# CVE-2025-57248: CVE-2025-57248

Status: published. Published: 2025-09-15. Updated: 2026-11-07.

A null pointer dereference vulnerability was discovered in SumatraPDF 3.5.2 during the processing of a crafted .djvu file. When the file is opened, the application crashes inside libmupdf.dll, specifically in the DataPool::has_data() function.

## 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://github.com/sumatrapdfreader/sumatrapdf/issues/5035

## Affected products and versions

- sumatrapdfreader / sumatrapdf: 3.5.2 (affected, custom). Source: NVD

## 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:sumatrapdfreader:sumatrapdf:3.5.2:*:*:*:*:*:*:*",
            "vulnerable": true
          }
        ],
        "negate": false,
        "operator": "OR"
      }
    ],
    "operator": "OR"
  }
]
```

## Severity and prioritization

- CVSS 3.1: 7.3 (high); CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L; source: NVD: 134c704f-9b21-4f2e-91b3-4a467353bcc0

- CISA KEV: No listing in collected sources

- EPSS: Not available

- SSVC: exploitation poc; automatable yes; technical impact partial; source NVD SSVC: 134c704f-9b21-4f2e-91b3-4a467353bcc0

- Weaknesses: CWE-476

## Exploit evidence

- exploit: https://github.com/sumatrapdfreader/sumatrapdf/issues/5035 (cve@mitre.org)

## References

- https://github.com/sumatrapdfreader/sumatrapdf/issues/5035 (cve@mitre.org; Exploit, Issue Tracking, Patch)

## Provenance

- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-57248; retrieved 2026-11-07; source updated 2026-11-07

Revision: 3701f3deb785120a1a9dc53e5970d2fc5fac652a284739c8efb170759a41af98

Canonical: https://y2.dev/cve/CVE-2025-57248

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