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bytecode alliance

Security Risk Profile

41
/100
medium

Security Risk Score

Comprehensive risk assessment based on 30 vulnerabilities, EPSS scores, exploitation status, and remediation availability.

📅 Data spans from May 6, 2024 to present

30
Total CVEs
6
Critical+High
0
Exploited
2
Unpatched

Threat Assessment

Avg CVSS
6.3
Base severity
Avg EPSS
0%
Exploit probability
Unpatched
2
Critical/High
Risk Level
41/100
medium
📈 26 in Last 30 Days

Severity Distribution

Critical
3
High
3
Medium
20
Low
4

Exploit Likelihood

>50% chance
0
20-50%
0
5-20%
0
<5%
2

Age Distribution

Common Weaknesses (CWE)

1
Integer Overflow
2
2
Use After Free
2
3
Buffer Overflow
2
4
Input Validation
1
5
Race Condition
1

Most Affected Products

1. ubuntu/rust-wasmtime52
2. debian/rust-wasmtime34
3. Bytecode Alliance Wasmtime25
4. rust/wasmtime15
5. Bytecode Alliance WebAssembly Micro Runtime (WAMR)2

Recent Vulnerabilities

See more →
GHSA-jjv3-x3jf-cg49
CVSS 8.8high

WAMR fast interpreter loader heap buffer overflow via constant deduplication mismatch

Nov 5, 2026🔧 No Patch
CVE-2026-54913
CVSS 6.9medium

WebAssembly Micro Runtime: Missing `ref.null` heap-type validation in `load_init_expr` leaks host stack memory to the WebAssembly guest

Nov 5, 2026🔧 No Patch
GHSA-frwm-5hpr-2hq2
CVSS 6.9medium

WebAssembly Micro Runtime: Missing `ref.null` heap-type validation in `load_init_expr` leaks host stack memory to the WebAssembly guest

Nov 5, 2026🔧 No Patch
CVE-2026-115893
CVSS 9.9critical

Wasmtime: Cranelift backend on aarch64 can jump to incorrect target on large Wasm `br_table` instruction

Oct 23, 2026
CVE-2026-115889
CVSS 9.9critical

Wasmtime: Bit-packing in Cranelift compiler causes silent overflow and miscompilation

Oct 23, 2026
CVE-2026-115892
CVSS 5.7medium

Wasmtime: Panic lowering a host-created component model stream into a guest that expects a different payload type

Oct 23, 2026
CVE-2026-115391
CVSS 6.9medium

Wasmtime 46.0.0 before 46.0.3 and 47.0.0 before 47.0.4 Unbounded Heap Allocation via WASIp3 Streams

Oct 22, 2026🔧 No Patch
RUSTSEC-2026-0268
CVSS 6.9medium

Wasmtime 46.0.0 before 46.0.3 and 47.0.0 before 47.0.4 Unbounded Heap Allocation via WASIp3 Streams

Oct 22, 2026🔧 No Patch
GHSA-x84v-gj2h-g759
CVSS 6.9medium

Wasmtime 46.0.0 before 46.0.3 and 47.0.0 before 47.0.4 Unbounded Heap Allocation via WASIp3 Streams

Oct 22, 2026🔧 No Patch
GHSA-j2g9-4prp-pf6h
CVSS 6.9medium

Wasmtime before 36.0.16, 37.0.0 before 48.0.3, and 49.0.0 before 49.0.1 Host Panic via WASI Filesystem Timestamp Overflow

Oct 22, 2026🔧 No Patch

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bytecode alliance Security Vulnerabilities & Risk Score | 30 CVEs | SecAlerts - SecAlerts