CVE-2026-8261 (GCVE-0-2026-8261)

Vulnerability from cvelistv5 – Published: 2026-05-11 01:30 – Updated: 2026-05-11 01:30
VLAI?
Title
Squirrel sqobject.cpp Load heap-based overflow
Summary
A vulnerability was determined in Squirrel up to 3.2. This affects the function SQFunctionProto::Load of the file squirrel/sqobject.cpp. This manipulation causes heap-based buffer overflow. The attack is restricted to local execution. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet.
Severity ?
5.1 (Medium)
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
5.9 (Medium)
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
5.9 (Medium)
CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a Squirrel Affected: 3.0
Affected: 3.1
Affected: 3.2
Credits
biniam (VulDB User) VulDB CNA Team
Show details on NVD website
To clipboard 

{
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        {
          "product": "Squirrel",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "3.0"
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              "version": "3.1"
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              "status": "affected",
              "version": "3.2"
            }
          ]
        }
      ],
      "credits": [
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          "lang": "en",
          "type": "reporter",
          "value": "biniam (VulDB User)"
        },
        {
          "lang": "en",
          "type": "coordinator",
          "value": "VulDB CNA Team"
        }
      ],
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          "lang": "en",
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        }
      ],
      "metrics": [
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            "baseSeverity": "MEDIUM",
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      "providerMetadata": {
        "dateUpdated": "2026-05-11T01:30:11.394Z",
        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB"
      },
      "references": [
        {
          "name": "VDB-362558 | Squirrel sqobject.cpp Load heap-based overflow",
          "tags": [
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            "technical-description"
          ],
          "url": "https://vuldb.com/vuln/362558"
        },
        {
          "name": "VDB-362558 | CTI Indicators (IOB, IOC, IOA)",
          "tags": [
            "signature",
            "permissions-required"
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          "url": "https://vuldb.com/vuln/362558/cti"
        },
        {
          "name": "Submit #809904 | albertodemichelis squirrel 3.2 Heap-based Buffer Overflow",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/submit/809904"
        },
        {
          "tags": [
            "issue-tracking"
          ],
          "url": "https://github.com/albertodemichelis/squirrel/issues/326"
        },
        {
          "tags": [
            "exploit"
          ],
          "url": "https://github.com/biniamf/pocs/tree/main/squirrel-sqobject-functionproto-load-intovf-lineinfos"
        }
      ],
      "timeline": [
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          "lang": "en",
          "time": "2026-05-10T00:00:00.000Z",
          "value": "Advisory disclosed"
        },
        {
          "lang": "en",
          "time": "2026-05-10T02:00:00.000Z",
          "value": "VulDB entry created"
        },
        {
          "lang": "en",
          "time": "2026-05-10T17:28:15.000Z",
          "value": "VulDB entry last update"
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      ],
      "title": "Squirrel sqobject.cpp Load heap-based overflow"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2026-8261",
    "datePublished": "2026-05-11T01:30:11.394Z",
    "dateReserved": "2026-05-10T15:23:11.668Z",
    "dateUpdated": "2026-05-11T01:30:11.394Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
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  }
}


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Taxonomy of the tags.




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.



Detection rules are retrieved from Rulezet.