Astra Linux – Vulnerability in libpng1.6

LIBPNG is a reference library used in applications that read, create, and manipulate PNG Portable Network Graphics raster image files. In versions 1.6.36 through 1.6.55, there was an out-of-bounds read and write vulnerability in libpng’s ARM/AArch64 Neon-optimized palette expansion path. When...

The vulnerability of the libpng library lies in the lack of checks for a sufficient number of input pixels. This allows an attacker to exploit the system to disclose protected information and perform denial-of-service attacks.

The vulnerability of the libpng library lies in the lack of checks for a sufficient number of input pixels during the processing of the last partial portion of the palette extension in the ARM/AArch64 Neon optimization path. Exploiting this vulnerability can allow an attacker to disclose sensitiv...