MariaDB Connector/J: Rogue server can drive large heap allocations from server-declared lengths in OK packets

Özet

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MariaDB Connector/J is used to connect applications developed in Java to MariaDB and MySQL databases. From 3.0.0 until 3.3.7, 3.4.5, and 3.5.11, when CLIENT_SESSION_TRACK was negotiated, the OkPacket.parse() and OkPacket.parseWithInfo() paths allocated byte arrays using server-declared lengths for the OK packet info field and session-state variable names and values before confirming that the bytes remained in the packet. A malicious or compromised server, or a machine-in-the-middle attacker, could send a small OK packet declaring a much larger length and repeatedly force attacker-controlled heap allocations before the subsequent copy failed. This could create garbage-collection pressure or an OutOfMemoryError in the client application. This issue is fixed in versions 3.3.7, 3.4.5, and 3.5.11.

Etkilenen sürümler1 yazılım

Kaynaklar9 kaynak

• CVE.org kaydı
• NVD kaydı
• github.com/…ctor-j/security/advisories/GHSA-h599-m3w5-9m7x Diğer
• github.com/…ommit/b9e1ee8d9b4d820d70719504cdfd5c97f1aede5f Diğer
• github.com/…ommit/beb445fcf9294113878fc05ac77f0efdf0596ac6 Diğer
• github.com/…ommit/ea8c7b6537e50053444188a9a3fd9cae99550f56 Diğer
• github.com/…oration/mariadb-connector-j/releases/tag/3.3.7 Diğer
• github.com/…oration/mariadb-connector-j/releases/tag/3.4.5 Diğer
• github.com/…ration/mariadb-connector-j/releases/tag/3.5.11 Diğer

Kayıt geçmişi

1. 29 Eki 2026 23:47Yayımlandı

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