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I. Basic Information for CVE-2026-23749
Vulnerability Information

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Vulnerability Title
Golioth Firmware SDK < 0.22.0 Blockwise Transfer Path Out-of-Bounds Read
Source: NVD (National Vulnerability Database)
Vulnerability Description
Golioth Firmware SDK version 0.19.1 prior to 0.22.0, fixed in commit 0e788217, contain an out-of-bounds read due to improper null termination of a blockwise transfer path. blockwise_transfer_init() accepts a path whose length equals CONFIG_GOLIOTH_COAP_MAX_PATH_LEN and copies it using strncpy() without guaranteeing a trailing NUL byte, leaving ctx->path unterminated. A later strlen() on this buffer (in golioth_coap_client_get_internal()) can read past the end of the allocation, resulting in a crash/denial of service. The input is application-controlled (not network by default).
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
不恰当的空终结符
Source: NVD (National Vulnerability Database)
Vulnerability Title
Golioth Firmware SDK 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Golioth Firmware SDK是Golioth开源的一个软件开发工具包。 Golioth Firmware SDK 0.19.1至0.22.0之前版本存在安全漏洞,该漏洞源于分块传输路径未正确终止,可能导致越界读取和崩溃或拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
GoliothFirmware SDK 0.19.1 ~ 0.22.0 -
II. Public POCs for CVE-2026-23749
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III. Intelligence Information for CVE-2026-23749
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IV. Related Vulnerabilities
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