FKIE_CVE-2026-0943
Vulnerability from fkie_nvd - Published: 2026-01-19 04:15 - Updated: 2026-06-17 10:11
Severity
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 | Third Party Advisory | |
| 9b29abf9-4ab0-4765-b253-1875cd9b441e | https://metacpan.org/release/JV/HarfBuzz-Shaper-0.032/changes | Product, Release Notes | |
| 9b29abf9-4ab0-4765-b253-1875cd9b441e | https://www.cve.org/CVERecord?id=CVE-2026-22693 | Third Party Advisory, VDB Entry |
{
"affected": [
{
"affectedData": [
{
"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"
}
]
}
],
"source": "9b29abf9-4ab0-4765-b253-1875cd9b441e"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:jv:harfbuzz\\:\\:shaper:*:*:*:*:*:perl:*:*",
"matchCriteriaId": "9A596B45-7207-4CBE-9E42-6133EDAA5AD5",
"versionEndExcluding": "0.032",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"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."
},
{
"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."
}
],
"id": "CVE-2026-0943",
"lastModified": "2026-06-17T10:11:39.690",
"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"
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2026-0943",
"options": [
{
"exploitation": "none"
},
{
"automatable": "yes"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-01-20T15:23:35.724880Z",
"version": "2.0.3"
}
}
]
},
"published": "2026-01-19T04:15:58.710",
"references": [
{
"source": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
"tags": [
"Third Party Advisory"
],
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2429296"
},
{
"source": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
"tags": [
"Product",
"Release Notes"
],
"url": "https://metacpan.org/release/JV/HarfBuzz-Shaper-0.032/changes"
},
{
"source": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"url": "https://www.cve.org/CVERecord?id=CVE-2026-22693"
}
],
"sourceIdentifier": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
"vulnStatus": "Analyzed",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-476"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
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.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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