# SBOM for numcodecs-wasm 0.2.5 > numcodecs compression for codecs compiled to WebAssembly The Python package numcodecs-wasm 0.2.5 ships 4 SBOM files (CycloneDX) inside its wheels, under `.dist-info/sboms/` ([PEP 770](https://peps.python.org/pep-0770/)). Its wheels carry a verified PEP 740 attestation. - Package URL (PURL): `pkg:pypi/numcodecs-wasm@0.2.5` - PyPI: https://pypi.org/project/numcodecs-wasm/0.2.5/ - Requires Python: \>=3.10 ## SBOMs ### numcodecs\_wasm-0.2.5-cp310-abi3-macosx\_10\_12\_x86\_64.whl PEP 740 attestation verified (GitHub, juntyr/numcodecs-rs, workflow publish-numcodecs-wasm.yml). - [numcodecs\_wasm-0.2.5.dist-info/sboms/numcodecs-wasm.cyclonedx.json](https://pypi.sbomify.com/artifact/d98df0ec-3157-5847-905a-91c5559f6a1b/download): CycloneDX/1.5, `application/vnd.cyclonedx+json`, valid, 40 known vulnerabilities ### numcodecs\_wasm-0.2.5-cp310-abi3-macosx\_11\_0\_arm64.whl PEP 740 attestation verified (GitHub, juntyr/numcodecs-rs, workflow publish-numcodecs-wasm.yml). - [numcodecs\_wasm-0.2.5.dist-info/sboms/numcodecs-wasm.cyclonedx.json](https://pypi.sbomify.com/artifact/1f6e7ea4-834f-566a-b569-3b63ee6a10ad/download): CycloneDX/1.5, `application/vnd.cyclonedx+json`, valid, 40 known vulnerabilities ### numcodecs\_wasm-0.2.5-cp310-abi3-manylinux\_2\_17\_x86\_64.manylinux2014\_x86\_64.whl PEP 740 attestation verified (GitHub, juntyr/numcodecs-rs, workflow publish-numcodecs-wasm.yml). - [numcodecs\_wasm-0.2.5.dist-info/sboms/numcodecs-wasm.cyclonedx.json](https://pypi.sbomify.com/artifact/a0637c76-7426-52a6-ad1a-f8e7dd6889e4/download): CycloneDX/1.5, `application/vnd.cyclonedx+json`, valid, 40 known vulnerabilities ### numcodecs\_wasm-0.2.5-cp310-abi3-pyemscripten\_2026\_0\_wasm32.whl PEP 740 attestation verified (GitHub, juntyr/numcodecs-rs, workflow publish-numcodecs-wasm.yml). - [numcodecs\_wasm-0.2.5.dist-info/sboms/numcodecs-wasm.cyclonedx.json](https://pypi.sbomify.com/artifact/95909980-2c96-5852-b9e9-eecb6b28cf22/download): CycloneDX/1.5, `application/vnd.cyclonedx+json`, valid, 4 known vulnerabilities ## Known vulnerabilities Components listed in these SBOMs, matched against the [OSV database](https://osv.dev/) as of 2026-11-09. | Vulnerability | Severity | Component | Fixed in | Summary | |---|---|---|---|---| | [CVE-2026-115889](https://insights.sbomify.com/CVE-2026-115889/) | critical (9.9) | wasmtime 37.0.3 (crates.io) | 43.0.0 | Bit-packing in Cranelift compiler causes silent overflow and miscompilation | | [CVE-2026-115893](https://insights.sbomify.com/CVE-2026-115893/) | critical (9.9) | wasmtime 37.0.3 (crates.io) | 48.0.7 | Cranelift backend on aarch64 can jump to incorrect target on large Wasm \`br\_table\` instruction | | [CVE-2026-34987](https://insights.sbomify.com/CVE-2026-34987/) | critical (9.2) | wasmtime 37.0.3 (crates.io) | 42.0.2 | Wasmtime with Winch compiler backend may allow a sandbox-escaping memory access | | [CVE-2026-34971](https://insights.sbomify.com/CVE-2026-34971/) | critical (9.0) | wasmtime 37.0.3 (crates.io) | 42.0.2 | Miscompiled guest heap access enables sandbox escape on aarch64 Cranelift | | [CVE-2026-115392](https://insights.sbomify.com/CVE-2026-115392/) | high (8.8) | wasmtime 37.0.3 (crates.io) | 46.0.3 | Filesystem sandbox escape when paths or symlinks contain trailing slashes | | [RUSTSEC-2026-0176](https://osv.dev/vulnerability/RUSTSEC-2026-0176) | high (8.7) | pyo3 0.26.0 (crates.io) | 0.29.0 | Out-of-bounds read in \`nth\` / \`nth\_back\` for \`PyList\` and \`PyTuple\` iterators | | [CVE-2026-34941](https://insights.sbomify.com/CVE-2026-34941/) | high (8.1) | wasmtime 37.0.3 (crates.io) | 42.0.2 | Heap OOB read in component model UTF-16 to latin1+utf16 string transcoding | | [CVE-2026-34943](https://insights.sbomify.com/CVE-2026-34943/) | high (7.5) | wasmtime 37.0.3 (crates.io) | 42.0.2 | Panic when lifting \`flags\` component value | | [CVE-2026-34946](https://insights.sbomify.com/CVE-2026-34946/) | high (7.5) | wasmtime 37.0.3 (crates.io) | 42.0.2 | Host panic when Winch compiler executes \`table.fill\` | | [CVE-2026-27204](https://insights.sbomify.com/CVE-2026-27204/) | medium (6.9) | wasmtime 37.0.3 (crates.io) | 40.0.4 | Guest-controlled resource exhaustion in WASI implementations | | [CVE-2026-27572](https://insights.sbomify.com/CVE-2026-27572/) | medium (6.9) | wasmtime 37.0.3 (crates.io) | 40.0.4 | Panic adding excessive fields to a \`wasi:http/types.fields\` instance | | [CVE-2026-34942](https://insights.sbomify.com/CVE-2026-34942/) | medium (6.5) | wasmtime 37.0.3 (crates.io) | 42.0.2 | Panic when transcoding misaligned component model UTF-16 strings | | [CVE-2026-34945](https://insights.sbomify.com/CVE-2026-34945/) | medium (6.5) | wasmtime 37.0.3 (crates.io) | 42.0.2 | Host data leakage with 64-bit tables and Winch | | [RUSTSEC-2026-0177](https://osv.dev/vulnerability/RUSTSEC-2026-0177) | medium (6.3) | pyo3 0.26.0 (crates.io) | 0.29.0 | Missing \`Sync\` bound on \`PyCFunction::new\_closure\` closures | | [CVE-2026-119134](https://insights.sbomify.com/CVE-2026-119134/) | medium (6.2) | wasmtime 37.0.3 (crates.io) | 48.0.6 | Component-model handle tables are capped only per instance and charged to no limit | | [CVE-2026-35186](https://insights.sbomify.com/CVE-2026-35186/) | medium (6.1) | wasmtime 37.0.3 (crates.io) | 42.0.2 | Improperly masked return value from \`table.grow\` with Winch compiler backend | | [CVE-2026-35195](https://insights.sbomify.com/CVE-2026-35195/) | medium (6.1) | wasmtime 37.0.3 (crates.io) | 42.0.2 | Out-of-bounds write or crash when transcoding component model strings | | [CVE-2026-44216](https://insights.sbomify.com/CVE-2026-44216/) | medium (5.9) | wasmtime 37.0.3 (crates.io) | 43.0.2 | Panic when allocating a table exceeding the size of the host's address space | | [CVE-2026-34944](https://insights.sbomify.com/CVE-2026-34944/) | medium (5.7) | wasmtime 37.0.3 (crates.io) | 42.0.2 | Wasmtime segfault or unused out-of-sandbox load with \`f64x2.splat\` operator on Cranelift x86-64 | | [CVE-2026-24116](https://insights.sbomify.com/CVE-2026-24116/) | medium (4.1) | wasmtime 37.0.3 (crates.io) | 40.0.3 | Wasmtime segfault or unused out-of-sandbox load with \`f64.copysign\` operator on x86-64 | | [CVE-2026-115393](https://insights.sbomify.com/CVE-2026-115393/) | low (3.8) | wasmtime 37.0.3 (crates.io) | 46.0.2 | Stores can mix up type indices between engines | | [CVE-2026-34988](https://insights.sbomify.com/CVE-2026-34988/) | low (2.3) | wasmtime 37.0.3 (crates.io) | 42.0.2 | Data leakage between pooling allocator instances | | [CVE-2026-115389](https://insights.sbomify.com/CVE-2026-115389/) | low (1.0) | wasmtime 37.0.3 (crates.io) | 48.0.3 | Dynamic record lifting can allocate beyond the hostcall fuel limit | | [RUSTSEC-2026-0204](https://osv.dev/vulnerability/RUSTSEC-2026-0204) | unknown | crossbeam-epoch 0.9.18 (crates.io) | 0.9.20 | Invalid pointer dereference in \`fmt::Pointer\` impl for \`Atomic\` and \`Shared\` when the underlying pointer is invalid | | [RUSTSEC-2025-0057](https://osv.dev/vulnerability/RUSTSEC-2025-0057) | unknown | fxhash 0.2.1 (crates.io) | none listed | fxhash - no longer maintained | | [RUSTSEC-2026-0424](https://osv.dev/vulnerability/RUSTSEC-2026-0424) | unknown | wasmtime 37.0.3 (crates.io) | 48.0.8 | Unchecked memory usage in transferring borrowed resources between components | | [RUSTSEC-2026-0391](https://osv.dev/vulnerability/RUSTSEC-2026-0391) | unknown | zstd 0.13.3 (crates.io) | 0.13.4 | Data from an abandoned stream leaks into the next stream on a reused context | | [RUSTSEC-2026-0395](https://osv.dev/vulnerability/RUSTSEC-2026-0395) | unknown | zstd-safe 7.2.4 (crates.io) | 7.4.0 | Use-after-free with \`CParameter::StableInBuffer\` | | [RUSTSEC-2026-0396](https://osv.dev/vulnerability/RUSTSEC-2026-0396) | unknown | zstd-safe 7.2.4 (crates.io) | 7.4.0 | \`Seekable\` reads a NULL or out-of-bounds seek table | | [RUSTSEC-2026-0397](https://osv.dev/vulnerability/RUSTSEC-2026-0397) | unknown | zstd-safe 7.2.4 (crates.io) | 7.4.0 | \`OutBuffer::around\_pos\` exposes uninitialized memory | | [RUSTSEC-2026-0398](https://osv.dev/vulnerability/RUSTSEC-2026-0398) | unknown | zstd-safe 7.2.4 (crates.io) | 7.4.0 | \`Seekable::decompress\` sets a \`Vec\` length beyond its capacity for offsets past the end | | [RUSTSEC-2026-0399](https://osv.dev/vulnerability/RUSTSEC-2026-0399) | unknown | zstd-safe 7.2.4 (crates.io) | 7.4.0 | Use-after-free through \`init\_using\_cdict\` and \`init\_using\_ddict\` | | [RUSTSEC-2026-0400](https://osv.dev/vulnerability/RUSTSEC-2026-0400) | unknown | zstd-safe 7.2.4 (crates.io) | 7.4.0 | Use-after-free of a dictionary after a one-shot call on a context with an open stream | | [RUSTSEC-2026-0401](https://osv.dev/vulnerability/RUSTSEC-2026-0401) | unknown | zstd-safe 7.2.4 (crates.io) | 7.4.0 | Out-of-bounds read in \`train\_from\_buffer\` when sample sizes overflow | | [RUSTSEC-2026-0402](https://osv.dev/vulnerability/RUSTSEC-2026-0402) | unknown | zstd-safe 7.2.4 (crates.io) | 7.4.0 | Heap buffer overflow in \`CCtx::try\_clone\` on a multithreaded context | | [RUSTSEC-2026-0403](https://osv.dev/vulnerability/RUSTSEC-2026-0403) | unknown | zstd-safe 7.2.4 (crates.io) | 7.4.0 | Uninitialized memory exposed when streaming decompression of a legacy frame fails | | [RUSTSEC-2026-0404](https://osv.dev/vulnerability/RUSTSEC-2026-0404) | unknown | zstd-safe 7.2.4 (crates.io) | 7.4.0 | Double free in \`DCtx::try\_clone\` | | [RUSTSEC-2026-0405](https://osv.dev/vulnerability/RUSTSEC-2026-0405) | unknown | zstd-safe 7.2.4 (crates.io) | 7.4.0 | Out-of-bounds read with an out-of-range \`InBuffer::pos\` | | [RUSTSEC-2026-0406](https://osv.dev/vulnerability/RUSTSEC-2026-0406) | unknown | zstd-safe 7.2.4 (crates.io) | 7.4.0 | Use-after-free when changing a multithreaded context with an unfinished frame | | [RUSTSEC-2026-0410](https://osv.dev/vulnerability/RUSTSEC-2026-0410) | unknown | zstd-sys 2.0.16+zstd.1.5.7 (crates.io) | 2.1.2 | WebAssembly allocator shim corrupts memory on allocation failure | ## Fetch it over TEA This SBOM is served over the [Transparency Exchange API](https://github.com/CycloneDX/transparency-exchange-api) (TEA). With the `libtea` client: ``` pip install libtea python -m libtea https://pypi.sbomify.com pkg:pypi/numcodecs-wasm@0.2.5 ``` Machine-readable copy of this page: https://pypi.sbomify.com/package/numcodecs-wasm/0.2.5.json --- From pypi-tea by sbomify: https://pypi.sbomify.com/package/numcodecs-wasm/0.2.5