HarfBuzz::Shaper versions before 0.032 for Perl contains a bundled library with a null pointer dereference vulnerability

{
  "id": "b52ae65c116e596b6b49749f6a84f155e80248d91aee09222705adc0d2676871",
  "url": "https://osv.dev/vulnerability/CVE-2026-0943",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "HarfBuzz::Shaper versions before 0.032 for Perl contains a bundled library with a null pointer dereference vulnerability",
    "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.",
    "evidence": "osv:CVE-2026-0943",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2026-0943",
      "aliases": [
        "CVE-2026-0943"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/sciurius/perl-harfbuzz-shaper",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "4de7ff6c98d016b8f3b31c531a7bc9a2a0a9de71"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "0.032"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                  },
                  {
                    "cpe": "cpe:2.3:a:jv:harfbuzz\\:\\:shaper:*:*:*:*:*:perl:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "0.032"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "R0.028",
            "R0.027",
            "R0.026",
            "R0.025",
            "R0.023",
            "R0.022",
            "R0.021",
            "R0.020",
            "R0.018.3",
            "R0.018.2",
            "R0.018",
            "R0.017",
            "R0.016",
            "R0.015",
            "R0.014",
            "R0.013",
            "R0.012",
            "R0.011",
            "R0.001"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-0943.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:30.645200484Z",
      "provider": "osv",
      "references": [
        "https://cpan.org/modules",
        "https://www.cve.org/CVERecord?id=CVE-2026-22693",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/0xxx/CVE-2026-0943.json",
        "https://metacpan.org/release/JV/HarfBuzz-Shaper-0.032/changes",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-0943",
        "https://bugzilla.redhat.com/show_bug.cgi?id=2429296",
        "https://github.com/sciurius/perl-HarfBuzz-Shaper"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-1395"
        ],
        "cna_assigner": "CPANSec",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/0xxx/CVE-2026-0943.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-0943",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 497789,
  "published_at": "2026-01-19T02:46:52.012+00:00"
}