CVE-2025-6497 — Reachable Assertion in Tidy-html5

CWE-617 — Reachable Assertion5 documents5 sources
Severity
4.8MEDIUMNVD
EPSS
0.1%
top 81.17%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
Htacg Tidy-html5Debian Tidy-html5Msrc Azl3 Tidy 5.8.0-6 ON Azure Linux 3.0+1 more
Timeline
PublishedJun 23

Description

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.

CVSS vector

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

Affected Packages4 packages

▶CVEListV5htacg/tidy-html55.8.0

🔴Vulnerability Details

2
GHSA
GHSA-2843-f6r8-wh6v: A vulnerability was found in HTACG tidy-html5 5↗2025-06-23
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OSV
CVE-2025-6497: A vulnerability was found in HTACG tidy-html5 5↗2025-06-23
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📋Vendor Advisories

2
Microsoft
HTACG tidy-html5 parser.c prvTidyParseNamespace assertion↗2025-06-10
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Debian
CVE-2025-6497: tidy-html5 - A vulnerability was found in HTACG tidy-html5 5.8.0. It has been rated as proble...↗2025
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