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Fencer Intel
high 7.5

GHSA-ww7q-mxrj-5ffg json

Quadratic-time DoS in inline image parsing (precedence_scan) bypasses not-is-image guards

published 24d ago modified 24d ago

Unreviewed: the maintainers' own advisory

Published by the maintainers on their GitHub repository lepture/mistune. GitHub has not reviewed it into the GitHub Advisory Database and no CVE record has reached us yet, so everything here comes from the maintainers alone. Read the full advisory on GitHub.

cvss
7.5
version 3.1, the maintainers
cisa kev
Not listed
not in CISA's catalog
epss
—
no score, EPSS covers CVEs only
public exploits
0
none known

Summary

Security advisory published by the maintainers of lepture/mistune for mistune: the maintainers' own advisory, not a reviewed GitHub Advisory Database entry. The full advisory is on GitHub.

Patch / fix

  • pypi mistune 3.3.4

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CVSS scores

assigned by version score vector
the maintainers 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected packages

ecosystem package affected fixed in
pypi mistune
<3.3.4
3.3.4

Classification

Weakness
  • CWE-400 Uncontrolled Resource Consumption
  • CWE-407 Inefficient Algorithmic Complexity

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

The maintainers of lepture/mistune published their own advisory on GitHub. Its facts and headline are shown here; the description stays on GitHub.