Summary
The libpng packages contain a library of functions for creating and manipulating Portable Network Graphics (PNG) image format files.
Security Fix(es):
* libpng: libpng: Information disclosure and denial of service via integer truncation in simplified write API (CVE-2026-22801)
* libpng: libpng: Denial of service and information disclosure via heap buffer over-read in png_image_finish_read (CVE-2026-22695)
* libpng: LIBPNG has a heap buffer overflow in png_set_quantize (CVE-2026-25646)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Fixed packages 1
| Release | Package | Fixed in |
|---|---|---|
| Rocky Linux · 10 | libpng | 2:1.6.40-8.el10_1.2 |
Vulnerabilities 3
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High 8.3
LIBPNG has a heap buffer overflow in png_set_quantize
LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files. Prior to 1.6.55, an out-of-bounds read vulnerability exists in the png_set_quantize() API function. When the function i…
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Medium 6.8
LIBPNG has an integer truncation causing heap buffer over-read in png_image_write_*
LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files. From 1.6.26 to 1.6.53, there is an integer truncation in the libpng simplified write API functions png_write_image_16bi…
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Medium 6.1
LIBPNG has a heap buffer over-read in png_image_read_direct_scaled (regression from CVE-2025-65018 fix)
LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files. From 1.6.51 to 1.6.53, there is a heap buffer over-read in the libpng simplified API function png_image_finish_read whe…