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rust-memoffset — security advisory

Type: advisorySources: OSVAdvisory ID: UBUNTU-CVE-2019-15553

An issue was discovered in the memoffset crate before 0.5.0 for Rust. offset_of and span_of can cause exposure of uninitialized memory.

Products
rust-memoffset
Affected versions
0.2.1-1, 0.5.3-1, 0.6.4-1, 0.6.5-1, 0.8.0-1
Fixed versions
Not specified
CVEs
CVE-2019-15553
Confirmed fixed CVEs
Not specified
Updated in this feed
31 Oct 2026, 00:31 UTC · Revision 1

Source evidence

UBUNTU-CVE-2019-15553

core-osv · Original source

Published 26 Aug 2019, 15:15 UTC

An issue was discovered in the memoffset crate before 0.5.0 for Rust. offset_of and span_of can cause exposure of uninitialized memory.

osv:UBUNTU-CVE-2019-15553

rust-memoffset

Fixed versions: Not specified

rust-memoffset

Fixed versions: Not specified

rust-memoffset

Fixed versions: Not specified

rust-memoffset

Fixed versions: Not specified

rust-memoffset

Fixed versions: Not specified

rust-memoffset

Fixed versions: Not specified

Complete source record
{
  "id": "ae4cb6ff34b5e02a5e53680d9c60d0a3031f8a625c4b6517f401bea931f36b72",
  "url": "https://osv.dev/vulnerability/UBUNTU-CVE-2019-15553",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "UBUNTU-CVE-2019-15553",
    "summary": "An issue was discovered in the memoffset crate before 0.5.0 for Rust. offset_of and span_of can cause exposure of uninitialized memory.",
    "evidence": "osv:UBUNTU-CVE-2019-15553",
    "products": [
      {
        "name": {
          "value": "rust-memoffset",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "0.2.1-1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "0.5.3-1",
            "evidence": "/affected/0/versions"
          }
        ]
      },
      {
        "name": {
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          "evidence": "/affected/1/package/name"
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        "prerequisites": [],
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        "affected_versions": [
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            "value": "0.5.3-1",
            "evidence": "/affected/1/versions"
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            "evidence": "/affected/1/versions"
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      {
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      {
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            "evidence": "/affected/4/versions"
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      {
        "name": {
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        "affected_versions": [
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            "evidence": "/affected/5/versions"
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        ]
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    ],
    "severity": "high",
    "structured": {
      "id": "UBUNTU-CVE-2019-15553",
      "aliases": [
        "UBUNTU-CVE-2019-15553"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"
        },
        {
          "type": "Ubuntu",
          "score": "low"
        }
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      "affected": [
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            "purl": "pkg:deb/ubuntu/rust-memoffset?arch=source&distro=focal",
            "ecosystem": "Ubuntu:20.04:LTS"
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          "versions": [
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          "ecosystem_specific": {
            "binaries": [
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        {
          "ranges": [
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          ],
          "package": {
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            "purl": "pkg:deb/ubuntu/rust-memoffset?arch=source&distro=jammy",
            "ecosystem": "Ubuntu:22.04:LTS"
          },
          "versions": [
            "0.5.3-1",
            "0.6.4-1"
          ],
          "database_specific": {
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            "ecosystem": "Ubuntu:24.04:LTS"
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          "versions": [
            "0.6.5-1"
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          "versions": [
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          ],
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          },
          "ecosystem_specific": {
            "binaries": [
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                "binary_version": "0.8.0-1"
              }
            ]
          }
        },
        {
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          "versions": [
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          "database_specific": {
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          "ecosystem_specific": {
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                "binary_version": "0.8.0-1"
              }
            ]
          }
        },
        {
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          ],
          "package": {
            "name": "rust-memoffset",
            "purl": "pkg:deb/ubuntu/rust-memoffset?arch=source&distro=resolute",
            "ecosystem": "Ubuntu:26.04:LTS"
          },
          "versions": [
            "0.8.0-1"
          ],
          "database_specific": {
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          },
          "ecosystem_specific": {
            "binaries": [
              {
                "binary_name": "librust-memoffset-dev",
                "binary_version": "0.8.0-1"
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            ]
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        }
      ],
      "modified": "2026-10-17T12:55:35.910505209Z",
      "provider": "osv",
      "upstream": [
        "CVE-2019-15553"
      ],
      "references": [
        "https://ubuntu.com/security/CVE-2019-15553",
        "https://github.com/Gilnaa/memoffset/issues/9#issuecomment-505461490",
        "https://rustsec.org/advisories/RUSTSEC-2019-0011.html",
        "https://www.cve.org/CVERecord?id=CVE-2019-15553"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2019-15553",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 353897,
  "published_at": "2019-08-26T15:15:00+00:00"
}