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CVE-2026-102510— Apache PLC4X: Go binding: unbounded allocation and framing failures on wire-controlled lengths

Quick assessment

Affected
Apache Software Foundation Apache PLC4X
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Apache PLC4X 的 Go 实现（PLC4Go）中存在整数溢出、数组索引验证不当、不可控递归以及使用过大值进行内存分配等缺陷，允许恶意设备或能够注入网络流量的攻击者导致客户端应用程序崩溃或耗尽内存，从而引发拒绝服务（DoS）漏洞。 具体缺陷包括： 生成的解析器会根据网络中声明的元素数量预先分配数组（影响版本 0.13.0 至 0.13.1）。 传输层读取辅助函数会根据网络中声明的大小分配缓冲区，且未设置上限。 ADS 和 KNXnet/IP 响应处理在索引接收数据时未检查其长度，导致程序恐慌（panic）。

CVSS 8.7 · High
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I. Basic Information for CVE-2026-102510

Vulnerability Information
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Vulnerability Title
Apache PLC4X: Go binding: unbounded allocation and framing failures on wire-controlled lengths
Source: CVE Program / CVE List V5
Vulnerability Description
Integer Overflow, Improper Validation of Array Index, Uncontrolled Recursion and Memory Allocation with Excessive Size Value in the Go implementation of Apache PLC4X (PLC4Go) allow a malicious device, or an attacker able to inject network traffic, to crash or exhaust the memory of the client application, causing a denial of service. The individual defects are: - Generated parsers pre-allocate arrays with the element count claimed on the wire (0.13.0 through 0.13.1). - Transport read helpers allocate buffers of the size claimed on the wire without an upper bound. - ADS and KNXnet/IP response handling indexes into received data without checking its length, causing a panic. - ADS and EIP frame-length handling accepts, or arithmetically wraps to, a length of zero, breaking message framing. - Recursive protocol types are parsed without a nesting-depth limit. The same defect in the Java implementation is covered by CVE-2026-102509 https://cveprocess.apache.org/cve5/CVE-2026-102509 . Additionally, length and position arithmetic in generated serializers was performed in 16-bit integers. If an application forwards attacker-influenced payloads larger than 8 KB, the length field wraps, and the remainder of the payload may be interpreted by the receiving device (for example, an ADS PLC) as additional, independent protocol messages. This issue affects Apache PLC4X: from 0.11.0 before 1.0.0. PLC4Go is consumed as the Go module github.com/apache/plc4x/plc4go; versions refer to the corresponding Apache PLC4X releases. Users are recommended to upgrade to version 1.0.0, which fixes the issue.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
未经控制的内存分配
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Apache Software Foundation Apache PLC4X 0.11.0 ~ 1.0.0 -

II. Public POCs for CVE-2026-102510

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III. Intelligence Information for CVE-2026-102510

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Mailing List Discussions for CVE-2026-102510 (1)

Same Patch Batch · Apache Software Foundation · 2026-09-30 · 19 CVEs total

CVE-2026-102508 9.2 CRITICAL Apache PLC4X: OPC UA secure channel: integrity bypass, unverifiable server certificate, an
CVE-2026-94053 9.1 CRITICAL Apache MINA SSHD: LDAP injection in sshd-ldap
CVE-2026-94052 9.1 CRITICAL Apache MINA SSHD: LDAP password authentication ineffective
CVE-2026-77185 9.1 CRITICAL Apache MINA SSHD: Asynchronous authentication can bypass signature verification
CVE-2026-102509 8.7 HIGH Apache PLC4X, Apache PLC4X: Pre-authentication resource exhaustion in the OPC UA driver an
CVE-2026-102511 8.5 HIGH Apache PLC4X, Apache PLC4X, Apache PLC4X, Apache PLC4X: ADS discovery accepts spoofed resp
CVE-2026-93994 8.1 HIGH Apache MINA SSHD: Repeated-publickey policy bypass on server
CVE-2026-94002 7.5 HIGH Apache MINA SSHD: Memory exhaustion in SFTP client via unsolicited SFTP replies
CVE-2026-93995 6.5 MEDIUM Apache MINA SSHD: Remote execution of JGit "archive -o=file.zip" can write file on the ser
CVE-2026-93996 6.5 MEDIUM Apache MINA SSHD: Memory exhaustion DoS via unbounded SCP command line read
CVE-2026-94029 6.5 MEDIUM Apache MINA SSHD: Memory exhaustion in SFTP v6 check-file-name/check-file-handle extension
CVE-2026-88920 Apache WSS4J: SAML Sender-Vouches Authentication Bypass
CVE-2026-87830 Apache WSS4J: Streaming WS-SecurityPolicy validation may skip element-protection checks.
CVE-2026-85532 Apache WSS4J: Insufficient Validation of Derived-Key Parameters
CVE-2026-89238 Apache WSS4J: WSS4J EncryptedHeader child confusion causing wrong protected-header selecti
CVE-2026-95616 Apache WSS4J: Unauthenticated denial of service via integer overflow in DER parsing of X.5
CVE-2026-92121 Apache WSS4J: WS-SecurityPolicy signature checks skipped in the streaming code after an ST
CVE-2026-92899 Apache WSS4J: UsernameToken replay protection bypassed by re-encoding the Nonce

IV. Related Vulnerabilities

Same product: Apache PLC4X
Same vendor: Apache Software Foundation
Same weakness: CWE-789

V. Comments for CVE-2026-102510

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