CVE-2026-68911: Nicotine+: Decompression of peer messages can exhaust available memory

Published Sep 29, 2026
·
Updated

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.

Affected Software

1 affected component
Nicotine+ Nicotine+<3.3.11

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade Nicotine+ to a version that resolves this vulnerability.

    Fixed in 3.3.11

Event History

Sep 29, 2026
CVE Published
via MITRE·02:59 PM
Data Sourced
via MITRE·02:59 PM
DescriptionWeakness
Data Sourced
via NVD·03:17 PM
DescriptionSeverityWeakness

Frequently Asked Questions

1

Who can exploit this issue?

A modified remote Soulseek client can exploit the issue by sending a crafted zlib-compressed peer message to a vulnerable Nicotine+ client.

2

Which installations are affected?

Nicotine+ versions prior to 3.3.11 are affected. The issue is patched in version 3.3.11.

3

What is the impact of successful exploitation?

Processing a decompression bomb can exhaust the recipient operating system's available memory.

Contact

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