pmmp PocketMine-MP up to 5.32.0 denial of service

Summaryinfo

A vulnerability classified as problematic has been found in pmmp PocketMine-MP up to 5.32.0. The affected element is an unknown function of the component ResourcePackClientResponsePacket STATUS_SEND_PACKS Handler. Performing a manipulation results in denial of service. This vulnerability is known as CVE-2025-71417. Remote exploitation of the attack is possible. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic has been found in pmmp PocketMine-MP up to 5.32.0. This affects some unknown processing of the component ResourcePackClientResponsePacket STATUS_SEND_PACKS Handler. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. The summary by CVE is:

PocketMine-MP before 5.32.1 fails to validate uniqueness of pack UUIDs in ResourcePackClientResponsePacket STATUS_SEND_PACKS handling, allowing authenticated clients to trigger duplicate pack transmissions. Attackers can send multiple copies of valid pack UUIDs in a single packet to exhaust server memory and cause denial of service.

It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2025-71417 since 09/05/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.

Upgrading to version 5.32.1 eliminates this vulnerability.

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Productinfo

Vendor

• pmmp

Name

• PocketMine-MP

Version

• 5.0
• 5.1
• 5.2
• 5.3
• 5.4
• 5.5
• 5.6
• 5.7
• 5.8
• 5.9
• 5.10
• 5.11
• 5.12
• 5.13
• 5.14
• 5.15
• 5.16
• 5.17
• 5.18
• 5.19
• 5.20
• 5.21
• 5.22
• 5.23
• 5.24
• 5.25
• 5.26
• 5.27
• 5.28
• 5.29
• 5.30
• 5.31
• 5.32.0

Website

• Product: https://github.com/pmmp/PocketMine-MP/

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