Nicotine+: Decompression of peer messages can exhaust available memory
Priority MEDIUM 43CWE-409Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA.
Summary
Nicotine+ is a graphical client for the Soulseek peer-to-peer network. Prior to version 3.3.11, a modified remote client can send zlib-compressed peer messages containing a decompression bomb, exhausting available memory of the recipient's operating system. This issue has been patched in version 3.3.11.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00301 23rd percentileScored 2026-11-07
Fix Fixed nicotine-plus (nicotine-plus): 3.3.11
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| nicotine-plus | nicotine-plus | before 3.3.11 | 3.3.11 | Patch available | CNA |
- nicotine-plus Vendornicotine-plus Affected before 3.3.11 Fixed in 3.3.11 Patch available CNA
Remediation
- Fix · CNA nicotine-plus (nicotine-plus) Fixed in 3.3.11
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2026-68911
References
Other 4
- https://github.com/nicotine-plus/nicotine-plus/security/advisories/GHSA-8w4c-p7mj-g886
- https://github.com/nicotine-plus/nicotine-plus/pull/3646
- https://github.com/nicotine-plus/nicotine-plus/commit/61de347fbaaab02eae1606df4f95d9dc17066d4c
- https://github.com/nicotine-plus/nicotine-plus/releases/tag/3.3.11
More nicotine-plus vulnerabilities
- TI-2021-20880 Denial of service (DoS) vulnerability in Nicotine+ 3.0.3 and later allows a user with a… CVSS 3.1HIGH 7.5
Sources
- CVE-2026-68911 · CVE Program
- CVE-2026-68911 · NVD
- FIRST EPSS
- CVE-2026-68911 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences