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CVE-2026-107635— Dislocker through 0.7.3 Out-of-Bounds Heap Read via VMK/FVEK Datum Size Underflow

Quick assessment

Affected
Aorimn dislocker
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.

Dislocker 0.7.3 及之前版本在 get_vmk() 和 get_fvek() 函数中存在整数下溢漏洞，攻击者可通过构造特定大小的数据项（datum sizes）触发越界堆内存读取。攻击者可以提供一个恶意的 BitLocker 卷镜像，其中数据项大小小于 36 字节的 AES-CCM 头部长度，从而导致 hexdump() 函数发生越界读取，并最终使 dislocker 程序崩溃。

CVSS 5.5 · Medium

Possible ATT&CK Techniques 1 AI

T1210 · Exploitation of Remote Services

Affected Version Matrix 1

VendorProduct Version RangeStatus
Aorimn dislocker ≤ 0.7.3 affected
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I. Basic Information for CVE-2026-107635

Vulnerability Information
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Vulnerability Title
Dislocker through 0.7.3 Out-of-Bounds Heap Read via VMK/FVEK Datum Size Underflow
Source: CVE Program / CVE List V5
Vulnerability Description
Dislocker through 0.7.3 contains an integer underflow vulnerability in get_vmk() and get_fvek() that allows attackers to trigger out-of-bounds heap reads via crafted datum sizes. Attackers can supply a malicious BitLocker volume image with a datum_size smaller than the 36-byte AES-CCM header, causing hexdump() to over-read and crash dislocker.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
整数下溢(超界折返)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Aorimn dislocker 0 ~ 0.7.3 -

II. Public POCs for CVE-2026-107635

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III. Intelligence Information for CVE-2026-107635

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Patches & Fixes for CVE-2026-107635 (3)

Other References for CVE-2026-107635 (2)

IV. Related Vulnerabilities

Same product: dislocker
Same vendor: Aorimn
Same weakness: CWE-191

V. Comments for CVE-2026-107635

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