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CVE-2025-62813

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Date: October 22, 2025

LZ4 through 1.10.0 allows attackers to cause a denial of service (application crash) or possibly have unspecified other impact when the application processes untrusted LZ4 frames. For example, LZ4F_createCDict_advanced in lib/lz4frame.c mishandles NULL checks.

Severity Score

Related Resources (4)

https://nvd.nist.gov/vuln/detail/CVE-2025-62813
https://github.com/lz4/lz4/pull/1593
https://github.com/lz4/lz4/commit/f64efec011c058bd70348576438abac222fe6c82
https://www.mend.io/vulnerability-database/CVE-2025-62813

Severity Score

Weakness Type (CWE)

Improper Neutralization of Null Byte or NUL Character

CWE-158

CVSS v3.1

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

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