osv-2026-733
Vulnerability from osv_ossfuzz
Published
2026-05-14 00:10
Modified
2026-05-14 00:10
Summary
Use-of-uninitialized-value in JBIG2Stream::readSymbolDictSeg
Details

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=512468082

Crash type: Use-of-uninitialized-value
Crash state:
JBIG2Stream::readSymbolDictSeg
JBIG2Stream::readSegments
JBIG2Stream::rewind
References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "fixed_range": "1bb48122b5f6c8973bf0b737617369ef4f21e667:81ed6a3899786a8eddd251aed8c0ca8750555a8e",
        "introduced_range": "571d8138cb9ccc9ac04219a6a552d8c78e93ad88:77e545351b7ac359e19422e8158ff00f6dd597d3"
      },
      "ecosystem_specific": {
        "severity": "MEDIUM"
      },
      "package": {
        "ecosystem": "OSS-Fuzz",
        "name": "poppler",
        "purl": "pkg:generic/poppler"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "2b2808719d2c91283ae358381391bb0b37d9061d"
            },
            {
              "fixed": "81ed6a3899786a8eddd251aed8c0ca8750555a8e"
            }
          ],
          "repo": "https://gitlab.freedesktop.org/poppler/poppler.git",
          "type": "GIT"
        }
      ],
      "versions": [
        "poppler-21.07.0",
        "poppler-21.08.0",
        "poppler-21.09.0",
        "poppler-21.10.0",
        "poppler-21.11.0",
        "poppler-21.12.0",
        "poppler-22.01.0",
        "poppler-22.02.0",
        "poppler-22.03.0",
        "poppler-22.04.0",
        "poppler-22.05.0",
        "poppler-22.06.0",
        "poppler-22.07.0",
        "poppler-22.08.0",
        "poppler-22.09.0",
        "poppler-22.10.0",
        "poppler-22.11.0",
        "poppler-22.12.0",
        "poppler-23.01.0",
        "poppler-23.02.0",
        "poppler-23.03.0",
        "poppler-23.04.0",
        "poppler-23.05.0",
        "poppler-23.07.0",
        "poppler-23.08.0",
        "poppler-23.09.0",
        "poppler-23.10.0",
        "poppler-23.11.0",
        "poppler-23.12.0",
        "poppler-24.01.0",
        "poppler-24.02.0",
        "poppler-24.03.0",
        "poppler-24.04.0",
        "poppler-24.05.0",
        "poppler-24.06.0",
        "poppler-24.06.1",
        "poppler-24.07.0",
        "poppler-24.08.0",
        "poppler-24.09.0",
        "poppler-24.10.0",
        "poppler-24.11.0",
        "poppler-24.12.0",
        "poppler-25.01.0",
        "poppler-25.02.0",
        "poppler-25.03.0",
        "poppler-25.04.0",
        "poppler-25.05.0",
        "poppler-25.06.0",
        "poppler-25.07.0",
        "poppler-25.08.0",
        "poppler-25.09.0",
        "poppler-25.09.1",
        "poppler-25.10.0",
        "poppler-25.11.0",
        "poppler-25.12.0",
        "poppler-26.01.0",
        "poppler-26.02.0",
        "poppler-26.03.0",
        "poppler-26.04.0",
        "poppler-26.05.0"
      ]
    }
  ],
  "details": "OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=512468082\n\n```\nCrash type: Use-of-uninitialized-value\nCrash state:\nJBIG2Stream::readSymbolDictSeg\nJBIG2Stream::readSegments\nJBIG2Stream::rewind\n```\n",
  "id": "OSV-2026-733",
  "modified": "2026-05-14T00:10:58.837748Z",
  "published": "2026-05-14T00:10:58.837504Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=512468082"
    }
  ],
  "schema_version": "1.7.5",
  "summary": "Use-of-uninitialized-value in JBIG2Stream::readSymbolDictSeg"
}


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