Findings

CVE-2026-3805

When doing a second SMB request to the same host again, curl would wrongly use a data pointer pointing into already freed memory.

Published Mar 11, 2026 · updated Sep 14, 2026 · haxx curl

When doing a second SMB request to the same host again, curl would wrongly use a data pointer pointing into already freed memory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Mar 11, 2026 · NIST NVD

    Detected

    When doing a second SMB request to the same host again, curl would wrongly use a data pointer pointing into already freed memory.

  2. Sep 14, 2026 · NIST NVD

    Updated

    When doing a second SMB request to the same host again, curl would wrongly use a data pointer pointing into already freed memory.

Affected

  • cpe haxx/curlversion unspecified

Sources

  • CVE.orgVulnerability recordCVE-2026-3805

    Official CVE identifier

    cve.org
  • NIST NVDVulnerability recordCVE-2026-3805

    When doing a second SMB request to the same host again, curl would wrongly use a data pointer pointing into already freed memory.

    nvd.nist.gov

References