osv-2026-892
Vulnerability from osv_ossfuzz
Published
2026-06-09 00:07
Modified
2026-06-10 14:44
Summary
Heap-buffer-overflow in decode_R13_RNUMBER
Details

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=521044421

Crash type: Heap-buffer-overflow READ 8
Crash state:
decode_R13_RNUMBER
dwg_decode
llvmfuzz.c
References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "fixed_range": "08c034a224a4e9512b1cd62e74b5cf081a4cfa89:360ed38a2c4f948689e5f9851a744016928becdc",
        "introduced_range": "69d7addfaa05ffd3b9a49986f361917e23780083:57e4fd0969532e585b966d15cbbf60ca6e868b32"
      },
      "ecosystem_specific": {
        "severity": "MEDIUM"
      },
      "package": {
        "ecosystem": "OSS-Fuzz",
        "name": "libredwg",
        "purl": "pkg:generic/libredwg"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "c89f635505028a11fadb9a0904d2c3bd44f1b23a"
            },
            {
              "fixed": "360ed38a2c4f948689e5f9851a744016928becdc"
            },
            {
              "fixed": "0156c780ac6b109d191975041def0a258b0b75fc"
            }
          ],
          "repo": "https://github.com/LibreDWG/libredwg",
          "type": "GIT"
        }
      ],
      "versions": [
        "0.13.4.8237",
        "0.13.4.8241",
        "0.13.4.8246"
      ]
    }
  ],
  "details": "OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=521044421\n\n```\nCrash type: Heap-buffer-overflow READ 8\nCrash state:\ndecode_R13_RNUMBER\ndwg_decode\nllvmfuzz.c\n```\n",
  "id": "OSV-2026-892",
  "modified": "2026-06-10T14:44:34.266794Z",
  "published": "2026-06-09T00:07:59.081654Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=521044421"
    }
  ],
  "schema_version": "1.7.5",
  "summary": "Heap-buffer-overflow in decode_R13_RNUMBER"
}


Log in or create an account to share your comment.




Tags
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.