CVE-2023-42447

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    CVE-2023-42447

    Published: 19 Sept 2023Last Modified: 12 Aug 2026

    Summary: blurhash panics on parsing crafted inputs

    Details: blurhash-rs is a pure Rust implementation of Blurhash, software for encoding images into ASCII strings that can be turned into a gradient of colors representing the original image. In version 0.1.1, the blurhash parsing code may panic due to multiple panic-guarded out-of-bounds accesses on untrusted input. In a typical deployment, this may get triggered by feeding a maliciously crafted blurhashes over the network. These may include UTF-8 compliant strings containing multi-byte UTF-8 characters. A patch is available in version 0.2.0, which requires user intervention because of slight API churn. No known workarounds are available.

    References: https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/42xxx/CVE-2023-42447.json, https://github.com/whisperfish/blurhash-rs/security/advisories/GHSA-cxvp-82cq-57h2, https://nvd.nist.gov/vuln/detail/CVE-2023-42447

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- ef38509dda21e52a38e5e37636377d8aed753edd
    Fixed -None

    Affected versions

    0.1.1

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    CVE-2023-42447 | CVE-DB