Skip to content
OpenAdvisories

Package · Wolfi

wasmcloud

39 known vulnerabilities.

22 results · Clear filters · Feed

  • Medium 5.7

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

    Wasmtime is a runtime for WebAssembly. From 46.0.0 until 48.0.7 and 49.0.4, lowering a host-created component-model stream or future into a guest can omit a required payload-type check after the value passes through guest code and returns through StreamAny, F…

  • Medium 6.8
    CVE-2026-111943 Public exploit

    Distrust compromised intermediate certificates in crypto/x509

    On most platforms, Go uses the given system root certificates. However, in some narrower cases, the system trust stores may not be updated without further action. To defend against the narrower set of cases that may remain affected, a denylist was added in cr…

  • Medium 5.3

    OpenTelemetry Rust: Unbounded memory allocation in W3C Baggage propagation

    OpenTelemetry Rust is the Rust OpenTelemetry implementation. In 0.32.0 and earlier, BaggagePropagator::extract_with_context in opentelemetry_sdk did not enforce W3C Baggage size limits before parsing an inbound baggage header, so a large attacker-controlled h…

  • Medium 6.1

    Wasmtime has an out-of-bounds write or crash when transcoding component model strings

    Wasmtime is a runtime for WebAssembly. Prior to 24.0.7, 36.0.7, 42.0.2, and 43.0.1, Wasmtime's implementation of transcoding strings between components contains a bug where the return value of a guest component's realloc is not validated before the host attem…

  • Medium 6.1

    Wasmtime has an improperly masked return value from `table.grow` with Winch compiler backend

    Wasmtime is a runtime for WebAssembly. From 25.0.0 to before 36.0.7, 42.0.2, and 43.0.1, Wasmtime's Winch compiler backend contains a bug where translating the table.grow operator causes the result to be incorrectly typed. For 32-bit tables this means that th…

  • Medium 5.9

    Wasmtime's host panics when Winch compiler executes `table.fill`

    Wasmtime is a runtime for WebAssembly. From 25.0.0 to before 36.0.7, 42.0.2, and 43.0.1, Wasmtime's Winch compiler contains a vulnerability where the compilation of the table.fill instruction can result in a host panic. This means that a valid guest can be co…

  • Medium 4.1

    Wasmtime segfault or unused out-of-sandbox load with `f64x2.splat` operator on x86-64

    Wasmtime is a runtime for WebAssembly. Prior to 24.0.7, 36.0.7, 42.0.2, and 43.0.1, On x86-64 platforms with SSE3 disabled Wasmtime's compilation of the f64x2.splat WebAssembly instruction with Cranelift may load 8 more bytes than is necessary. When signals-b…

  • Medium 5.6

    Wasmtime panics when lifting `flags` component value

    Wasmtime is a runtime for WebAssembly. Prior to 24.0.7, 36.0.7, 42.0.2, and 43.0.1, Wasmtime contains a possible panic which can happen when a flags-typed component model value is lifted with the Val type. If bits are set outside of the set of flags the compo…

  • Medium 5.9

    Wasmtime panics when transcoding misaligned utf-16 strings

    Wasmtime is a runtime for WebAssembly. Prior to 24.0.7, 36.0.7, 42.0.2, and 43.0.1, Wasmtime's implementation of transcoding strings into the Component Model's utf16 or latin1+utf16 encodings improperly verified the alignment of reallocated strings. This mean…

  • Medium 6.9

    Wasmtime has a Heap OOB read in component model UTF-16 to latin1+utf16 string transcoding

    Wasmtime is a runtime for WebAssembly. Prior to 24.0.7, 36.0.7, 42.0.2, and 43.0.1, Wasmtime contains a vulnerability where when transcoding a UTF-16 string to the latin1+utf16 component-model encoding it would incorrectly validate the byte length of the inpu…

  • Medium 5.1

    tar-rs: unpack_in can chmod arbitrary directories by following symlinks

    tar-rs is a tar archive reading/writing library for Rust. In versions 0.4.44 and below, when unpacking a tar archive, the tar crate's unpack_dir function uses fs::metadata() to check whether a path that already exists is a directory. Because fs::metadata() fo…

  • Medium 5.1

    tar-rs incorrectly ignores PAX size headers if header size is nonzero

    tar-rs is a tar archive reading/writing library for Rust. Versions 0.4.44 and below have conditional logic that skips the PAX size header in cases where the base header size is nonzero. As part of CVE-2025-62518, the astral-tokio-tar project was changed to co…

  • Medium 6.9

    Wasmtime can panic when adding excessive fields to a `wasi:http/types.fields` instance

    Wasmtime is a runtime for WebAssembly. Prior to versions 24.0.6, 36.0.6, 4.0.04, 41.0.4, and 42.0.0, Wasmtime's implementation of the `wasi:http/types.fields` resource is susceptible to panics when too many fields are added to the set of headers. Wasmtime's i…

  • Medium 6.9

    Wasmtime WASI implementations are vulnerable to guest-controlled resource exhaustion

    Wasmtime is a runtime for WebAssembly. Prior to versions 24.0.6, 36.0.6, 4.0.04, 41.0.4, and 42.0.0, Wasmtime's implementation of WASI host interfaces are susceptible to guest-controlled resource exhaustion on the host. Wasmtime did not appropriately place li…

  • Medium 6.8

    time affected by a stack exhaustion denial of service attack

    time provides date and time handling in Rust. From 0.3.6 to before 0.3.47, when user-provided input is provided to any type that parses with the RFC 2822 format, a denial of service attack via stack exhaustion is possible. The attack relies on formally deprec…

  • Medium 5.5
    CVE-2026-25541 Public exploit

    Bytes is vulnerable to integer overflow in BytesMut::reserve

    Bytes is a utility library for working with bytes. From version 1.2.1 to before 1.11.1, Bytes is vulnerable to integer overflow in BytesMut::reserve. In the unique reclaim path of BytesMut::reserve, if the condition "v_capacity >= new_cap + offset" uses an un…

  • Medium 5.5

    jsonwebtoken has Type Confusion that leads to potential authorization bypass

    jsonwebtoken is a JWT lib in rust. Prior to version 10.3.0, there is a Type Confusion vulnerability in jsonwebtoken, specifically, in its claim validation logic. When a standard claim (such as nbf or exp) is provided with an incorrect JSON type (Like a String…

  • Medium 4.1

    Wasmtime segfault or unused out-of-sandbox load with f64.copysign operator on x86-64

    Wasmtime is a runtime for WebAssembly. Starting in version 29.0.0 and prior to version 36.0.5, 40.0.3, and 41.0.1, on x86-64 platforms with AVX, Wasmtime's compilation of the `f64.copysign` WebAssembly instruction with Cranelift may load 8 more bytes than is …

  • Medium 5.1

    idna accepts Punycode labels that do not produce any non-ASCII when decoded

    Improper Validation of Unsafe Equivalence in punycode by the idna crate from Servo rust-url allows an attacker to create a punycode hostname that one part of a system might treat as distinct while another part of that system would treat as equivalent to anoth…

  • Medium 6.5

    Crossbeam-channel: crossbeam-channel vulnerable to double free on drop

    In crossbeam-channel rust crate, the internal `Channel` type's `Drop` method has a race condition which could, in some circumstances, lead to a double-free that could result in memory corruption.

  • Medium 5.3

    Ring: some aes functions may panic when overflow checking is enabled in ring

    A flaw was found in Rust's Ring package. A panic may be triggered when overflow checking is enabled. In the QUIC protocol, this flaw allows an attacker to induce this panic by sending a specially crafted packet. It will likely occur unintentionally in 1 out o…

  • Medium 5.5

    Wasmtime runtime crash when combining tail calls with trapping imports

    Wasmtime is an open source runtime for WebAssembly. Wasmtime's implementation of WebAssembly tail calls combined with stack traces can result in a runtime crash in certain WebAssembly modules. The runtime crash may be undefined behavior if Wasmtime was compil…