Vulnerability-Lookup

FKIE_CVE-2026-0943

Vulnerability from fkie_nvd - Published: 2026-01-19 04:15 - Updated: 2026-01-20 16:16

Severity ?

7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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.

References

	URL	Tags
	9b29abf9-4ab0-4765-b253-1875cd9b441e	https://bugzilla.redhat.com/show_bug.cgi?id=2429296
	9b29abf9-4ab0-4765-b253-1875cd9b441e	https://metacpan.org/release/JV/HarfBuzz-Shaper-0.032/changes
	9b29abf9-4ab0-4765-b253-1875cd9b441e	https://www.cve.org/CVERecord?id=CVE-2026-22693

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "HarfBuzz::Shaper versions before 0.032 for Perl contains a bundled library with a null pointer dereference vulnerability.\u00a0\n\nVersions 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."
    }
  ],
  "id": "CVE-2026-0943",
  "lastModified": "2026-01-20T16:16:07.567",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ]
  },
  "published": "2026-01-19T04:15:58.710",
  "references": [
    {
      "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2429296"
    },
    {
      "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
      "url": "https://metacpan.org/release/JV/HarfBuzz-Shaper-0.032/changes"
    },
    {
      "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-22693"
    }
  ],
  "sourceIdentifier": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
  "vulnStatus": "Received"
}

CVE-2026-0943 (GCVE-0-2026-0943)

Vulnerability from cvelistv5 – Published: 2026-01-19 02:46 – Updated: 2026-01-20 15:25

Title

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

Summary

Severity ?

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE

CWE-1395 - Dependency on Vulnerable Third-Party Component

Assigner

CPANSec

References

URL

Tags

	https://bugzilla.redhat.com/show_bug.cgi?id=2429296	issue-tracking
	https://www.cve.org/CVERecord?id=CVE-2026-22693
	https://metacpan.org/release/JV/HarfBuzz-Shaper-0…	release-notes

Impacted products

	Vendor	Product	Version
	JV	HarfBuzz::Shaper	Affected: 0 , < 0.032 (custom)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "HIGH",
              "baseScore": 7.5,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "NONE",
              "integrityImpact": "NONE",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2026-0943",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-01-20T15:23:35.724880Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-01-20T15:25:23.530Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "collectionURL": "https://cpan.org/modules",
          "defaultStatus": "unaffected",
          "packageName": "HarfBuzz-Shaper",
          "product": "HarfBuzz::Shaper",
          "programFiles": [
            "hb_src.tar.gz"
          ],
          "repo": "https://github.com/sciurius/perl-HarfBuzz-Shaper",
          "vendor": "JV",
          "versions": [
            {
              "lessThan": "0.032",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
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              "type": "text/html",
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        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-1395",
              "description": "CWE-1395 Dependency on Vulnerable Third-Party Component",
              "lang": "en",
              "type": "CWE"
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        "dateUpdated": "2026-01-19T02:54:06.255Z",
        "orgId": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
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          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2429296"
        },
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          "url": "https://www.cve.org/CVERecord?id=CVE-2026-22693"
        },
        {
          "tags": [
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          ],
          "url": "https://metacpan.org/release/JV/HarfBuzz-Shaper-0.032/changes"
        }
      ],
      "solutions": [
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              "value": "Users should update to version 0.032 or later, where the bundled HarfBuzz library was updated to version 12.3.0."
            }
          ],
          "value": "Users should update to version 0.032 or later, where the bundled HarfBuzz library was updated to version 12.3.0."
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
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  },
  "cveMetadata": {
    "assignerOrgId": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
    "assignerShortName": "CPANSec",
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    "datePublished": "2026-01-19T02:46:52.012Z",
    "dateReserved": "2026-01-14T15:30:04.686Z",
    "dateUpdated": "2026-01-20T15:25:23.530Z",
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  },
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}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

FKIE_CVE-2026-0943

CVE-2026-0943 (GCVE-0-2026-0943)

Tags

Sightings

Nomenclature