Heap-use-after-free in RDKit::Chirality::cleanupStereoGroups

{
  "id": "f37d9305949e0ad5017c3c0c46ec9d6cff26346da94443d6d919b42738fb496b",
  "url": "https://osv.dev/vulnerability/OSV-2022-134",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Heap-use-after-free in RDKit::Chirality::cleanupStereoGroups",
    "summary": "OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=44520 Crash type: Heap-use-after-free READ 1 Crash state: RDKit::Chirality::cleanupStereoGroups RDKit::MolOps::assignStereochemistry RDKit::SmilesToMol",
    "evidence": "osv:OSV-2022-134",
    "products": [
      {
        "name": {
          "value": "rdkit",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "Release_2022_03_1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "Release_2022_03_1b1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "Release_2022_03_2",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "Release_2022_03_3",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "Release_2022_03_4",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "Release_2022_03_5",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "Release_2022_09_1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "Release_2022_09_1b1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "Release_2022_09_2",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "Release_2022_09_3",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "Release_2022_09_4",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "Release_2022_09_5",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "Release_2023_03_1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "Release_2023_03_1b1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "Release_2023_03_2",
            "evidence": "/affected/0/versions"
          }
        ]
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "OSV-2022-134",
      "aliases": [
        "OSV-2022-134"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/rdkit/rdkit.git",
              "type": "GIT",
              "events": [
                {
                  "introduced": "7e575db3c495d5546832be2317291861fa7b1030"
                },
                {
                  "fixed": "7053e97a1511f3a716d4cf8320ea9ef6518dc745"
                },
                {
                  "fixed": "20a759c8b7405359fb108130a0bb17d7e4e438d7"
                }
              ]
            }
          ],
          "package": {
            "name": "rdkit",
            "purl": "pkg:generic/rdkit",
            "ecosystem": "OSS-Fuzz"
          },
          "versions": [
            "Release_2022_03_1",
            "Release_2022_03_1b1",
            "Release_2022_03_2",
            "Release_2022_03_3",
            "Release_2022_03_4",
            "Release_2022_03_5",
            "Release_2022_09_1",
            "Release_2022_09_1b1",
            "Release_2022_09_2",
            "Release_2022_09_3",
            "Release_2022_09_4",
            "Release_2022_09_5",
            "Release_2023_03_1",
            "Release_2023_03_1b1",
            "Release_2023_03_2"
          ],
          "database_specific": {
            "source": "https://github.com/google/oss-fuzz-vulns/blob/main/vulns/rdkit/OSV-2022-134.yaml"
          },
          "ecosystem_specific": {
            "severity": "HIGH"
          }
        }
      ],
      "modified": "2026-10-20T17:26:36.416806347Z",
      "provider": "osv",
      "references": [
        "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=44520"
      ]
    },
    "related_cves": [],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 390114,
  "published_at": "2022-02-10T00:00:40.784389+00:00"
}