd1a9f2ba0861ed440
- WEBhttps://github.com/bytecodealliance/wasmtime/commit/ac92d9bb729ad3a6d93f0724c4c33a0c4a9c0227
- WEBhttps://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-vc8c-j3xm-xj73
- WEBhttps://rustsec.org/advisories/RUSTSEC-2026-0006.html