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CVE-2026-0943— HarfBuzz::Shaper versions before 0.032 for Perl contains a bundled library with a null pointer dereference vulnerability

Quick assessment

Affected
JV HarfBuzz::Shaper
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.

MetaCPAN HarfBuzz::Shaper是MetaCPAN基金会的一个接口扩展模块。 MetaCPAN HarfBuzz::Shaper 0.032之前版本存在安全漏洞，该漏洞源于捆绑的库存在空指针取消引用，可能导致空指针取消引用。

AI Predicted 7.5 Difficulty: Easy EPSS 0.49% · P42
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I. Basic Information for CVE-2026-0943

Vulnerability Information
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Vulnerability Title
HarfBuzz::Shaper versions before 0.032 for Perl contains a bundled library with a null pointer dereference vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
HarfBuzz::Shaper versions before 0.032 for Perl contains a bundled library with a null pointer dereference vulnerability.  Versions before 0.032 contain HarfBuzz 8.4.0 or earlier bundled as hb_src.tar.gz in the source tarball, which is affected by CVE-2026-22693.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
CWE-1395
Source: CVE Program / CVE List V5
Vulnerability Title
MetaCPAN HarfBuzz::Shaper 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
MetaCPAN HarfBuzz::Shaper是MetaCPAN基金会的一个接口扩展模块。 MetaCPAN HarfBuzz::Shaper 0.032之前版本存在安全漏洞，该漏洞源于捆绑的库存在空指针取消引用，可能导致空指针取消引用。
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
JV HarfBuzz::Shaper 0 ~ 0.032 -

II. Public POCs for CVE-2026-0943

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III. Intelligence Information for CVE-2026-0943

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Vendor Advisories for CVE-2026-0943 (2)

Other References for CVE-2026-0943 (1)

IV. Related Vulnerabilities

Same weakness: CWE-1395