CVE-2022-51017
CVSS v3
7.5
HIGH
EPSS Score
—
exploit probability
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
PocketMine-MP versions before 3.26.5 and 4.0.5 fail to validate the length of skin data fields submitted by players, allowing uncapped values to exceed the 32767 byte TAG_String limit. Attackers can submit oversized skin data fields like skinID or geometryName to trigger exceptions during NBT data serialization, causing server crashes.
Technical details
- CVSS v3 Vector
- 3.1
- Published
- 2026-09-07
- Last Modified
- 2026-09-07
Frequently asked questions
What is CVE-2022-51017?
PocketMine-MP versions before 3.26.5 and 4.0.5 fail to validate the length of skin data fields submitted by players, allowing uncapped values to exceed the 32767 byte TAG_String limit. Attackers can submit oversized skin data fields like skinID or geometryName to trigger exceptions during NBT data serialization, causing server crashes.
Is CVE-2022-51017 actively exploited?
Active exploitation of CVE-2022-51017 has not been confirmed. The EPSS score is N/A%, indicating the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2022-51017?
CVE-2022-51017 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string 3.1.
Is CVE-2022-51017 affecting your environment?
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