TencentOS Server 3: libpng12 (TSSA-2026:0255)

The version of Tencent Linux installed on the remote TencentOS Server 3 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the TSSA-2026:0255 advisory. Package updates are available for TencentOS Server 3 that fix the following vulnerabilities:...

libpng: LIBPNG has a heap buffer overflow in png_set_quantize

A heap based buffer overflow flaw has been discovered in LibPNG. Prior to version 1.6.55, an out-of-bounds read vulnerability exists in the pngsetquantize API function. When the function is called with no histogram and the number of colors in the palette is more than twice the maximum supported b...

CVE-2025-64505

LIBPNG is a reference library for use in applications that read, create, and manipulate PNG Portable Network Graphics raster image files. Prior to version 1.6.51, a heap buffer over-read vulnerability exists in libpng's pngdoquantize function when processing PNG files with malformed palette...