The PNG reference library (aka libpng) before 1.0.43, and 1.2.x before 1.2.35, as used in pngcrush and other applications, allows context-dependent attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted PNG file that triggers a free of an uninitialized pointer in (1) the png_read_png function, (2) pCAL chunk handling, or (3) setup of 16-bit gamma tables.
Published 2009-02-22 22:30:00
Updated 2024-02-09 03:25:44
Source Red Hat, Inc.
View at NVD,   CVE.org
Vulnerability category: Execute codeDenial of service

Exploit prediction scoring system (EPSS) score for CVE-2009-0040

Probability of exploitation activity in the next 30 days: 6.86%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 94 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2009-0040

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source
6.8
MEDIUM AV:N/AC:M/Au:N/C:P/I:P/A:P
8.6
6.4
NIST

CWE ids for CVE-2009-0040

References for CVE-2009-0040

Products affected by CVE-2009-0040

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