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CVE-2025-48386

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Date: July 8, 2025

Git is a fast, scalable, distributed revision control system with an unusually rich command set that provides both high-level operations and full access to internals. The wincred credential helper uses a static buffer (target) as a unique key for storing and comparing against internal storage. This credential helper does not properly bounds check the available space remaining in the buffer before appending to it with wcsncat(), leading to potential buffer overflows. This vulnerability is fixed in v2.43.7, v2.44.4, v2.45.4, v2.46.4, v2.47.3, v2.48.2, v2.49.1, and v2.50.1.

Severity Score

Severity Score

Weakness Type (CWE)

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

CWE-120

Top Fix

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Upgrade Version

Upgrade to version https://github.com/git/git.git - v2.43.7;https://github.com/git/git.git - v2.44.4;https://github.com/git/git.git - v2.45.4;https://github.com/git/git.git - v2.46.4;https://github.com/git/git.git - v2.47.3;https://github.com/git/git.git - v2.48.2;https://github.com/git/git.git - v2.49.1;https://github.com/git/git.git - v2.50.1

Learn More

CVSS v3.1

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

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