FKIE_CVE-2026-2661

Vulnerability from fkie_nvd - Published: 2026-02-18 20:18 - Updated: 2026-02-20 20:04
Severity ?
3.3 (Low) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
A security flaw has been discovered in Squirrel up to 3.2. This affects the function SQObjectPtr::operator in the library squirrel/sqobject.h. The manipulation results in heap-based buffer overflow. The attack needs to be approached locally. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.
References
cna@vuldb.comhttps://github.com/albertodemichelis/squirrel/issues/310Exploit, Issue Tracking
cna@vuldb.comhttps://github.com/oneafter/0122/blob/main/i310/reproExploit
cna@vuldb.comhttps://vuldb.com/?ctiid.346459Permissions Required, VDB Entry
cna@vuldb.comhttps://vuldb.com/?id.346459Third Party Advisory, VDB Entry
cna@vuldb.comhttps://vuldb.com/?submit.753165Third Party Advisory, VDB Entry
Impacted products
Vendor Product Version
squirrel-lang squirrel *
To clipboard 

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              "matchCriteriaId": "DDA9B279-8931-4C68-9500-534EAB17584C",
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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A security flaw has been discovered in Squirrel up to 3.2. This affects the function SQObjectPtr::operator in the library squirrel/sqobject.h. The manipulation results in heap-based buffer overflow. The attack needs to be approached locally. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through an issue report but has not responded yet."
    },
    {
      "lang": "es",
      "value": "Se ha descubierto una falla de seguridad en Squirrel hasta 3.2. Esto afecta a la funci\u00f3n SQObjectPtr::operator en la biblioteca squirrel/sqobject.h. Su manipulaci\u00f3n resulta en un desbordamiento de b\u00fafer basado en mont\u00edculo. El ataque necesita ser abordado localmente. El exploit ha sido liberado al p\u00fablico y puede ser utilizado para ataques. Se inform\u00f3 pronto al proyecto del problema a trav\u00e9s de un informe de incidencias, pero no ha respondido a\u00fan."
    }
  ],
  "id": "CVE-2026-2661",
  "lastModified": "2026-02-20T20:04:11.593",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "LOW",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "LOCAL",
          "authentication": "SINGLE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 1.7,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:L/AC:L/Au:S/C:N/I:N/A:P",
          "version": "2.0"
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        "type": "Secondary",
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          "confidentialityImpact": "NONE",
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          "baseScore": 7.8,
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        "source": "nvd@nist.gov",
        "type": "Primary"
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          "Recovery": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
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          "attackRequirements": "NONE",
          "attackVector": "LOCAL",
          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 4.8,
          "baseSeverity": "MEDIUM",
          "confidentialityRequirement": "NOT_DEFINED",
          "exploitMaturity": "PROOF_OF_CONCEPT",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "privilegesRequired": "LOW",
          "providerUrgency": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "subConfidentialityImpact": "NONE",
          "subIntegrityImpact": "NONE",
          "userInteraction": "NONE",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
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          "vulnConfidentialityImpact": "NONE",
          "vulnIntegrityImpact": "NONE",
          "vulnerabilityResponseEffort": "NOT_DEFINED"
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  "published": "2026-02-18T20:18:36.377",
  "references": [
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      "source": "cna@vuldb.com",
      "tags": [
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        "Issue Tracking"
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      "url": "https://github.com/albertodemichelis/squirrel/issues/310"
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      "source": "cna@vuldb.com",
      "tags": [
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  "sourceIdentifier": "cna@vuldb.com",
  "vulnStatus": "Analyzed",
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          "value": "CWE-119"
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          "lang": "en",
          "value": "CWE-122"
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      "source": "cna@vuldb.com",
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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.