CVE-2022-51018
PocketMine-MP before 3.26.5 and 4.0.x before 4.0.5 does not limit book page text length, page count, or author/title length. A player who obtains a writable book can create oversized NBT ('book bombs'), causing excess bandwidth consumption and server crashes (exceeding the 1 MB chunk size limit when saving region-based worlds in PM3, or exceeding the 32 KiB TAG_String limit in PM4).
Scoring
- Severity
- HIGH
- CVSS base score
- 7.1
- CVSS vector
- CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
- EPSS probability
- 0.42%
- CWE
- CWE-400
- Published
- 2026-09-07
- Last modified
- 2026-09-08
Affected products
- pmmp PocketMine-MP
- pmmp PocketMine-MP
- pmmp PocketMine-MP
- pmmp PocketMine-MP
Weakness type
Related vulnerabilities
- CVE-2026-88290 — GV-LPC2011/LPC2211 - Unauthenticated VLSVR Slowloris and Memory Resource Exhaustion
- CVE-2026-88286 — GV-LPC2011/LPC2211 - PTZ Connection-State Accept-Loop Denial of Service
- CVE-2026-22591 — Fast DDS DDSSQLFilter Recursive Parser Stack Exhaustion (Remote DoS)
- CVE-2026-86204 — PocketMine-MP before 5.39.2 Denial of Service via ModalFormResponsePacket
- CVE-2026-86201 — PocketMine-MP before 5.41.1 LogDoS via LoginPacket clientData
- CVE-2025-71418 — PocketMine-MP before 5.25.2 Denial of Service via explode
- CVE-2026-53937 — MCP Kotlin SDK's unbounded line buffer in StdioServerTransport/StdioClientTransport leads to memory exhaustion (DoS)
- CVE-2026-82001 — Acrobat Reader | Uncontrolled Resource Consumption (CWE-400)