CVE-2024-56732

HarfBuzz heap-buffer-overflow on hb_cairo_glyphs_from_buffer

Published Dec 27, 2024 CVSS 4.0 · 9.3 Critical EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2024-53379 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.
Ubuntu USN Ubuntu USN USN-7214-1 HarfBuzz vulnerability
History
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description 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.
Title HarfBuzz heap-buffer-overflow on hb_cairo_glyphs_from_buffer
Weaknesses CWE-122
References
Metrics cvssV4_0

{'score': 9.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Dec 28, 2024, 4:48 PM
Reserved
Dec 27, 2024, 3:17 PM
Status
Analyzed
Published
Dec 27, 2024, 8:15 PM
Modified
Jun 25, 2026, 3:32 PM