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    RUSTSEC-2026-0445 (GHSA-MXCM-MRW6-C446)

    Vulnerability from osv_rustsec – Published: 2026-11-06 12:00 – Updated: 2026-11-06 14:33 – Source website
    VLAI
    Summary
    Degraded secret zeroization capabilities
    Details

    Versions 0.11.0 and 0.11.1 of vodozemac have degraded secret zeroization capabilities, due to changes in third-party cryptographic dependencies (chacha-20poly1305, sha2, hmac), which moved secret zeroization capabilities behind a feature flag while vodozemac disabled the default feature set.

    Impact

    The degraded zeroization capabilities could result in the production of more memory copies of encryption secrets and secrets could linger in memory longer than necessary. This marginally increases the risk of sensitive data exposure.


    {
      "affected": [
        {
          "database_specific": {
            "categories": [
              "memory-exposure"
            ],
            "cvss": null,
            "informational": null
          },
          "ecosystem_specific": {
            "affected_functions": null,
            "affects": {
              "arch": [],
              "functions": [],
              "os": []
            }
          },
          "package": {
            "ecosystem": "crates.io",
            "name": "vodozemac",
            "purl": "pkg:cargo/vodozemac"
          },
          "ranges": [
            {
              "events": [
                {
                  "introduced": "0.11.0"
                },
                {
                  "fixed": "0.11.2"
                }
              ],
              "type": "SEMVER"
            }
          ],
          "versions": []
        }
      ],
      "aliases": [
        "GHSA-mxcm-mrw6-c446"
      ],
      "database_specific": {
        "license": "CC0-1.0"
      },
      "details": "Versions 0.11.0 and 0.11.1 of vodozemac have degraded secret zeroization\ncapabilities, due to changes in third-party cryptographic dependencies\n(chacha-20poly1305, sha2, hmac), which moved secret zeroization capabilities\nbehind a feature flag while vodozemac disabled the default feature set.\n\n## Impact\n\nThe degraded zeroization capabilities could result in the production of more\nmemory copies of encryption secrets and secrets could linger in memory longer\nthan necessary. This marginally increases the risk of sensitive data exposure.",
      "id": "RUSTSEC-2026-0445",
      "modified": "2026-11-06T14:33:54Z",
      "published": "2026-11-06T12:00:00Z",
      "references": [
        {
          "type": "PACKAGE",
          "url": "https://crates.io/crates/vodozemac"
        },
        {
          "type": "ADVISORY",
          "url": "https://rustsec.org/advisories/RUSTSEC-2026-0445.html"
        },
        {
          "type": "WEB",
          "url": "https://github.com/matrix-org/vodozemac/pull/448"
        }
      ],
      "related": [],
      "severity": [],
      "summary": "Degraded secret zeroization capabilities"
    }