CVE-2026-104982

Estado: AplazadaBaja (2.1)—

A flaw has been found in Linux Mint Xreader up to 4.6.5. This issue affects the function setup_document_content_list/g_strdup_printf of the file backend/epub/epub-document.c of the component EPUB File Handler. This manipulation causes path traversal. The attack is possible to be carried out remotely. The exploit has been published and may be used. Upgrading to version 4.6.6 is capable of addressing this issue. Patch name: a5aecea074e8564b7a22f1ce054b31ec862974b7. It is advisable to upgrade the affected component. One of the project maintainers explains, that "EPUB support was removed from Xreader and reimplemented in Xepub".

CVSS

Versión: 4.0
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:N/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
Puntuación base: 2.1

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 0.43%
Percentil entre todas las CVEs puntuadas: 36
Fecha de la puntuación: 6/10/2026

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

🎯 Técnicas ATT&CK

Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.

ExplotaciónT1203 Exploitation for Client Executionexecution75 %
Impacto principalT1005 Data from Local Systemcollection70 %
Impacto secundarioT1565 Data Manipulationimpact55 %

Vector CVSS con UI:R indica interacción del usuario (abrir archivo EPUB preparado). CWE-22 (path traversal) en manejador EPUB permite lectura de archivos locales tras manipulación del documento.

Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.

🛡️ Mitigaciones ATT&CK que cubren estas técnicas

Restrict File and Directory Permissions Remote Data Storage Network Segmentation Encrypt Sensitive Information Application Isolation and Sandboxing Exploit Protection

Tecnologías afectadas (1)

⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.

Linuxmint — Xreader^AI

CWE

CWE-22

Referencias

JSON original (NVD)

Mostrar

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  "id": "CVE-2026-104982",
  "cveTags": [],
  "metrics": {
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        "ssvcData": {
          "id": "CVE-2026-104982",
          "role": "CISA Coordinator",
          "options": [
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            {
              "automatable": "no"
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            {
              "technicalImpact": "partial"
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          "version": "2.0.3",
          "timestamp": "2026-10-06T16:47:25.523844Z"
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      "affectedData": [
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          "cpes": [
            "cpe:2.3:o:linux_mint:xreader:*:*:*:*:*:*:*:*"
          ],
          "vendor": "Linux Mint",
          "modules": [
            "EPUB File Handler"
          ],
          "product": "Xreader",
          "versions": [
            {
              "status": "affected",
              "version": "4.6.0"
            },
            {
              "status": "affected",
              "version": "4.6.1"
            },
            {
              "status": "affected",
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              "version": "4.6.3"
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              "status": "affected",
              "version": "4.6.4"
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            {
              "status": "unaffected",
              "version": "4.6.6"
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          ]
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  "published": "2026-10-03T08:16:26.293",
  "references": [
    {
      "url": "https://gist.github.com/rodtvs/63a34e7b20a9f97a1a7167a8a1db49c2",
      "source": "cna@vuldb.com"
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      "source": "cna@vuldb.com"
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      "url": "https://github.com/linuxmint/xreader/issues/713",
      "source": "cna@vuldb.com"
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    {
      "url": "https://github.com/linuxmint/xreader/releases/tag/4.6.6",
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    {
      "url": "https://vuldb.com/cve/CVE-2026-104982",
      "source": "cna@vuldb.com"
    },
    {
      "url": "https://vuldb.com/submit/964347",
      "source": "cna@vuldb.com"
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      "url": "https://vuldb.com/vuln/413198",
      "source": "cna@vuldb.com"
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    {
      "url": "https://vuldb.com/vuln/413198/cti",
      "source": "cna@vuldb.com"
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  "vulnStatus": "Deferred",
  "weaknesses": [
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      "type": "Secondary",
      "source": "cna@vuldb.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-22"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A flaw has been found in Linux Mint Xreader up to 4.6.5. This issue affects the function setup_document_content_list/g_strdup_printf of the file backend/epub/epub-document.c of the component EPUB File Handler. This manipulation causes path traversal. The attack is possible to be carried out remotely. The exploit has been published and may be used. Upgrading to version 4.6.6 is capable of addressing this issue. Patch name: a5aecea074e8564b7a22f1ce054b31ec862974b7. It is advisable to upgrade the affected component. One of the project maintainers explains, that \"EPUB support was removed from Xreader and reimplemented in Xepub\"."
    }
  ],
  "lastModified": "2026-10-06T17:17:16.287",
  "sourceIdentifier": "cna@vuldb.com"
}