Bug 2430765 (CVE-2026-0943)

Summary: CVE-2026-0943 harfbuzz-shaper: HarfBuzz::Shaper null pointer dereference vulnerability
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
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Priority: low    
Version: unspecifiedKeywords: Security
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Hardware: All   
OS: Linux   
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HarfBuzz::Shaper for Perl contains a bundled library with a null pointer dereference vulnerability. Attackers may be able to exploit this vulnerability to induce a denial of service in services which rely on HarfBuzz::Shaper.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Bug Depends On: 2430873, 2430874    
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Description OSIDB Bzimport 2026-01-19 04:01:20 UTC
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.