{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0.42.0"
              },
              {
                "last_affected": "26.10.0"
              },
              {
                "fixed": "26.10.0"
              }
            ],
            "source": [
              "AFFECTED_FIELD",
              "DESCRIPTION"
            ]
          },
          "events": [
            {
              "introduced": "f8ff943650e7e2a4cb836be43bf04907a5e156fc"
            },
            {
              "fixed": "2703be11769c1f86f4d0dc3b276ec94bba5ac6d3"
            }
          ],
          "repo": "https://gitlab.freedesktop.org/poppler/poppler",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-121"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/107xxx/CVE-2026-107705.json"
  },
  "details": "Poppler 0.42.0 through 26.10.0 contains a stack-based buffer overflow in Decrypt::revision6Hash() that allows attackers controlling the password to overwrite stack memory when opening AESV3/R6 encrypted PDFs. Attackers can supply a password longer than 127 bytes through applications using the libpoppler, libpoppler-glib or C++ API to overflow the K1 and E buffers, crashing the process or corrupting memory.",
  "id": "CVE-2026-107705",
  "modified": "2026-10-10T02:30:39.095951686Z",
  "published": "2026-10-08T19:51:12.884Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/107xxx/CVE-2026-107705.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-107705"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/poppler-0.42.0-through-26.10.0-stack-buffer-overflow-via-decrypt-revision6hash"
    },
    {
      "type": "REPORT",
      "url": "https://gitlab.freedesktop.org/poppler/poppler/-/work_items/1814"
    },
    {
      "type": "FIX",
      "url": "https://gitlab.freedesktop.org/poppler/poppler/-/merge_requests/2398"
    },
    {
      "type": "PACKAGE",
      "url": "https://gitlab.freedesktop.org/poppler/poppler"
    },
    {
      "type": "ARTICLE",
      "url": "https://gitlab.freedesktop.org/poppler/poppler/-/blob/poppler-26.10.0/poppler/Decrypt.cc#L1767"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Poppler 0.42.0 through 26.10.0 Stack Buffer Overflow via Decrypt::revision6Hash()"
}