CVE-2021-30020: Gpac

Medium severity, CVSS 5.5. EPSS: 0.9% chance of exploitation in the next 30 days.

In the function gf_hevc_read_pps_bs_internal function in media_tools/av_parsers.c in GPAC 1.0.1 there is a loop, which with crafted file, pps->num_tile_columns may be larger than sizeof(pps->column_width), which results in a heap overflow in the loop.

Affected products

• Gpac Gpac: version 1.0.1 only

Published 2021-04-19. Last modified 2026-06-17.