HIGH 7.5 Microsoft

CVE-2020-6817

bleach.clean behavior parsing style attributes could result in a regular expression denial of service (ReDoS). Calls to bleach.clean with an allowed tag with an allowed style attribute are vulnerable to ReDoS. For example, bleach.clean(..., attributes={'a': ['style']}).

Microsoft Security Update 2023-Feb: bleach.clean behavior parsing style attributes could result in a regular expression denial of service (ReDoS). Calls to bleach.clean with an allowed tag with an allowed style attribute are vulnerable to ReDoS. For example, bleach.clean(..., attributes={'a': ['style']}).

Affected Products

References

Published: 2023-02-14 · Source: Microsoft · Feed updated: 2026-08-20
This high severity vulnerability with a CVSS score of 7.5 was published on 2023-02-14 via Microsoft. Affected: azl3 python-tensorboard 2.16.2-6 on Azure Linux 3.0, cbl2 python-tensorboard 2.11.0-3 on CBL Mariner 2.0.
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