CVE-2026-87864 affecting package rust 1.96.1-2

{
  "id": "915b524d63553671ca75980b73204f506d55c5551b39c9a2d8f19b43af7650d3",
  "url": "https://osv.dev/vulnerability/AZL-110223",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2026-87864 affecting package rust 1.96.1-2",
    "summary": "Enabling `CURLOPT_CRLF` causes curl to advertise the raw input byte count in the `IMAP APPEND {N}` literal while transmitting line-ending expanded data. The server reads only $N$ bytes for the payload, causing the remaining overflow bytes to be interpreted and executed as pipelined IMAP commands within the authenticated session.",
    "evidence": "osv:AZL-110223",
    "products": [
      {
        "name": {
          "value": "rust",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "AZL-110223",
      "aliases": [
        "AZL-110223"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "1.85.0"
                },
                {
                  "last_affected": "1.96.1-2"
                }
              ]
            }
          ],
          "package": {
            "name": "rust",
            "purl": "pkg:rpm/azure-linux/rust",
            "ecosystem": "Azure Linux:3"
          },
          "database_specific": {
            "source": "https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-110223.json"
          }
        }
      ],
      "modified": "2026-10-27T05:36:16Z",
      "provider": "osv",
      "upstream": [
        "CVE-2026-87864"
      ],
      "references": [
        "https://nvd.nist.gov/vuln/detail/CVE-2026-87864"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2026-87864",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 460599,
  "published_at": "2026-10-20T21:17:20+00:00"
}