Stack-use-after-scope in StreamReader_CApi::wait_for_file_size

{
  "id": "ba41cdf20ef613384f0058b00e1369186e9255fa7b35be2d6114a76900ffc631",
  "url": "https://osv.dev/vulnerability/OSV-2026-928",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Stack-use-after-scope in StreamReader_CApi::wait_for_file_size",
    "summary": "OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=524393006 ``` Crash type: Stack-use-after-scope READ 8 Crash state: StreamReader_CApi::wait_for_file_size Box_iloc::read_data HeifFile::append_data_from_iloc ```",
    "evidence": "osv:OSV-2026-928",
    "products": [
      {
        "name": {
          "value": "kimageformats",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "v6.28.0",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "v6.28.0-rc1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "v6.28.1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "v6.29.0-rc1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "v6.29.0",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "v6.30.0-rc1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "v6.30.0",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "v6.31.0",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "v6.31.0-rc1",
            "evidence": "/affected/0/versions"
          }
        ]
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "OSV-2026-928",
      "aliases": [
        "OSV-2026-928"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://invent.kde.org/frameworks/kimageformats.git",
              "type": "GIT",
              "events": [
                {
                  "introduced": "8768a8cf97123b559e44a8336f5ca2efa38d235f"
                }
              ]
            }
          ],
          "package": {
            "name": "kimageformats",
            "purl": "pkg:generic/kimageformats",
            "ecosystem": "OSS-Fuzz"
          },
          "versions": [
            "v6.28.0",
            "v6.28.0-rc1",
            "v6.28.1",
            "v6.29.0-rc1",
            "v6.29.0",
            "v6.30.0-rc1",
            "v6.30.0",
            "v6.31.0",
            "v6.31.0-rc1"
          ],
          "database_specific": {
            "source": "https://github.com/google/oss-fuzz-vulns/blob/main/vulns/kimageformats/OSV-2026-928.yaml"
          },
          "ecosystem_specific": {
            "severity": null
          }
        }
      ],
      "modified": "2026-10-19T15:18:31.114090Z",
      "provider": "osv",
      "references": [
        "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=524393006"
      ]
    },
    "related_cves": [],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 375318,
  "published_at": "2026-06-17T00:06:18.594494+00:00"
}