CVE-2024-56732
highpriority · track · 0EPSS 0.007 · 51 %ileEURUUSEPSS · scored 2026-10-27
HarfBuzz is a text shaping engine. Starting with 8.5.0 through 10.0.1, there is a heap-based buffer overflow in the hb_cairo_glyphs_from_buffer function.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 8.1–9.3
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (5)
Products and version ranges known to be affected.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (7)
External citations — patches, advisories, analysis.
- https://github.com/harfbuzz/harfbuzz/commit/1767f99e2e2196c3fcae27db6d8b60098d3f6d26cnnvd
- https://github.com/harfbuzz/harfbuzz/security/advisories/GHSA-qmp9-xqm5-jh6mcnnvd
- https://vigilance.fr/vulnerability/HarfBuzz-buffer-overflow-via-hb-cairo-glyphs-from-buffer-46120cnnvd
- https://github.com/harfbuzz/harfbuzz/commit/1767f99e2e2196c3fcae27db6d8b60098d3f6d26enisa_euvd
- https://github.com/harfbuzz/harfbuzz/security/advisories/GHSA-qmp9-xqm5-jh6menisa_euvd
- https://github.com/harfbuzz/harfbuzz/commit/1767f99e2e2196c3fcae27db6d8b60098d3f6d26Patchnvd
- https://github.com/harfbuzz/harfbuzz/security/advisories/GHSA-qmp9-xqm5-jh6mExploitVendor Advisorynvd
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