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CVE-2026-108985

Quick assessment

Affected
sahlberg libnfs
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.

在 libnfs 7613236 之前的 6.0.2 版本中，zdr 解码存在越界写入漏洞，该漏洞与 lib/libnfs-zdr.c 中的 libnfs_zdr_bytes()、libnfs_zdr_string() 和 libnfs_zdr_array() 函数相关。调用方提供的 maxsize 参数未被正确遵守。

CVSS 7.1 · High

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2026-108985

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
ZDR decoding in libnfs through 6.0.2 before 7613236 has an out-of-bounds write related to lib/libnfs-zdr.c with libnfs_zdr_bytes(), libnfs_zdr_string(), and libnfs_zdr_array(). The caller-supplied maxsize value is not honored.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存写
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
sahlberg libnfs 0 ~ 7613236464317bee2d9636f087f995148de4db27 -

II. Public POCs for CVE-2026-108985

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III. Intelligence Information for CVE-2026-108985

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Patches & Fixes for CVE-2026-108985 (1)

IV. Related Vulnerabilities

Same product: libnfs
Same vendor: sahlberg
Same weakness: CWE-787

V. Comments for CVE-2026-108985

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