CVE-2026-0943

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.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://bugzilla.redhat.com/show_bug.cgi?id=2429296	Third Party Advisory
https://metacpan.org/release/JV/HarfBuzz-Shaper-0.032/changes	Product Release Notes
https://www.cve.org/CVERecord?id=CVE-2026-22693	Third Party Advisory VDB Entry

Configurations

Configuration 1 (hide)

cpe:2.3:a:jv:harfbuzz\:\:shaper:*:*:*:*:*:perl:*:*

History

No history.

Information

Published : 2026-01-19 04:15

Updated : 2026-06-17 10:11

NVD link : CVE-2026-0943

Mitre link : CVE-2026-0943

CVE.ORG link : CVE-2026-0943

JSON object : View

Products Affected

jv

harfbuzz\

CWE

CWE-476

NULL Pointer Dereference

{"id": "CVE-2026-0943", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-0943", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-01-20T15:23:35.724880Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}]}, "affected": [{"source": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "affectedData": [{"repo": "https://github.com/sciurius/perl-HarfBuzz-Shaper", "vendor": "JV", "product": "HarfBuzz::Shaper", "versions": [{"status": "affected", "version": "0", "lessThan": "0.032", "versionType": "custom"}], "packageName": "HarfBuzz-Shaper", "programFiles": ["hb_src.tar.gz"], "collectionURL": "https://cpan.org/modules", "defaultStatus": "unaffected"}]}], "published": "2026-01-19T04:15:58.710", "references": [{"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2429296", "tags": ["Third Party Advisory"], "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e"}, {"url": "https://metacpan.org/release/JV/HarfBuzz-Shaper-0.032/changes", "tags": ["Product", "Release Notes"], "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e"}, {"url": "https://www.cve.org/CVERecord?id=CVE-2026-22693", "tags": ["Third Party Advisory", "VDB Entry"], "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-476"}]}], "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."}, {"lang": "es", "value": "Versiones de HarfBuzz::Shaper anteriores a la 0.032 para Perl contienen una librer\u00eda incluida con una vulnerabilidad de desreferencia de puntero nulo.\n\nLas versiones anteriores a la 0.032 contienen HarfBuzz 8.4.0 o anterior incluido como hb_src.tar.gz en el tarball de origen, el cual est\u00e1 afectado por CVE-2026-22693."}], "lastModified": "2026-06-17T10:11:39.690", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:jv:harfbuzz\\:\\:shaper:*:*:*:*:*:perl:*:*", "vulnerable": true, "matchCriteriaId": "9A596B45-7207-4CBE-9E42-6133EDAA5AD5", "versionEndExcluding": "0.032"}], "operator": "OR"}]}], "sourceIdentifier": "9b29abf9-4ab0-4765-b253-1875cd9b441e"}