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8 vulnerabilities by htacg
CVE-2025-6498 (GCVE-0-2025-6498)
Vulnerability from cvelistv5 – Published: 2025-06-23 01:31 – Updated: 2025-06-23 13:45
VLAI
Title
HTACG tidy-html5 alloc.c defaultAlloc memory leak
Summary
A vulnerability classified as problematic has been found in HTACG tidy-html5 5.8.0. Affected is the function defaultAlloc of the file src/alloc.c. The manipulation leads to memory leak. It is possible to launch the attack on the local host. The exploit has been disclosed to the public and may be used.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.313614 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.313614 | signaturepermissions-required |
| https://vuldb.com/?submit.601009 | third-party-advisory |
| https://github.com/htacg/tidy-html5/issues/1152 | issue-tracking |
| https://github.com/user-attachments/files/2043830… | exploit |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| HTACG | tidy-html5 |
Affected:
5.8.0
|
Credits
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CVE-2025-6497 (GCVE-0-2025-6497)
Vulnerability from cvelistv5 – Published: 2025-06-23 00:31 – Updated: 2025-06-23 13:02
VLAI
Title
HTACG tidy-html5 parser.c prvTidyParseNamespace assertion
Summary
A vulnerability was found in HTACG tidy-html5 5.8.0. It has been rated as problematic. This issue affects the function prvTidyParseNamespace of the file src/parser.c. The manipulation leads to reachable assertion. Attacking locally is a requirement. The exploit has been disclosed to the public and may be used.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-617 - Reachable Assertion
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.313613 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.313613 | signaturepermissions-required |
| https://vuldb.com/?submit.601008 | third-party-advisory |
| https://github.com/htacg/tidy-html5/issues/1142 | issue-tracking |
| https://github.com/user-attachments/files/1982529… | exploit |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| HTACG | tidy-html5 |
Affected:
5.8.0
|
Credits
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CVE-2025-6496 (GCVE-0-2025-6496)
Vulnerability from cvelistv5 – Published: 2025-06-23 00:00 – Updated: 2025-06-23 13:06
VLAI
Title
HTACG tidy-html5 parser.c InsertNodeAsParent null pointer dereference
Summary
A vulnerability was found in HTACG tidy-html5 5.8.0. It has been declared as problematic. This vulnerability affects the function InsertNodeAsParent of the file src/parser.c. The manipulation leads to null pointer dereference. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.313612 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.313612 | signaturepermissions-required |
| https://vuldb.com/?submit.601007 | third-party-advisory |
| https://github.com/htacg/tidy-html5/issues/1141 | issue-tracking |
| https://github.com/user-attachments/files/1965294… | exploit |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| HTACG | tidy-html5 |
Affected:
5.8.0
|
Credits
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CVE-2021-33391 (GCVE-0-2021-33391)
Vulnerability from cvelistv5 – Published: 2023-02-17 00:00 – Updated: 2025-03-18 19:03
VLAI
Summary
An issue in HTACG HTML Tidy v5.7.28 allows attacker to execute arbitrary code via the -g option of the CleanNode() function in gdoc.c.
Severity
9.8 (Critical)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- n/a
- CWE-416 - Use After Free
Assigner
References
1 reference
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CVE-2017-17497 (GCVE-0-2017-17497)
Vulnerability from cvelistv5 – Published: 2017-12-10 22:00 – Updated: 2024-08-05 20:51
VLAI
Summary
In Tidy 5.7.0, the prvTidyTidyMetaCharset function in clean.c allows attackers to cause a denial of service (Segmentation Fault), because the currentNode variable in the "children of the head" processing feature is modified in the loop without validating the new value.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/htacg/tidy-html5/issues/656 | x_refsource_CONFIRM |
Date Public
2017-12-10 00:00
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CVE-2017-13692 (GCVE-0-2017-13692)
Vulnerability from cvelistv5 – Published: 2017-08-25 07:00 – Updated: 2024-08-05 19:05
VLAI
Summary
In Tidy 5.5.31, the IsURLCodePoint function in attrs.c allows attackers to cause a denial of service (Segmentation Fault), as demonstrated by an invalid ISALNUM argument.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/htacg/tidy-html5/issues/588 | x_refsource_CONFIRM |
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Date Public
2017-08-25 00:00
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CVE-2015-5522 (GCVE-0-2015-5522)
Vulnerability from cvelistv5 – Published: 2015-08-11 14:00 – Updated: 2024-08-06 06:50
VLAI
Summary
Heap-based buffer overflow in the ParseValue function in lexer.c in tidy before 4.9.31 allows remote attackers to cause a denial of service (crash) via vectors involving a command character in an href.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
14 references
Date Public
2015-06-03 00:00
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CVE-2015-5523 (GCVE-0-2015-5523)
Vulnerability from cvelistv5 – Published: 2015-08-11 14:00 – Updated: 2024-08-06 06:50
VLAI
Summary
The ParseValue function in lexer.c in tidy before 4.9.31 allows remote attackers to cause a denial of service (crash) via vectors involving multiple whitespace characters before an empty href, which triggers a large memory allocation.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
14 references
Date Public
2015-06-03 00:00
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