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Vulnerability Details :

CVE-2025-46656

Summary
Assigner-mitre
Assigner Org ID-8254265b-2729-46b6-b9e3-3dfca2d5bfca
Published At-26 Apr, 2025 | 00:00
Updated At-29 Apr, 2025 | 15:22
Rejected At-
Credits

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.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:mitre
Assigner Org ID:8254265b-2729-46b6-b9e3-3dfca2d5bfca
Published At:26 Apr, 2025 | 00:00
Updated At:29 Apr, 2025 | 15:22
Rejected At:
▼CVE Numbering Authority (CNA)

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.

Affected Products
Vendor
python-markdownify
Product
python-markdownify
Default Status
unaffected
Versions
Affected
  • From 0 before 0.14.1 (semver)
Problem Types
TypeCWE IDDescription
CWECWE-1284CWE-1284 Improper Validation of Specified Quantity in Input
Type: CWE
CWE ID: CWE-1284
Description: CWE-1284 Improper Validation of Specified Quantity in Input
Metrics
VersionBase scoreBase severityVector
3.12.9LOW
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
Version: 3.1
Base score: 2.9
Base severity: LOW
Vector:
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://github.com/matthewwithanm/python-markdownify/compare/0.14.0...0.14.1
N/A
https://github.com/matthewwithanm/python-markdownify/issues/143
N/A
Hyperlink: https://github.com/matthewwithanm/python-markdownify/compare/0.14.0...0.14.1
Resource: N/A
Hyperlink: https://github.com/matthewwithanm/python-markdownify/issues/143
Resource: N/A
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://github.com/matthewwithanm/python-markdownify/issues/143
exploit
Hyperlink: https://github.com/matthewwithanm/python-markdownify/issues/143
Resource:
exploit
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:cve@mitre.org
Published At:26 Apr, 2025 | 22:15
Updated At:29 Apr, 2025 | 16:15

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.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary3.12.9LOW
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
Type: Secondary
Version: 3.1
Base score: 2.9
Base severity: LOW
Vector:
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
CPE Matches
Weaknesses
CWE IDTypeSource
CWE-1284Secondarycve@mitre.org
CWE ID: CWE-1284
Type: Secondary
Source: cve@mitre.org
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://github.com/matthewwithanm/python-markdownify/compare/0.14.0...0.14.1cve@mitre.org
N/A
https://github.com/matthewwithanm/python-markdownify/issues/143cve@mitre.org
N/A
https://github.com/matthewwithanm/python-markdownify/issues/143134c704f-9b21-4f2e-91b3-4a467353bcc0
N/A
Hyperlink: https://github.com/matthewwithanm/python-markdownify/compare/0.14.0...0.14.1
Source: cve@mitre.org
Resource: N/A
Hyperlink: https://github.com/matthewwithanm/python-markdownify/issues/143
Source: cve@mitre.org
Resource: N/A
Hyperlink: https://github.com/matthewwithanm/python-markdownify/issues/143
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Resource: N/A

Change History

0
Information is not available yet

Similar CVEs

2Records found
CVE-2025-43964
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-2.9||LOW
EPSS-0.08% / 24.51%
||
7 Day CHG~0.00%
Published-20 Apr, 2025 | 00:00
Updated-08 May, 2025 | 16:54
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

In LibRaw before 0.21.4, tag 0x412 processing in phase_one_correct in decoders/load_mfbacks.cpp does not enforce minimum w0 and w1 values.

Action-Not Available
Vendor-librawLibRaw
Product-librawLibRaw
CWE ID-CWE-1284
Improper Validation of Specified Quantity in Input
CVE-2025-32415
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-2.9||LOW
EPSS-0.04% / 11.52%
||
7 Day CHG+0.01%
Published-17 Apr, 2025 | 00:00
Updated-17 Apr, 2025 | 20:21
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

In libxml2 before 2.13.8 and 2.14.x before 2.14.2, xmlSchemaIDCFillNodeTables in xmlschemas.c has a heap-based buffer under-read. To exploit this, a crafted XML document must be validated against an XML schema with certain identity constraints, or a crafted XML schema must be used.

Action-Not Available
Vendor-libxml2 (XMLSoft)
Product-libxml2
CWE ID-CWE-1284
Improper Validation of Specified Quantity in Input
Details not found