CVE-2025-69534
python-Markdown: incomplete markup declaration in raw HTML can crash applications that process untrusted Markdown
CVE-2025-69534 is fixed in 28 products on 1 platform, first by RHSA-2026:20677, released March 5, 2026. It is not reported as exploited. Patch Radar priority: High.
High
CVSS
8.2
high
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0066
52nd percentile
incomplete markup declaration in raw HTML can crash applications that process untrusted Markdown
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| idle-python3.10 · Ubuntu 22.04.1 LTS (jammy) | 3.10.12-1~22.04.16 | idle-python3.10 3.10.12-1~22.04.16 | Jul 7, 2026 |
| idle-python3.12 · Ubuntu 24.04.5 LTS (noble) | 3.12.3-1ubuntu0.15 | idle-python3.12 3.12.3-1ubuntu0.15 | Jul 7, 2026 |
| libpython3.10 · Ubuntu 22.04.1 LTS (jammy) | 3.10.12-1~22.04.16 | libpython3.10 3.10.12-1~22.04.16 | Jul 7, 2026 |
| libpython3.10-minimal · Ubuntu 22.04.1 LTS (jammy) | 3.10.12-1~22.04.16 | libpython3.10-minimal 3.10.12-1~22.04.16 | Jul 7, 2026 |
| libpython3.10-stdlib · Ubuntu 22.04.1 LTS (jammy) | 3.10.12-1~22.04.16 | libpython3.10-stdlib 3.10.12-1~22.04.16 | Jul 7, 2026 |
| libpython3.10-testsuite · Ubuntu 22.04.1 LTS (jammy) | 3.10.12-1~22.04.16 | libpython3.10-testsuite 3.10.12-1~22.04.16 | Jul 7, 2026 |
| libpython3.12-minimal · Ubuntu 24.04.5 LTS (noble) | 3.12.3-1ubuntu0.15 | libpython3.12-minimal 3.12.3-1ubuntu0.15 | Jul 7, 2026 |
| libpython3.12-stdlib · Ubuntu 24.04.5 LTS (noble) | 3.12.3-1ubuntu0.15 | libpython3.12-stdlib 3.12.3-1ubuntu0.15 | Jul 7, 2026 |
| libpython3.12-testsuite · Ubuntu 24.04.5 LTS (noble) | 3.12.3-1ubuntu0.15 | libpython3.12-testsuite 3.12.3-1ubuntu0.15 | Jul 7, 2026 |
| libpython3.12t64 · Ubuntu 24.04.5 LTS (noble) | 3.12.3-1ubuntu0.15 | libpython3.12t64 3.12.3-1ubuntu0.15 | Jul 7, 2026 |
| pypy3 · Debian 14 | 8.0.0+dfsg-1 | DEBIAN-CVE-2025-69534 | Mar 5, 2026 |
| python-Markdown · opensuse-leap 15.6 | 3.5.2-150600.3.3.1 | SUSE-SU-2026:0846-1 | Mar 6, 2026 |
| python-markdown · RHEL 10 | 3.5.1-6.el10_0.1 | RHSA-2026:20677 | Mar 5, 2026 |
| python-markdown · rocky 10 | 0:3.5.1-6.el10_2.1 | RLSA-2026:19155 | May 29, 2026 |
| python-markdown · rocky 9 | 0:3.3.4-4.el9_8.2 | RLSA-2026:19366 | May 28, 2026 |
| python3-markdown · RHEL 9 | 0:3.3.4-4.el9_8.2 | RHSA-2026:19366 | May 27, 2026 |
| python3-markdown · almalinux 10 | 3.5.1-6.el10_2.1 | ALSA-2026:19155 | May 19, 2026 |
| python3-markdown · almalinux 9 | 3.3.4-4.el9_8.2 | ALSA-2026:19366 | May 19, 2026 |
| python3-markdown · amzn 2023 | 3.3.4-2.amzn2023.0.4 | ALAS2023-2026-1492 | Mar 16, 2026 |
| python3-markdown · ol 10 | 0:3.5.1-6.el10_2.1 | ELSA-2026-19155 | Jul 16, 2026 |
| python3-markdown · ol 9 | 0:3.3.4-4.el9_8.2 | ELSA-2026-19366 | Jun 23, 2026 |
| python3.10 · Ubuntu 22.04.1 LTS (jammy) | 3.10.12-1~22.04.16 | python3.10 3.10.12-1~22.04.16 | Jul 7, 2026 |
| python3.10-examples · Ubuntu 22.04.1 LTS (jammy) | 3.10.12-1~22.04.16 | python3.10-examples 3.10.12-1~22.04.16 | Jul 7, 2026 |
| python3.10-full · Ubuntu 22.04.1 LTS (jammy) | 3.10.12-1~22.04.16 | python3.10-full 3.10.12-1~22.04.16 | Jul 7, 2026 |
| python3.10-minimal · Ubuntu 22.04.1 LTS (jammy) | 3.10.12-1~22.04.16 | python3.10-minimal 3.10.12-1~22.04.16 | Jul 7, 2026 |
| python3.10-nopie · Ubuntu 22.04.1 LTS (jammy) | 3.10.12-1~22.04.16 | python3.10-nopie 3.10.12-1~22.04.16 | Jul 7, 2026 |
| python3.10-venv · Ubuntu 22.04.1 LTS (jammy) | 3.10.12-1~22.04.16 | python3.10-venv 3.10.12-1~22.04.16 | Jul 7, 2026 |
| python3.11 · Debian 12.15 (bookworm) | 3.11.2-6+deb12u9 | DEBIAN-CVE-2025-69534 | Mar 5, 2026 |
| python3.12 · Ubuntu 24.04.5 LTS (noble) | 3.12.3-1ubuntu0.15 | python3.12 3.12.3-1ubuntu0.15 | Jul 7, 2026 |
| python3.12-examples · Ubuntu 24.04.5 LTS (noble) | 3.12.3-1ubuntu0.15 | python3.12-examples 3.12.3-1ubuntu0.15 | Jul 7, 2026 |
| python3.12-full · Ubuntu 24.04.5 LTS (noble) | 3.12.3-1ubuntu0.15 | python3.12-full 3.12.3-1ubuntu0.15 | Jul 7, 2026 |
| python3.12-minimal · Ubuntu 24.04.5 LTS (noble) | 3.12.3-1ubuntu0.15 | python3.12-minimal 3.12.3-1ubuntu0.15 | Jul 7, 2026 |
| python3.12-nopie · Ubuntu 24.04.5 LTS (noble) | 3.12.3-1ubuntu0.15 | python3.12-nopie 3.12.3-1ubuntu0.15 | Jul 7, 2026 |
| python3.12-venv · Ubuntu 24.04.5 LTS (noble) | 3.12.3-1ubuntu0.15 | python3.12-venv 3.12.3-1ubuntu0.15 | Jul 7, 2026 |
| python3.13 · Debian 13.5 (trixie) | 3.13.4-1 | DEBIAN-CVE-2025-69534 | Mar 5, 2026 |
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