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CVE-2024-56732— HarfBuzz heap-buffer-overflow on hb_cairo_glyphs_from_buffer

Quick assessment

Affected
harfbuzz harfbuzz
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

HarfBuzz是HarfBuzz开源的一款用于OpenType字体的文本引擎。 HarfBuzz 8.5.0版本至10.0.1版本存在安全漏洞，该漏洞源于hb_cairo_glyphs_from_buffer函数中存在基于堆的缓冲区溢出问题。

AI Predicted 8.1 Difficulty: Easy EPSS 0.65% · P50

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2024-56732

Vulnerability Information
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Vulnerability Title
HarfBuzz heap-buffer-overflow on hb_cairo_glyphs_from_buffer
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
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
Source: CVE Program / CVE List V5
Vulnerability Type
堆缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
HarfBuzz 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
HarfBuzz是HarfBuzz开源的一款用于OpenType字体的文本引擎。 HarfBuzz 8.5.0版本至10.0.1版本存在安全漏洞，该漏洞源于hb_cairo_glyphs_from_buffer函数中存在基于堆的缓冲区溢出问题。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
harfbuzz harfbuzz >= 8.5.0, <= 10.0.1 -

II. Public POCs for CVE-2024-56732

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III. Intelligence Information for CVE-2024-56732

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Patches & Fixes for CVE-2024-56732 (1)

Vendor Advisories for CVE-2024-56732 (1)

IV. Related Vulnerabilities

Same product: harfbuzz
Same vendor: harfbuzz
Same weakness: CWE-122

V. Comments for CVE-2024-56732

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