MEDIUM 4.3 Microsoft

CVE-2025-6069

HTMLParser quadratic complexity when processing malformed inputs

Microsoft Security Update 2025-Jun: HTMLParser quadratic complexity when processing malformed inputs

Affected Products

cbl2 python3 3.9.19-14 on CBL Mariner 2.0
azl3 python3 3.12.9-3 on Azure Linux 3.0
cbl2 python3 3.9.19-13 on CBL Mariner 2.0
azl3 tensorflow 2.16.1-9 on Azure Linux 3.0
cbl2 python3 3.9.19-13 on CBL-Mariner 2.0

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-6069
https://nvd.nist.gov/vuln/detail/CVE-2025-6069

Published: 2025-06-10 · Source: Microsoft · Feed updated: 2026-08-15

This medium severity vulnerability with a CVSS score of 4.3 was published on 2025-06-10 via Microsoft. Affected: cbl2 python3 3.9.19-14 on CBL Mariner 2.0, azl3 python3 3.12.9-3 on Azure Linux 3.0, cbl2 python3 3.9.19-13 on CBL Mariner 2.0 and 2 more.

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