CVE-2023-25193: Allocation of Resources Without Limits or Throttling
(updated )
hb-ot-layout-gsubgpos.hh in HarfBuzz through 6.0.0 allows attackers to trigger O(n^2) growth via consecutive marks during the process of looking back for base glyphs when attaching marks.
References
- chromium.googlesource.com/chromium/src/+/e1f324aa681af54101c1f2d173d92adb80e37088/DEPS
- github.com/harfbuzz/harfbuzz/blob/2822b589bc837fae6f66233e2cf2eef0f6ce8470/src/hb-ot-layout-gsubgpos.hh
- github.com/harfbuzz/harfbuzz/commit/85be877925ddbf34f74a1229f3ca1716bb6170dc
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KWCHWSICWVZSAXP2YAXM65JC2GR53547/
- nvd.nist.gov/vuln/detail/CVE-2023-25193
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