Description
The png_decompress_chunk function in pngrutil.c in libpng 1.0.x before 1.0.53, 1.2.x before 1.2.43, and 1.4.x before 1.4.1 does not properly handle compressed ancillary-chunk data that has a disproportionately large uncompressed representation, which allows remote attackers to cause a denial of service (memory and CPU consumption, and application hang) via a crafted PNG file, as demonstrated by use of the deflate compression method on data composed of many occurrences of the same character, related to a "decompression bomb" attack.
CVSS Metrics
- Vector
- AV:N/AC:M/Au:N/C:N/I:N/A:P
- Access Vector
- network
- Access Cmplx
- medium
- Auth
- none
- Confidentiality
- none
- Integrity
- none
- Availability
- partial
- Weaknesses
- CWE-400
Metadata
- Primary Vendor
- LIBPNG
- Published
- 3/3/2010
- Last Modified
- 4/11/2025
- Source
- NIST NVD
- Note: Verify all details with official vendor sources before applying patches.
Affected Products
libpng : libpnglibpng : libpnglibpng : libpngapple : mac_os_xfedoraproject : fedorafedoraproject : fedorafedoraproject : fedoraopensuse : opensuseopensuse : opensuseopensuse : opensusesuse : linux_enterprise_serversuse : linux_enterprise_serversuse : linux_enterprise_serversuse : linux_enterprise_servercanonical : ubuntu_linuxcanonical : ubuntu_linuxcanonical : ubuntu_linuxcanonical : ubuntu_linuxcanonical : ubuntu_linuxdebian : debian_linuxdebian : debian_linux
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