# CVE-2022-48564: CVE-2022-48564

Status: published. Published: 2023-08-22. Updated: 2026-11-02.

read_ints in plistlib.py in Python through 3.9.1 is vulnerable to a potential DoS attack via CPU and RAM exhaustion when processing malformed Apple Property List files in binary format.

## Remediation

- fix: The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches. (source: cve@mitre.org) — https://bugs.python.org/issue42103
- fix: The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches. (source: af854a3a-2127-422b-91ae-364da2661108) — https://bugs.python.org/issue42103

## Affected products and versions

- n/a / n/a: Version not specified (affected). Source: CNA: mitre

## NVD configuration conditions

Affected CPE matches depend on the following AND/OR and negation conditions:

```json
[
  {
    "negate": false,
    "nodes": [
      {
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:a:python:python:*:*:*:*:*:*:*:*",
            "versionEndExcluding": "3.6.13",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:a:python:python:*:*:*:*:*:*:*:*",
            "versionEndExcluding": "3.7.10",
            "versionStartIncluding": "3.7.0",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:a:python:python:*:*:*:*:*:*:*:*",
            "versionEndExcluding": "3.8.7",
            "versionStartIncluding": "3.8.0",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:a:python:python:*:*:*:*:*:*:*:*",
            "versionEndExcluding": "3.9.1",
            "versionStartIncluding": "3.9.0",
            "vulnerable": true
          }
        ],
        "negate": false,
        "operator": "OR"
      }
    ],
    "operator": "OR"
  },
  {
    "negate": false,
    "nodes": [
      {
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vmware_vsphere:*:*",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:windows:*:*",
            "vulnerable": true
          }
        ],
        "negate": false,
        "operator": "OR"
      }
    ],
    "operator": "OR"
  }
]
```

## Severity and prioritization

- CVSS 3.1: 6.5 (medium); CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H; source: NVD: nvd@nist.gov

- CISA KEV: No listing in collected sources

- EPSS: 1.65% as of 2026-11-02; percentile 76.53%

- SSVC: exploitation none; automatable no; technical impact partial; source ADP: CISA-ADP

- Weaknesses: CWE-400

## Exploit evidence

- exploit: https://bugs.python.org/issue42103 (cve@mitre.org)
- exploit: https://bugs.python.org/issue42103 (af854a3a-2127-422b-91ae-364da2661108)

## References

- https://bugs.python.org/issue42103 (CNA: mitre)

- https://security.netapp.com/advisory/ntap-20230929-0009/ (CNA: mitre)

- https://lists.debian.org/debian-lts-announce/2023/10/msg00017.html (CNA: mitre; mailing-list)

- https://bugs.python.org/issue42103 (ADP: CVE; x_transferred)

- https://security.netapp.com/advisory/ntap-20230929-0009/ (ADP: CVE; x_transferred)

- https://lists.debian.org/debian-lts-announce/2023/10/msg00017.html (ADP: CVE; mailing-list, x_transferred)

- https://bugs.python.org/issue42103 (cve@mitre.org; Exploit, Issue Tracking, Patch, Vendor Advisory)

- https://lists.debian.org/debian-lts-announce/2023/10/msg00017.html (cve@mitre.org; Mailing List, Third Party Advisory, VDB Entry)

- https://security.netapp.com/advisory/ntap-20230929-0009/ (cve@mitre.org; Third Party Advisory)

- https://bugs.python.org/issue42103 (af854a3a-2127-422b-91ae-364da2661108; Exploit, Issue Tracking, Patch, Vendor Advisory)

- https://lists.debian.org/debian-lts-announce/2023/10/msg00017.html (af854a3a-2127-422b-91ae-364da2661108; Mailing List, Third Party Advisory, VDB Entry)

- https://security.netapp.com/advisory/ntap-20230929-0009/ (af854a3a-2127-422b-91ae-364da2661108; Third Party Advisory)

## Provenance

- CNA: mitre: https://www.cve.org/CVERecord?id=CVE-2022-48564; retrieved 2026-11-02; source updated 2026-11-02

- NVD: https://nvd.nist.gov/vuln/detail/CVE-2022-48564; retrieved 2026-11-03; source updated 2026-11-02

- FIRST EPSS: https://api.first.org/data/v1/epss?cve=CVE-2022-48564; retrieved 2026-11-02; source updated Not reported

Revision: aaa1953015702dbf629d35538a6e7737298b6f06d1c90770afde1f585b9157b4

Canonical: https://y2.dev/cve/CVE-2022-48564

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