Nicotine+ DoS on Null Character in Download Request
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.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Python (PyPI) | nicotine-plus | >= 3.0.3, < 3.2.1 | 3.2.1 |
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/package-announce@lists.fedoraproject.org/message/HWYV53KERFH2EC4XI2IVVQFTV75E5XM6
- https://security.gentoo.org/glsa/202210-20
- https://pypi.org/project/nicotine-plus
- https://github.com/advisories/GHSA-p4v2-r99v-wjc2
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H- Weakness (CWE)
CWE-116- Platform
- Python (PyPI)
- Package
nicotine-plus- Disclosed
- 16.03.2022
- Updated
- 11.10.2026 13:18
Sources and licenses
OSV / GitHub Advisory Database - PYSEC-2026-687 - PyPA Advisory Database; CC BY 4.0
OSV / GitHub Advisory Database - GHSA-p4v2-r99v-wjc2 - CC BY 4.0
Vulnerability history: nicotine-plus
All published vulnerabilities of this package (Python (PyPI)), newest first. Shows whether this is a one-off slip or a package that needs watching.
This is the only known vulnerability of this package.
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