High severity · published Sep 15, 2025
CVE-2025-57248
A null pointer dereference vulnerability was discovered in SumatraPDF 3.5.2 during the processing of a crafted .djvu file
7.3
CVSS
0.2%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 15% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SU
Sumatrapdf · Sumatrapdfreader
3.5.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-57248
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-57248
Exploit
https://github.com/sumatrapdfreader/sumatrapdf/issues/5035
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