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CVE-2025-6497

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.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:6d360012799d145d6bc4afb4f43e47ccd0779ba15e45ae445b7845c25c591d6c
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cvss · 4 assertions

{"metric":{"baseScore":1.7,"vectorString":"AV:L/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:ND/RC:UR","version":"2.0"},"metric_type":"cvssV2_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:f67ee2437eb9a57fb4b7e579bfa2b9c23308981f5e186bdc7e66ce714e1ef9a1 · sha256:718993baada0c912… · /containers/cna/metrics/3/cvssV2_0

{"metric":{"baseScore":4.8,"baseSeverity":"MEDIUM","vectorString":"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/E:P","version":"4.0"},"metric_type":"cvssV4_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:f67ee2437eb9a57fb4b7e579bfa2b9c23308981f5e186bdc7e66ce714e1ef9a1 · sha256:718993baada0c912… · /containers/cna/metrics/0/cvssV4_0

{"metric":{"baseScore":3.3,"baseSeverity":"LOW","vectorString":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R","version":"3.0"},"metric_type":"cvssV3_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:f67ee2437eb9a57fb4b7e579bfa2b9c23308981f5e186bdc7e66ce714e1ef9a1 · sha256:718993baada0c912… · /containers/cna/metrics/2/cvssV3_0

{"metric":{"baseScore":3.3,"baseSeverity":"LOW","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:f67ee2437eb9a57fb4b7e579bfa2b9c23308981f5e186bdc7e66ce714e1ef9a1 · sha256:718993baada0c912… · /containers/cna/metrics/1/cvssV3_1

Affected products and versions

1 source assertion
{"product":"tidy-html5","vendor":"HTACG","versions":[{"status":"affected","version":"5.8.0"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f67ee2437eb9a57fb4b7e579bfa2b9c23308981f5e186bdc7e66ce714e1ef9a1 · sha256:718993baada0c912… · /containers/cna/affected/0

Provider-owned CVSS observations

4 source assertions
{"metric":{"baseScore":1.7,"vectorString":"AV:L/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:ND/RC:UR","version":"2.0"},"metric_type":"cvssV2_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:f67ee2437eb9a57fb4b7e579bfa2b9c23308981f5e186bdc7e66ce714e1ef9a1 · sha256:718993baada0c912… · /containers/cna/metrics/3/cvssV2_0
{"metric":{"baseScore":4.8,"baseSeverity":"MEDIUM","vectorString":"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/E:P","version":"4.0"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:f67ee2437eb9a57fb4b7e579bfa2b9c23308981f5e186bdc7e66ce714e1ef9a1 · sha256:718993baada0c912… · /containers/cna/metrics/0/cvssV4_0
{"metric":{"baseScore":3.3,"baseSeverity":"LOW","vectorString":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R","version":"3.0"},"metric_type":"cvssV3_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:f67ee2437eb9a57fb4b7e579bfa2b9c23308981f5e186bdc7e66ce714e1ef9a1 · sha256:718993baada0c912… · /containers/cna/metrics/2/cvssV3_0
{"metric":{"baseScore":3.3,"baseSeverity":"LOW","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:f67ee2437eb9a57fb4b7e579bfa2b9c23308981f5e186bdc7e66ce714e1ef9a1 · sha256:718993baada0c912… · /containers/cna/metrics/1/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-617","description":"Reachable Assertion","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:f67ee2437eb9a57fb4b7e579bfa2b9c23308981f5e186bdc7e66ce714e1ef9a1 · sha256:718993baada0c912… · /containers/cna/problemTypes/0/descriptions/0

Source references

5 source assertions
{"tags":["issue-tracking"],"url":"https://github.com/htacg/tidy-html5/issues/1142"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f67ee2437eb9a57fb4b7e579bfa2b9c23308981f5e186bdc7e66ce714e1ef9a1 · sha256:718993baada0c912… · /containers/cna/references/3
{"tags":["exploit"],"url":"https://github.com/user-attachments/files/19825297/tidy-html5_crash_2.txt"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f67ee2437eb9a57fb4b7e579bfa2b9c23308981f5e186bdc7e66ce714e1ef9a1 · sha256:718993baada0c912… · /containers/cna/references/4
{"name":"VDB-313613 | CTI Indicators (IOB, IOC, IOA)","tags":["signature","permissions-required"],"url":"https://vuldb.com/?ctiid.313613"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f67ee2437eb9a57fb4b7e579bfa2b9c23308981f5e186bdc7e66ce714e1ef9a1 · sha256:718993baada0c912… · /containers/cna/references/1
{"name":"VDB-313613 | HTACG tidy-html5 parser.c prvTidyParseNamespace assertion","tags":["vdb-entry","technical-description"],"url":"https://vuldb.com/?id.313613"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f67ee2437eb9a57fb4b7e579bfa2b9c23308981f5e186bdc7e66ce714e1ef9a1 · sha256:718993baada0c912… · /containers/cna/references/0
{"name":"Submit #601008 | htacg tidy-html5 tidy-html5 5.8.0 (commit d08ddc2) Reachable Assertion","tags":["third-party-advisory"],"url":"https://vuldb.com/?submit.601008"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f67ee2437eb9a57fb4b7e579bfa2b9c23308981f5e186bdc7e66ce714e1ef9a1 · sha256:718993baada0c912… · /containers/cna/references/2

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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