CVE-2023-54396CWE-129

CVE-2023-54396

Medium · published September 9, 2026

CVSS v3.1
6.5
EPSS
0%
Percentile
30.3
In the wild
Unconfirmed
What it is

PocketMine-MP versions before 4.8.1 fail to validate dye color IDs in banner NBT data during deserialization. Attackers can provide invalid color values in inventory transactions or via commands to trigger undefined offset errors and crash the server.

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
7.1 · 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
0.00376 · 30.3th percentile
Weakness
CWE-129 · Improper Validation of Array Index
Published
2026-09-09T18:17Z
References (3)
https://github.com/pmmp/PocketMine-MP/commit/08b9495bce2d65a6d1d3eeb76e484499a00765eb · [email protected]https://github.com/pmmp/PocketMine-MP/security/advisories/GHSA-wqqv-jcfr-9f5g · [email protected]https://www.vulncheck.com/advisories/pocketmine-mp-before-4.8.1-server-crash-via-banner-nbt · [email protected]
EPSS history
Timeline
  • 11 SEP 03:12Z
    EPSS moved — → 0%
    epss
  • 09 SEP 13:31Z
    PocketMine-MP before 4.8.1 Server Crash via Banner NBT
    cvelistv5