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Vulnerable Software

Vulnerability Details CVE-2025-46656

python-markdownify (aka markdownify) before 0.14.1 allows large headline prefixes such as <h9999999> in addition to <h1> through <h6>. This causes memory consumption.

Exploit prediction scoring system (EPSS) score

EPSS Score 0.0

EPSS Ranking 6.1%

CVSS Severity

CVSS v3 Score 2.9

References

Products affected by CVE-2025-46656

Matthewwithanm » Markdownify » Version: 0.1.0

cpe:2.3:a:matthewwithanm:markdownify:0.1.0
Matthewwithanm » Markdownify » Version: 0.10.0

cpe:2.3:a:matthewwithanm:markdownify:0.10.0
Matthewwithanm » Markdownify » Version: 0.10.1

cpe:2.3:a:matthewwithanm:markdownify:0.10.1
Matthewwithanm » Markdownify » Version: 0.10.2

cpe:2.3:a:matthewwithanm:markdownify:0.10.2
Matthewwithanm » Markdownify » Version: 0.10.3

cpe:2.3:a:matthewwithanm:markdownify:0.10.3
Matthewwithanm » Markdownify » Version: 0.11.0

cpe:2.3:a:matthewwithanm:markdownify:0.11.0
Matthewwithanm » Markdownify » Version: 0.11.1

cpe:2.3:a:matthewwithanm:markdownify:0.11.1
Matthewwithanm » Markdownify » Version: 0.11.2

cpe:2.3:a:matthewwithanm:markdownify:0.11.2
Matthewwithanm » Markdownify » Version: 0.11.3

cpe:2.3:a:matthewwithanm:markdownify:0.11.3
Matthewwithanm » Markdownify » Version: 0.11.4

cpe:2.3:a:matthewwithanm:markdownify:0.11.4
Matthewwithanm » Markdownify » Version: 0.11.5

cpe:2.3:a:matthewwithanm:markdownify:0.11.5
Matthewwithanm » Markdownify » Version: 0.11.6

cpe:2.3:a:matthewwithanm:markdownify:0.11.6
Matthewwithanm » Markdownify » Version: 0.12.0

cpe:2.3:a:matthewwithanm:markdownify:0.12.0
Matthewwithanm » Markdownify » Version: 0.12.1

cpe:2.3:a:matthewwithanm:markdownify:0.12.1
Matthewwithanm » Markdownify » Version: 0.13.0

cpe:2.3:a:matthewwithanm:markdownify:0.13.0
Matthewwithanm » Markdownify » Version: 0.13.1

cpe:2.3:a:matthewwithanm:markdownify:0.13.1
Matthewwithanm » Markdownify » Version: 0.14.0

cpe:2.3:a:matthewwithanm:markdownify:0.14.0
Matthewwithanm » Markdownify » Version: 0.2.0

cpe:2.3:a:matthewwithanm:markdownify:0.2.0
Matthewwithanm » Markdownify » Version: 0.3.0

cpe:2.3:a:matthewwithanm:markdownify:0.3.0
Matthewwithanm » Markdownify » Version: 0.4.0

cpe:2.3:a:matthewwithanm:markdownify:0.4.0
Matthewwithanm » Markdownify » Version: 0.5.0

cpe:2.3:a:matthewwithanm:markdownify:0.5.0
Matthewwithanm » Markdownify » Version: 0.5.1

cpe:2.3:a:matthewwithanm:markdownify:0.5.1
Matthewwithanm » Markdownify » Version: 0.5.2

cpe:2.3:a:matthewwithanm:markdownify:0.5.2
Matthewwithanm » Markdownify » Version: 0.5.3

cpe:2.3:a:matthewwithanm:markdownify:0.5.3
Matthewwithanm » Markdownify » Version: 0.6.0

cpe:2.3:a:matthewwithanm:markdownify:0.6.0
Matthewwithanm » Markdownify » Version: 0.6.1

cpe:2.3:a:matthewwithanm:markdownify:0.6.1
Matthewwithanm » Markdownify » Version: 0.6.2

cpe:2.3:a:matthewwithanm:markdownify:0.6.2
Matthewwithanm » Markdownify » Version: 0.6.3

cpe:2.3:a:matthewwithanm:markdownify:0.6.3
Matthewwithanm » Markdownify » Version: 0.6.4

cpe:2.3:a:matthewwithanm:markdownify:0.6.4
Matthewwithanm » Markdownify » Version: 0.6.5

cpe:2.3:a:matthewwithanm:markdownify:0.6.5
Matthewwithanm » Markdownify » Version: 0.6.6

cpe:2.3:a:matthewwithanm:markdownify:0.6.6
Matthewwithanm » Markdownify » Version: 0.7.0

cpe:2.3:a:matthewwithanm:markdownify:0.7.0
Matthewwithanm » Markdownify » Version: 0.7.1

cpe:2.3:a:matthewwithanm:markdownify:0.7.1
Matthewwithanm » Markdownify » Version: 0.7.2

cpe:2.3:a:matthewwithanm:markdownify:0.7.2
Matthewwithanm » Markdownify » Version: 0.7.3

cpe:2.3:a:matthewwithanm:markdownify:0.7.3
Matthewwithanm » Markdownify » Version: 0.7.4

cpe:2.3:a:matthewwithanm:markdownify:0.7.4
Matthewwithanm » Markdownify » Version: 0.8.0

cpe:2.3:a:matthewwithanm:markdownify:0.8.0
Matthewwithanm » Markdownify » Version: 0.8.1

cpe:2.3:a:matthewwithanm:markdownify:0.8.1
Matthewwithanm » Markdownify » Version: 0.9.0

cpe:2.3:a:matthewwithanm:markdownify:0.9.0
Matthewwithanm » Markdownify » Version: 0.9.1

cpe:2.3:a:matthewwithanm:markdownify:0.9.1
Matthewwithanm » Markdownify » Version: 0.9.2

cpe:2.3:a:matthewwithanm:markdownify:0.9.2
Matthewwithanm » Markdownify » Version: 0.9.3

cpe:2.3:a:matthewwithanm:markdownify:0.9.3
Matthewwithanm » Markdownify » Version: 0.9.4

cpe:2.3:a:matthewwithanm:markdownify:0.9.4

Vulnerabilities

Vulnerable Software

Vulnerability Details CVE-2025-46656

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