CVE-2009-0040 — Access of Uninitialized Pointer in Libpng
Severity
6.8MEDIUMNVD
EPSS
8.3%
top 7.75%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedFeb 22
Latest updateMay 3
Description
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.
CVSS vector
AV:N/AC:M/C:P/I:P/A:PExploitability: 8.6 | Impact: 6.4
Affected Packages6 packages
Also affects: Debian Linux 4.0, 5.0, Fedora 10, 9, Linux Enterprise 10.0, 9.0