DEBIAN-CVE-2025-69534

Source
https://security-tracker.debian.org/tracker/CVE-2025-69534
Import Source
https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2025-69534.json
JSON Data
https://api.osv.dev/v1/vulns/DEBIAN-CVE-2025-69534
Upstream
Published
2026-03-05T15:16:11.243Z
Modified
2026-03-14T01:47:40.152729Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

Python-Markdown version 3.8 contain a vulnerability where malformed HTML-like sequences can cause html.parser.HTMLParser to raise an unhandled AssertionError during Markdown parsing. Because Python-Markdown does not catch this exception, any application that processes attacker-controlled Markdown may crash. This enables remote, unauthenticated Denial of Service in web applications, documentation systems, CI/CD pipelines, and any service that renders untrusted Markdown. The issue was acknowledged by the vendor and fixed in version 3.8.1. This issue causes a remote Denial of Service in any application parsing untrusted Markdown, and can lead to Information Disclosure through uncaught exceptions.

References

Affected packages

Debian:11
pypy3

Package

Name
pypy3
Purl
pkg:deb/debian/pypy3?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

7.*
7.3.5+dfsg-2
7.3.5+dfsg-2+deb11u1
7.3.5+dfsg-2+deb11u2
7.3.5+dfsg-2+deb11u3
7.3.5+dfsg-2+deb11u4
7.3.5+dfsg-2+deb11u5
7.3.6~rc2+dfsg-1
7.3.6~rc2+dfsg-2
7.3.6+dfsg-1
7.3.7+dfsg-1
7.3.7+dfsg-2
7.3.7+dfsg-3
7.3.7+dfsg-4
7.3.7+dfsg-5
7.3.8~rc1+dfsg-1
7.3.8~rc1+dfsg-2
7.3.8+dfsg-1
7.3.8+dfsg-2
7.3.9+dfsg-1
7.3.9+dfsg-2
7.3.9+dfsg-3
7.3.9+dfsg-4
7.3.9+dfsg-5
7.3.10~rc3+dfsg-1
7.3.10~rc3+dfsg-2
7.3.10+dfsg-1
7.3.11+dfsg-1
7.3.11+dfsg-2
7.3.12~rc1+dfsg-1
7.3.12~rc2+dfsg-1
7.3.12+dfsg-1
7.3.13+dfsg-1
7.3.14+dfsg-1
7.3.15+dfsg-1
7.3.16+dfsg-1
7.3.16+dfsg-2
7.3.17+dfsg-1
7.3.17+dfsg-2
7.3.17+dfsg-3
7.3.18+dfsg-1
7.3.18+dfsg-2
7.3.19+dfsg-1
7.3.19+dfsg-2
7.3.20+dfsg-1
7.3.20+dfsg-2
7.3.20+dfsg-3
7.3.20+dfsg-4

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Database specific

source
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2025-69534.json"
python2.7

Package

Name
python2.7
Purl
pkg:deb/debian/python2.7?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

2.*
2.7.18-8
2.7.18-8+deb11u1
2.7.18-9
2.7.18-10
2.7.18-11
2.7.18-12
2.7.18-13
2.7.18-13.1~exp1
2.7.18-13.1
2.7.18-13.2

Ecosystem specific

{
    "urgency": "end-of-life"
}

Database specific

source
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2025-69534.json"
python3.9

Package

Name
python3.9
Purl
pkg:deb/debian/python3.9?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

3.*
3.9.2-1
3.9.2-1+deb11u1
3.9.2-1+deb11u2
3.9.2-1+deb11u3
3.9.2-1+deb11u4
3.9.2-1+deb11u5
3.9.3-1
3.9.3-2
3.9.4-1
3.9.5-1
3.9.5-2
3.9.5-3
3.9.6-1
3.9.7-1
3.9.7-2
3.9.7-4
3.9.8-1
3.9.8-2
3.9.9-1
3.9.9-2
3.9.9-3
3.9.9-4
3.9.10-1
3.9.10-2
3.9.11-1
3.9.12-1
3.9.13-1

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Database specific

source
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2025-69534.json"
Debian:12
pypy3

Package

Name
pypy3
Purl
pkg:deb/debian/pypy3?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

7.*
7.3.11+dfsg-2
7.3.11+dfsg-2+deb12u1
7.3.11+dfsg-2+deb12u2
7.3.11+dfsg-2+deb12u3
7.3.12~rc1+dfsg-1
7.3.12~rc2+dfsg-1
7.3.12+dfsg-1
7.3.13+dfsg-1
7.3.14+dfsg-1
7.3.15+dfsg-1
7.3.16+dfsg-1
7.3.16+dfsg-2
7.3.17+dfsg-1
7.3.17+dfsg-2
7.3.17+dfsg-3
7.3.18+dfsg-1
7.3.18+dfsg-2
7.3.19+dfsg-1
7.3.19+dfsg-2
7.3.20+dfsg-1
7.3.20+dfsg-2
7.3.20+dfsg-3
7.3.20+dfsg-4

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Database specific

source
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2025-69534.json"
python3.11

Package

Name
python3.11
Purl
pkg:deb/debian/python3.11?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

3.*
3.11.2-6
3.11.2-6+deb12u1
3.11.2-6+deb12u2
3.11.2-6+deb12u3
3.11.2-6+deb12u4
3.11.2-6+deb12u5
3.11.2-6+deb12u6
3.11.3-1
3.11.3-2
3.11.4-1
3.11.5-1
3.11.5-2
3.11.5-3
3.11.6-1
3.11.6-2
3.11.6-3~hurd.2
3.11.6-3
3.11.7-1
3.11.7-2
3.11.8-1
3.11.8-1.1~exp1
3.11.8-1.1~exp2
3.11.8-2
3.11.8-3
3.11.8-3+hurd.1
3.11.9-1

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Database specific

source
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2025-69534.json"
Debian:13
pypy3

Package

Name
pypy3
Purl
pkg:deb/debian/pypy3?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

7.*
7.3.19+dfsg-2
7.3.20+dfsg-1
7.3.20+dfsg-2
7.3.20+dfsg-3
7.3.20+dfsg-4

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Database specific

source
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2025-69534.json"
python3.13

Package

Name
python3.13
Purl
pkg:deb/debian/python3.13?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.13.4-1

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Database specific

source
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2025-69534.json"
Debian:14
pypy3

Package

Name
pypy3
Purl
pkg:deb/debian/pypy3?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

7.*
7.3.19+dfsg-2
7.3.20+dfsg-1
7.3.20+dfsg-2
7.3.20+dfsg-3
7.3.20+dfsg-4

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Database specific

source
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2025-69534.json"
python3.13

Package

Name
python3.13
Purl
pkg:deb/debian/python3.13?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.13.4-1

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Database specific

source
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2025-69534.json"