CVE-2022-51014 PocketMine-MP before 4.0.7 Denial of Service via JSON Decoding

PocketMine-MP before 4.0.7 contains an unhandled exception vulnerability in the ModalFormResponsePacket handler when processing malformed JSON from clients. Attackers can send specially crafted form response packets with invalid JSON to trigger an uncaught InvalidArgumentException, causing server...

CVE-2022-51013 PocketMine-MP before 4.2.3 Denial of Service via NBT Metadata

PocketMine-MP versions before 4.2.3 fail to validate damage metadata values in tool and armor item NBT data received from clients. Attackers can send negative or out-of-range damage values in itemstack NBT to trigger unhandled exceptions in the Durable class, causing server crashes...

CVE-2022-51012 PocketMine-MP before 4.2.9 Denial of Service via NBT Deserialization

PocketMine-MP versions before 4.2.9 fail to properly validate NBT data types during deserialization of inventory transaction packets from clients. Attackers can send crafted inventory transactions with malformed NBT tags to trigger server crashes and cause denial of service...

EUVD-2022-56041

PocketMine-MP versions before 4.2.9 fail to properly validate NBT data types during deserialization of inventory transaction packets from clients. Attackers can send crafted inventory transactions with malformed NBT tags to trigger server crashes and cause denial of service...

CVE-2022-51012 PocketMine-MP before 4.2.9 Denial of Service via NBT Deserialization

PocketMine-MP versions before 4.2.9 fail to properly validate NBT data types during deserialization of inventory transaction packets from clients. Attackers can send crafted inventory transactions with malformed NBT tags to trigger server crashes and cause denial of service...

CVE-2022-51012

PocketMine-MP versions prior to 4.2.9 are vulnerable to a denial-of-service condition caused by insufficient validation of NBT data types during deserialization of inventory transaction packets sent by clients. An authenticated attacker can craft malformed NBT tags within inventory transactions t...

CVE-2022-51011

PocketMine-MP before 4.2.10 is vulnerable to a denial of service caused by insufficient validation of incoming chat message blobs. The server fails to check the total length of chat packets before splitting them on newline characters, allowing a malicious client to send megabyte-sized messages co...

EUVD-2022-56040

PocketMine-MP before 4.2.10 fails to validate the total length of incoming chat message blobs before splitting them by newline characters, allowing attackers to send large messages containing many newlines. Malicious clients can send megabyte-sized chat packets and bombard the server with thousan...

CVE-2022-51010 PocketMine-MP before 4.4.2 Server Crash via Item ID

PocketMine-MP versions before 4.4.2 fail to properly validate item IDs received from clients in itemstack NBT data. Attackers can send crafted item IDs outside the valid range to trigger an uncaught exception that crashes the server...

CVE-2022-51010

PocketMine-MP versions before 4.4.2 fail to properly validate item IDs received from clients in itemstack NBT data . An attacker with a low-privilege client can send a crafted item ID outside the valid range, triggering an uncaught exception that crashes the server, resulting in a high availabili...

CVE-2022-51011 PocketMine-MP before 4.2.10 Denial of Service via Chat Messages

PocketMine-MP before 4.2.10 fails to validate the total length of incoming chat message blobs before splitting them by newline characters, allowing attackers to send large messages containing many newlines. Malicious clients can send megabyte-sized chat packets and bombard the server with thousan...

CVE-2022-51011 PocketMine-MP before 4.2.10 Denial of Service via Chat Messages

PocketMine-MP before 4.2.10 fails to validate the total length of incoming chat message blobs before splitting them by newline characters, allowing attackers to send large messages containing many newlines. Malicious clients can send megabyte-sized chat packets and bombard the server with thousan...

CVE-2026-86435

CVE-2026-86435 affects the PHP League/commonmark library (versions 1.5.0 through before 2.8.4) in its Footnote extension . The root cause is a failure to deduplicate footnote definitions, allowing an attacker to craft a document containing duplicate footnote definitions and references that trigge...

EUVD-2026-72392

league/commonmark versions = 2.0.0 and 2.8.4 patched in 2.9.0 contain a denial of service vulnerability in UniqueSlugNormalizer::normalize, which restarts its numeric-suffix search from 1 on every slug collision, resulting in OK^2 time complexity for K headings that collapse to the same base slug...

CVE-2026-86435 commonmark 1.5.0 before 2.8.4 Denial of Service via Footnote

commonmark versions from 1.5.0 before 2.8.4 contain a denial of service vulnerability in the Footnote extension that fails to deduplicate footnote definitions. Attackers can craft documents with duplicate footnote definitions and references to create quadratic output expansion, consuming excessiv...

EUVD-2026-72393

commonmark versions from 1.5.0 before 2.8.4 contain a denial of service vulnerability in the Footnote extension that fails to deduplicate footnote definitions. Attackers can craft documents with duplicate footnote definitions and references to create quadratic output expansion, consuming excessiv...

CVE-2026-86434 commonmark 2.0.0 through 2.8.3 Denial of Service via Slug Collision

league/commonmark versions = 2.0.0 and 2.8.4 patched in 2.9.0 contain a denial of service vulnerability in UniqueSlugNormalizer::normalize, which restarts its numeric-suffix search from 1 on every slug collision, resulting in OK^2 time complexity for K headings that collapse to the same base slug...

CVE-2026-86434

league/commonmark (PHP) versions ≥ 2.0.0 and

CVE-2026-86435

commonmark versions from 1.5.0 before 2.8.4 contain a denial of service vulnerability in the Footnote extension that fails to deduplicate footnote definitions. Attackers can craft documents with duplicate footnote definitions and references to create quadratic output expansion, consuming excessiv...

CVE-2026-86433 commonmark 1.5.0 before 2.8.4 Denial of Service via Attributes

commonmark versions from 1.5.0 before 2.8.4 contain a denial of service vulnerability in the Attributes extension where AttributesListener::findTargetAndDirection performs quadratic-time sibling list scanning. Unauthenticated attackers can submit approximately 32 KB of repeated attribute blocks t...