HIGH 7.5 Microsoft
CVE-2026-4111
Libarchive: infinite loop denial of service in rar5 decompression via archive_read_data() in libarchive
Microsoft Security Update 2026-Mar: Libarchive: infinite loop denial of service in rar5 decompression via archive_read_data() in libarchive
Affected Products
- cbl2 libarchive 3.6.1-8 on CBL Mariner 2.0
- azl3 libarchive 3.7.7-4 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-4111
- https://nvd.nist.gov/vuln/detail/CVE-2026-4111
This high severity vulnerability with a CVSS score of 7.5 was published on 2026-03-10 via Microsoft. Affected: cbl2 libarchive 3.6.1-8 on CBL Mariner 2.0, azl3 libarchive 3.7.7-4 on Azure Linux 3.0.
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