{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-102514",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-10-01T20:24:09.150452Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-10-01T20:24:18.718Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "collectionURL": "https://github.com/peazip/PeaZip/releases",
          "cpes": [
            "cpe:2.3:a:peazip:peazip:*:*:*:*:*:*:*:*"
          ],
          "defaultStatus": "unaffected",
          "modules": [
            "PEA archive extractor (pea component)"
          ],
          "platforms": [
            "Windows",
            "macOS",
            "Linux",
            "BSD"
          ],
          "product": "PeaZip",
          "programFiles": [
            "peazip-sources/dev/pea.pas"
          ],
          "programRoutines": [
            {
              "name": "unpea_procedure"
            }
          ],
          "repo": "https://github.com/peazip/PeaZip",
          "vendor": "PeaZip",
          "versions": [
            {
              "lessThan": "11.3.0",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "julichaan"
        },
        {
          "lang": "en",
          "type": "finder",
          "value": "c4sh3r"
        },
        {
          "lang": "en",
          "type": "analyst",
          "value": "Dario Rivas Quero"
        },
        {
          "lang": "en",
          "type": "coordinator",
          "value": "Secur0 CNA"
        }
      ],
      "datePublic": "2026-08-27T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cp\u003eOut-of-bounds Write (CWE-787) in the PEA archive extraction routine (\u003ccode\u003epea.pas\u003c/code\u003e, \u003ccode\u003eunpea_procedure\u003c/code\u003e) of the first-party pea component in PeaZip 11.2.0 and earlier allows an attacker who convinces a victim to open or extract a crafted .pea archive to execute arbitrary code as the user running PeaZip. While decompressing a \u003ccode\u003ePCOMPRESS1\u003c/code\u003e stream, the 32-bit compressed-block-size field of the first block (\u003ccode\u003ecompsize\u003c/code\u003e) is read directly from the archive and used without validation as the length of a \u003ccode\u003eblockread\u003c/code\u003e into the fixed-size global buffers \u003ccode\u003ewbuf1/wbuf2\u003c/code\u003e (1,114,112 bytes) and as the bound of the subsequent copy loop. The existing check \"\u003ccode\u003ecompsize\u003c/code\u003e \u0026gt; WBUFSIZE\" is applied only to the size of each following block, so the first block escapes it; the same unvalidated value is also used to index wbuf1[\u003ccode\u003ecompsize\u003c/code\u003e], an out-of-bounds read at an attacker-chosen offset. The copy loop additionally copies the requested length instead of the number of bytes actually read, and terminates on equality rather than on an upper bound. Because the project is built without range checking and no archive password, integrity tag or non-default configuration is required, the overflow overwrites adjacent global data; code execution was demonstrated by two independent researchers against the official Linux x86-64 and Windows x64 builds, and the denial-of-service and memory-corruption primitive is cross-platform (Windows, macOS, Linux, BSD).\u003c/p\u003e"
            }
          ],
          "value": "Out-of-bounds Write (CWE-787) in the PEA archive extraction routine (pea.pas, unpea_procedure) of the first-party pea component in PeaZip 11.2.0 and earlier allows an attacker who convinces a victim to open or extract a crafted .pea archive to execute arbitrary code as the user running PeaZip. While decompressing a PCOMPRESS1 stream, the 32-bit compressed-block-size field of the first block (compsize) is read directly from the archive and used without validation as the length of a blockread into the fixed-size global buffers wbuf1/wbuf2 (1,114,112 bytes) and as the bound of the subsequent copy loop. The existing check \"compsize \u003e WBUFSIZE\" is applied only to the size of each following block, so the first block escapes it; the same unvalidated value is also used to index wbuf1[compsize], an out-of-bounds read at an attacker-chosen offset. The copy loop additionally copies the requested length instead of the number of bytes actually read, and terminates on equality rather than on an upper bound. Because the project is built without range checking and no archive password, integrity tag or non-default configuration is required, the overflow overwrites adjacent global data; code execution was demonstrated by two independent researchers against the official Linux x86-64 and Windows x64 builds, and the denial-of-service and memory-corruption primitive is cross-platform (Windows, macOS, Linux, BSD)."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-100",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-100 Overflow Buffers"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "LOCAL",
            "baseScore": 8.4,
            "baseSeverity": "HIGH",
            "exploitMaturity": "NOT_DEFINED",
            "privilegesRequired": "NONE",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "ACTIVE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "HIGH",
            "vulnConfidentialityImpact": "HIGH",
            "vulnIntegrityImpact": "HIGH",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-787",
              "description": "CWE-787 Out-of-bounds Write",
              "lang": "en",
              "type": "CWE"
            },
            {
              "cweId": "CWE-125",
              "description": "CWE-125 Out-of-bounds Read",
              "lang": "en",
              "type": "CWE"
            },
            {
              "cweId": "CWE-1284",
              "description": "CWE-1284 Improper Validation of Specified Quantity in Input",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-14T16:50:59.674Z",
        "orgId": "4daa8cea-433a-44bd-9456-53b127fc289a",
        "shortName": "Secur0"
      },
      "references": [
        {
          "tags": [
            "patch"
          ],
          "url": "https://github.com/peazip/PeaZip/commit/90ddbaee0945a4d8ffa4d972d43711bbfb9576ba"
        },
        {
          "tags": [
            "third-party-advisory",
            "technical-description"
          ],
          "url": "https://secur0.com/en/cna/cve-list/cve-2026-102514-out-of-bounds-write-in-peazip-pea-extractor"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cp\u003eUpgrade to PeaZip 11.3.0 or higher, which validates the size of the first compressed block (commit \u003ccode\u003e90ddbae\u003c/code\u003e), copies the number of bytes actually read, and stops the block-reading loop when the address exceeds the expected value.\u003c/p\u003e"
            }
          ],
          "value": "Upgrade to PeaZip 11.3.0 or higher, which validates the size of the first compressed block (commit 90ddbae), copies the number of bytes actually read, and stops the block-reading loop when the address exceeds the expected value."
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "tags": [
        "x_open-source"
      ],
      "title": "Out-of-bounds write in PeaZip PEA extractor allows code execution via a crafted .pea archive",
      "x_generator": {
        "engine": "Vulnogram 1.0.5"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "4daa8cea-433a-44bd-9456-53b127fc289a",
    "assignerShortName": "Secur0",
    "cveId": "CVE-2026-102514",
    "datePublished": "2026-10-01T20:00:51.760Z",
    "dateReserved": "2026-09-29T11:56:57.709Z",
    "dateUpdated": "2026-10-14T16:50:59.674Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-102514\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-10-01T20:24:09.150452Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-10-01T20:24:14.360Z\"}}], \"cna\": {\"tags\": [\"x_open-source\"], \"title\": \"Out-of-bounds write in PeaZip PEA extractor allows code execution via a crafted .pea archive\", \"source\": {\"discovery\": \"EXTERNAL\"}, \"credits\": [{\"lang\": \"en\", \"type\": \"finder\", \"value\": \"julichaan\"}, {\"lang\": \"en\", \"type\": \"finder\", \"value\": \"c4sh3r\"}, {\"lang\": \"en\", \"type\": \"analyst\", \"value\": \"Dario Rivas Quero\"}, {\"lang\": \"en\", \"type\": \"coordinator\", \"value\": \"Secur0 CNA\"}], \"impacts\": [{\"capecId\": \"CAPEC-100\", \"descriptions\": [{\"lang\": \"en\", \"value\": \"CAPEC-100 Overflow Buffers\"}]}], \"metrics\": [{\"format\": \"CVSS\", \"cvssV4_0\": {\"Safety\": \"NOT_DEFINED\", \"version\": \"4.0\", \"Recovery\": \"NOT_DEFINED\", \"baseScore\": 8.4, \"Automatable\": \"NOT_DEFINED\", \"attackVector\": \"LOCAL\", \"baseSeverity\": \"HIGH\", \"valueDensity\": \"NOT_DEFINED\", \"vectorString\": \"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N\", \"exploitMaturity\": \"NOT_DEFINED\", \"providerUrgency\": \"NOT_DEFINED\", \"userInteraction\": \"ACTIVE\", \"attackComplexity\": \"LOW\", \"attackRequirements\": \"NONE\", \"privilegesRequired\": \"NONE\", \"subIntegrityImpact\": \"NONE\", \"vulnIntegrityImpact\": \"HIGH\", \"subAvailabilityImpact\": \"NONE\", \"vulnAvailabilityImpact\": \"HIGH\", \"subConfidentialityImpact\": \"NONE\", \"vulnConfidentialityImpact\": \"HIGH\", \"vulnerabilityResponseEffort\": \"NOT_DEFINED\"}, \"scenarios\": [{\"lang\": \"en\", \"value\": \"GENERAL\"}]}], \"affected\": [{\"cpes\": [\"cpe:2.3:a:peazip:peazip:*:*:*:*:*:*:*:*\"], \"repo\": \"https://github.com/peazip/PeaZip\", \"vendor\": \"PeaZip\", \"modules\": [\"PEA archive extractor (pea component)\"], \"product\": \"PeaZip\", \"versions\": [{\"status\": \"affected\", \"version\": \"0\", \"lessThan\": \"11.3.0\", \"versionType\": \"semver\"}], \"platforms\": [\"Windows\", \"macOS\", \"Linux\", \"BSD\"], \"programFiles\": [\"peazip-sources/dev/pea.pas\"], \"collectionURL\": \"https://github.com/peazip/PeaZip/releases\", \"defaultStatus\": \"unaffected\", \"programRoutines\": [{\"name\": \"unpea_procedure\"}]}], \"solutions\": [{\"lang\": \"en\", \"value\": \"Upgrade to PeaZip 11.3.0 or higher, which validates the size of the first compressed block (commit 90ddbae), copies the number of bytes actually read, and stops the block-reading loop when the address exceeds the expected value.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"\u003cp\u003eUpgrade to PeaZip 11.3.0 or higher, which validates the size of the first compressed block (commit \u003ccode\u003e90ddbae\u003c/code\u003e), copies the number of bytes actually read, and stops the block-reading loop when the address exceeds the expected value.\u003c/p\u003e\", \"base64\": false}]}], \"datePublic\": \"2026-08-27T00:00:00.000Z\", \"references\": [{\"url\": \"https://github.com/peazip/PeaZip/commit/90ddbaee0945a4d8ffa4d972d43711bbfb9576ba\", \"tags\": [\"patch\"]}, {\"url\": \"https://secur0.com/en/cna/cve-list/cve-2026-102514-out-of-bounds-write-in-peazip-pea-extractor\", \"tags\": [\"third-party-advisory\", \"technical-description\"]}], \"x_generator\": {\"engine\": \"Vulnogram 1.0.5\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"Out-of-bounds Write (CWE-787) in the PEA archive extraction routine (pea.pas, unpea_procedure) of the first-party pea component in PeaZip 11.2.0 and earlier allows an attacker who convinces a victim to open or extract a crafted .pea archive to execute arbitrary code as the user running PeaZip. While decompressing a PCOMPRESS1 stream, the 32-bit compressed-block-size field of the first block (compsize) is read directly from the archive and used without validation as the length of a blockread into the fixed-size global buffers wbuf1/wbuf2 (1,114,112 bytes) and as the bound of the subsequent copy loop. The existing check \\\"compsize \u003e WBUFSIZE\\\" is applied only to the size of each following block, so the first block escapes it; the same unvalidated value is also used to index wbuf1[compsize], an out-of-bounds read at an attacker-chosen offset. The copy loop additionally copies the requested length instead of the number of bytes actually read, and terminates on equality rather than on an upper bound. Because the project is built without range checking and no archive password, integrity tag or non-default configuration is required, the overflow overwrites adjacent global data; code execution was demonstrated by two independent researchers against the official Linux x86-64 and Windows x64 builds, and the denial-of-service and memory-corruption primitive is cross-platform (Windows, macOS, Linux, BSD).\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"\u003cp\u003eOut-of-bounds Write (CWE-787) in the PEA archive extraction routine (\u003ccode\u003epea.pas\u003c/code\u003e, \u003ccode\u003eunpea_procedure\u003c/code\u003e) of the first-party pea component in PeaZip 11.2.0 and earlier allows an attacker who convinces a victim to open or extract a crafted .pea archive to execute arbitrary code as the user running PeaZip. While decompressing a \u003ccode\u003ePCOMPRESS1\u003c/code\u003e stream, the 32-bit compressed-block-size field of the first block (\u003ccode\u003ecompsize\u003c/code\u003e) is read directly from the archive and used without validation as the length of a \u003ccode\u003eblockread\u003c/code\u003e into the fixed-size global buffers \u003ccode\u003ewbuf1/wbuf2\u003c/code\u003e (1,114,112 bytes) and as the bound of the subsequent copy loop. The existing check \\\"\u003ccode\u003ecompsize\u003c/code\u003e \u0026gt; WBUFSIZE\\\" is applied only to the size of each following block, so the first block escapes it; the same unvalidated value is also used to index wbuf1[\u003ccode\u003ecompsize\u003c/code\u003e], an out-of-bounds read at an attacker-chosen offset. The copy loop additionally copies the requested length instead of the number of bytes actually read, and terminates on equality rather than on an upper bound. Because the project is built without range checking and no archive password, integrity tag or non-default configuration is required, the overflow overwrites adjacent global data; code execution was demonstrated by two independent researchers against the official Linux x86-64 and Windows x64 builds, and the denial-of-service and memory-corruption primitive is cross-platform (Windows, macOS, Linux, BSD).\u003c/p\u003e\", \"base64\": false}]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-787\", \"description\": \"CWE-787 Out-of-bounds Write\"}, {\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-125\", \"description\": \"CWE-125 Out-of-bounds Read\"}, {\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-1284\", \"description\": \"CWE-1284 Improper Validation of Specified Quantity in Input\"}]}], \"providerMetadata\": {\"orgId\": \"4daa8cea-433a-44bd-9456-53b127fc289a\", \"shortName\": \"Secur0\", \"dateUpdated\": \"2026-10-14T16:50:59.674Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2026-102514\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-10-14T16:50:59.674Z\", \"dateReserved\": \"2026-09-29T11:56:57.709Z\", \"assignerOrgId\": \"4daa8cea-433a-44bd-9456-53b127fc289a\", \"datePublished\": \"2026-10-01T20:00:51.760Z\", \"assignerShortName\": \"Secur0\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}