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 Metrics
- Vector
- AV:N/AC:M/Au:N/C:P/I:P/A:P
- Access Vector
- network
- Access Cmplx
- medium
- Auth
- none
- Confidentiality
- partial
- Integrity
- partial
- Availability
- partial
- Weaknesses
- CWE-824
Metadata
- Primary Vendor
- LIBPNG
- Published
- 2/22/2009
- Last Modified
- 4/9/2025
- Source
- NIST NVD
- Note: Verify all details with official vendor sources before applying patches.
Affected Products
libpng : libpnglibpng : libpngapple : iphone_osapple : mac_os_xopensuse : opensuseopensuse : opensuseopensuse : opensusesuse : linux_enterprisesuse : linux_enterprisesuse : linux_enterprise_desktopsuse : linux_enterprise_serverdebian : debian_linuxdebian : debian_linuxfedoraproject : fedorafedoraproject : fedora
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