7.3

CVE-2025-57248: sumatrapdfreader sumatrapdf NULL Pointer Dereference

CVSS: 7.3v3.1HighAnalyzed
Published 15-09-2025Last modified 15-09-2025
Open JSON

Vulnerability summary

CVE-2025-57248 is a high (CVSS 7.3) NULL Pointer Dereference vulnerability in sumatrapdfreader sumatrapdf. EPSS estimates a 0.24% chance of exploitation in the next 30 days, higher than 14.6% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
39/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.3/10
010
High · v3.1 (CVE.org)
EPSS score
0.24%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github

Timeline

  1. 15-09-2025
    PublishedVulnerability first disclosed.
  2. 15-09-2025
    Last modifiedVulnerability information updated.

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 metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.24%

Chance of exploitation in the next 30 days

Percentile

15%

Versus all other CVEs

30-day change

0.00 pp

From 0.24% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.24%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • githubUnverified

    Sumatrapdf

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Sumatrapdfreader1 product

1 vendor · 1 product

References

1 links