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WS-2019-0526

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Date: October 1, 2019

Commit fixes a vulnerability that found by OSS-FUZZ. The MMR decoder pre-buffers up to 32 bits of encoded input data in a word buffer before they are consumed by the MMR decoder. Now, the MMR decoder keeps track of how many bits it has consumed and accurately rounds this number up to a whole number of bytes to the caller.

Language: C

Severity Score

Severity Score

Weakness Type (CWE)

Code

CWE-17

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): LOW
Integrity (I): NONE
Availability (A): HIGH

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