CVE-2024-30266: bytecodealliance wasmtime Type Confusion
Vulnerability summary
CVE-2024-30266 is a medium (CVSS 5.5) Type Confusion vulnerability in bytecodealliance wasmtime. EPSS estimates a 0.32% chance of exploitation in the next 30 days, higher than 23.6% of scored vulnerabilities. 1 public exploit is recorded.
Advisory lineage
Upstream 0 · Downstream 0 · Related 2Timeline
- 04-04-2024PublishedVulnerability first disclosed.
- 02-08-2024Last modifiedVulnerability information updated.
Description
wasmtime is a runtime for WebAssembly. The 19.0.0 release of Wasmtime contains a regression introduced during its development which can lead to a guest WebAssembly module causing a panic in the host runtime. A valid WebAssembly module, when executed at runtime, may cause this panic. This vulnerability has been patched in version 19.0.1.
CVSS metrics
8 scores · 8 sources · 1 version- CVE.orgCNA3.3LowCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:LDiffers
- OSV · PypiEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · WolfiEcosystem advisory · calculated3.3LowCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:LDiffers
- OSV · ChainguardEcosystem advisory · calculated3.3LowCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:LDiffers
- OSV · Crates.ioEcosystem advisory · calculated3.3LowCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:LDiffers
EPSS trend
Probability
0.32%
Chance of exploitation in the next 30 days
Percentile
24%
Versus all other CVEs
30-day change
0.00 pp
From 0.32% on 20-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundWasmtime
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Bytecodealliance1 product
- wasmtime= 19.0.0 | 19.0.0
Chainguard1 product
- zed< 0.146.3-r0
Crates.Io1 product
- wasmtime≥ 19.0.0, < 19.0.1
Debian1 product
- rust-wasmtime< 21.0.2+dfsg-1
PyPI1 product
- wasmtime≤ 19.0.0
Ubuntu1 product
- rust-wasmtimeAll versions (No fix recorded)
Wolfi1 product
- zed< 0.146.3-r0
7 vendors · 7 products
References
13 links- github.com/bytecodealliance/wasmtime/security/advisories/GHSA-75hq-h6g9-h4q5X Refsource CONFIRMAdvisoryWEBMitigationThird Party Advisory
- github.com/bytecodealliance/wasmtime/commit/7f57d0bb0948fa56cc950278d0db230ed10e8664X Refsource MISCFIXWEBPatch
Show all 13 references
- crates.io/crates/wasmtimePACKAGE