bleach

====== Bleach NOTE: 2026-06-05: Bleach is no longer maintained. There will be no future releases including for security issues. See issue: Bleach is an allowed-list-based HTML sanitizing library that escapes or strips markup and attributes. Bleach can also linkify text safely, applying filters th...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: python-bleach (UTSA-2026-093655)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-093655 advisory. A mutation XSS affects users calling bleach.clean with all of: svg or math in the allowed tags p or br in allowed tags style, title, noscript, script, textarea,...

python313-bleach-6.4.0-1.1 on GA media (moderate)

python313-bleach-6.4.0-1.1 on GA media Announcement ID: openSUSE-SU-2026:11323-1 Rating: moderate Cross-References: CVE-2018-7753 CVE-2020-6802 CVE-2020-6816 CVE-2020-6817 CVE-2021-23980 CVSS scores: CVE-2021-23980 SUSE : 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Affected Products: openSUS...

OPENSUSE-SU-2026:11323-1 python313-bleach-6.4.0-1.1 on GA media

These are all security issues fixed in the python313-bleach-6.4.0-1.1 package on the GA media of openSUSE Tumbleweed...

CVE-2026-59923

A flaw was found in Mistune, a Python Markdown parser. This vulnerability allows an attacker to bypass URL protections by using specially crafted Markdown links or images containing percent-encoded javascript URIs. This can lead to the execution of arbitrary scripts in the rendered HTML,...

GHSA-GJ48-438W-JH9V Bleach clean() / Cleaner() fails to sanitize dangerous URI schemes in allowed formaction attributes

Summary Bleach clean / Cleaner fails to sanitize dangerous URI schemes in allowed formaction attributes. Bleach applies URI protocol sanitization only to attributes listed in attrvalisuri. While URI-bearing attributes such as action, href, src, and poster are included in that set, formaction is...

128autograder-ipython (1.0.0rc2), 3-04-2025-ttm (0.1.0) +7814 more potentially affected by unknown CVE via bleach (>=1.2.2, <=6.4.0)

bleach PYPI version =1.2.2, =0.5.0a0, =0.1.0, =0.1.0, =0.4.0, =0.1.0a1, =0.6.0, =1.0.3, =1.14.4, =1.0.0, =0.0.1, =0.1.0, =0.1.1, =0.2.0 and more Source cves: unknown CVE Source advisory: SNYK:PYTHON-BLEACH-17356127...

GHSA-G75F-G53V-794X Bleach linkify(parse_email=True) CPU exhaustion via unbounded email regex scanning

Summary Bleach 6.3.0 exposes a documented email-linkification path through bleach.linkify..., parseemail=True. The implementation scans attacker-controlled text with EMAILRE.finditer over the full character token and has no length, timeout, or linear prefilter before applying the dot-atom email...

GHSA-8RFP-98V4-MMR6 Bleach: URI sanitization allows disallowed URI schemes with Unicode > U+00A0 in output

Impact A possible XSS bypass affects users calling bleach.clean with all of: a in the allowed tags href in allowed attributes The bleach.clean sanitizer outputs URIs containing disallowed scheme patterns that it should be stripping. However, because the inserted Unicode characters make the scheme...

Astra Linux – Vulnerability in python-bleach

A mutation XSS affects users who call bleachclean with any of the following tags: svg or math within the allowed tags p or br in allowed tags, style, title, noscript, script, textarea, noframes, iframe, or xmp within allowed tags. The keyword argument is stripcomments=False. Note: None of the abo...

Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS : Bleach vulnerabilities (USN-8077-1)

The remote Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-8077-1 advisory. It was discovered that Bleach did not properly sanitize URI attributes containing character entities. An attacker could possibly...

Ubuntu: Security Advisory (USN-8077-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2026 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

USN-8077-1: Bleach vulnerabilities

It was discovered that Bleach did not properly sanitize URI attributes containing character entities. An attacker could possibly use this issue to construct a URI with a disallowed scheme that would bypass sanitization, leading to cross-site scripting. This issue only affected Ubuntu 18.04 LTS...

EUVD-2018-15504

Malware in sbrugna...

EUVD-2020-0056

Malware in sbrugna...

EUVD-2020-0055

Malware in sbrugna...

EUVD-2018-0026

Malware in sbrugna...

EUVD-2021-0036

Malware in sbrugna...

EUVD-2020-0054

Malware in sbrugna...

A mutation XSS affects users calling bleach.clean with all of: svg or math in the allowed tags p or br in allowed tags style, title, noscript, script, textarea, noframes, iframe, or xmp in allowed tags the keyword argument strip_comments=False Note: none of the above tags are in the default allowed tags and strip_comments defaults to True.

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