CVE-2023-47627

    Dashboard / Vulnerabilities / CVE-2023-47627

    CVE-2023-47627

    Published: 14 Nov 2023Last Modified: 28 Oct 2026

    Summary: Request smuggling in aiohttp

    Details: aiohttp is an asynchronous HTTP client/server framework for asyncio and Python. The HTTP parser in AIOHTTP has numerous problems with header parsing, which could lead to request smuggling. This parser is only used when AIOHTTP_NO_EXTENSIONS is enabled (or not using a prebuilt wheel). These bugs have been addressed in commit `d5c12ba89` which has been included in release version 3.8.6. Users are advised to upgrade. There are no known workarounds for these issues.

    References: https://lists.debian.org/debian-lts-announce/2025/02/msg00002.html, https://lists.fedoraproject.org/archives/list/[email protected]/message/FUSJVQ7OQ55RWL4XAX2F5EZ73N4ZSH6U/, https://lists.fedoraproject.org/archives/list/[email protected]/message/VDKQ6HM3KNDU4OQI476ZWT4O7DMSIT35/, https://lists.fedoraproject.org/archives/list/[email protected]/message/WQYQL6WV535EEKSNH7KRARLLMOW5WXDM/, https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/47xxx/CVE-2023-47627.json, https://github.com/aio-libs/aiohttp/security/advisories/GHSA-gfw2-4jvh-wgfg, https://nvd.nist.gov/vuln/detail/CVE-2023-47627, https://github.com/aio-libs/aiohttp/commit/d5c12ba890557a575c313bb3017910d7616fce3d

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -996de2629ef6b4c2934a7c04dfd49d0950d4c43b

    Affected versions

    v3.8.5
    v3.8.4
    v3.8.2a0
    v3.8.1
    v3.8.0

    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-2023-47627 | CVE-DB