Description
The png_do_expand_palette function in libpng before 1.6.8 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via (1) a PLTE chunk of zero bytes or (2) a NULL palette, related to pngrtran.c and pngset.c.
CVSS Metrics
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- Attack Vector
- network
- Complexity
- low
- Privileges
- none
- User Action
- required
- Scope
- unchanged
- Confidentiality
- none
- Integrity
- none
- Availability
- high
- Weaknesses
- NVD-CWE-OtherCWE-476
Metadata
- Primary Vendor
- LIBPNG
- Published
- 1/12/2014
- Last Modified
- 6/10/2025
- Source
- NIST NVD
- Note: Verify all details with official vendor sources before applying patches.
Affected Products
libpng : libpnglibpng : libpnglibpng : libpnglibpng : libpnglibpng : libpnglibpng : libpnglibpng : libpnglibpng : libpnglibpng : libpnglibpng : libpnglibpng : libpnglibpng : libpnglibpng : libpnglibpng : libpnglibpng : libpng
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