MEDIUM 5.9 Microsoft
CVE-2025-62813
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.
Microsoft Security Update 2026-Aug: 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.
Affected Products
- cbl2 lz4 1.9.4-1 on CBL Mariner 2.0
- cbl2 mysql 8.0.44-2 on CBL Mariner 2.0
- azl3 lz4 1.9.4-2 on Azure Linux 3.0
- azl3 mysql 8.0.44-2 on Azure Linux 3.0
- azl3 rust 1.75.0-22 on Azure Linux 3.0
- azl3 kata-containers 3.32.0.kata0-1 on Azure Linux 3.0
- azl3 lz4 1.9.4-1 on Azure Linux 3.0
- azl3 mysql 8.0.43-1 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-62813
- https://nvd.nist.gov/vuln/detail/CVE-2025-62813
This medium severity vulnerability with a CVSS score of 5.9 was published on 2026-08-06 via Microsoft. Affected: cbl2 lz4 1.9.4-1 on CBL Mariner 2.0, cbl2 mysql 8.0.44-2 on CBL Mariner 2.0, azl3 lz4 1.9.4-2 on Azure Linux 3.0 and 5 more.
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