PYSEC-2026-687

    Dashboard / Vulnerabilities / PYSEC-2026-687

    PYSEC-2026-687

    Published: 2 Jul 2026Last Modified: 6 Jul 2026

    Summary: Nicotine+ DoS on Null Character in Download Request

    Details: Denial of service (DoS) vulnerability in Nicotine+ starting with version 3.0.3 and prior to version 3.2.1 allows a user with a modified Soulseek client to crash Nicotine+ by sending a file download request with a file path containing a null character.

    References: https://nvd.nist.gov/vuln/detail/CVE-2021-45848, https://github.com/nicotine-plus/nicotine-plus/issues/1777, https://github.com/nicotine-plus/nicotine-plus/commit/0e3e2fac27a518f0a84330f1ddf1193424522045, https://github.com/nicotine-plus/nicotine-plus, https://lists.fedoraproject.org/archives/list/[email protected]/message/HWYV53KERFH2EC4XI2IVVQFTV75E5XM6, https://security.gentoo.org/glsa/202210-20, https://pypi.org/project/nicotine-plus, https://github.com/advisories/GHSA-p4v2-r99v-wjc2

    Affected packages

    Package

    Name: nicotine-plus

    Purl: pkg:pypi/nicotine-plus

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 3.0.3
    Fixed -3.2.1

    Affected versions

    3.0.3
    3.0.4
    3.0.5
    3.0.6

    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
    PYSEC-2026-687 | CVE-DB