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Vulnerability record · CVE-2025-57248 · published 15 September 2025

CVE-2025-57248: Sumatrapdfreader sumatrapdf null pointer dereference vulnerability

Sumatrapdfreader · Sumatrapdf

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.

7.3 CVSS 3.1 High EPSS 0.24% · top 86.0% CWE-476 · NULL pointer dereference
7.3CVSS 3.1 base score
0.24%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References, 1 tagged exploit
17 Jun 2026Last modified by NVD

Description

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/sumatrapdfreader/sumatrapdf/issues/5035 ExploitIssue TrackingPatch

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2025-57248), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.