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TI-2026-00711 Aliases CVE-2026-0943GHSA-hmr2-524c-vv28

NULL pointer dereference in JV HarfBuzz::Shaper

Priority LOW 39CWE-1395Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-476.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00493 42nd percentileScored 2026-11-07
Fix Fixed HarfBuzz::Shaper (JV): 0.032

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
JVHarfBuzz::Shaperbefore 0.0320.032Patch availableCNA
  • HarfBuzz::Shaper VendorJV Affected before 0.032 Fixed in 0.032 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:jv:harfbuzz\:\:shaper:*:*:*:*:*:perl:*:* shaperVulnerableJV
  • cpe:2.3:a:jv:harfbuzz\:\:shaper:*:*:*:*:*:perl:*:* Versions shaper Vulnerable ·JV

Remediation

  • Fix · CNA HarfBuzz::Shaper (JV) Fixed in 0.032

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-0943
  2. 2026-10-03 Alias added: GHSA-hmr2-524c-vv28

References

Advisory 2

Other 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences