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8.2
Python Markdown Vulnerability in Red Hat Systems
RHSA-2026:20676
Summary
A security update is available for Python Markdown in Red Hat systems, which could allow an attacker to execute arbitrary code. This affects systems using Python Markdown for rendering text. To protect your system, apply the latest security update as soon as possible.
What to do
- Update redhat python-markdown to version 0:3.3.4-4.el9_6.2.
- Update redhat python3-markdown to version 0:3.3.4-4.el9_6.2.
Affected software
| Ecosystem | Vendor | Product | Affected versions |
|---|---|---|---|
| Red Hat:rhel_eus:9.6::baseos | redhat | python-markdown |
< 0:3.3.4-4.el9_6.2 Fix: upgrade to 0:3.3.4-4.el9_6.2
|
| Red Hat:rhel_eus:9.6::baseos | redhat | python3-markdown |
< 0:3.3.4-4.el9_6.2 Fix: upgrade to 0:3.3.4-4.el9_6.2
|
Original title
Red Hat Security Advisory: python-markdown security update
osv CVSS3.1
8.2
- https://access.redhat.com/errata/RHSA-2026:20676 Vendor Advisory
- https://access.redhat.com/security/updates/classification/#important Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2444839 Third Party Advisory
- https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_20676.... Vendor Advisory
- https://access.redhat.com/security/cve/CVE-2025-69534 Third Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2025-69534 Vendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2025-69534 Vendor Advisory
- https://github.com/Python-Markdown/markdown Third Party Advisory
- https://github.com/Python-Markdown/markdown/actions/runs/15736122892 Third Party Advisory
- https://github.com/Python-Markdown/markdown/issues/1534 Third Party Advisory
Published: 26 May 2026 · Updated: 26 May 2026 · First seen: 26 May 2026