PUBLIC MIRROR A read-only public view of Anvil. Only publicly-disclosed findings are shown; the Playbook, techniques, sessions and embargoed research are hidden.

← Findings

LIBPNG-0001

low confirmed

Sub-byte grayscale padding-bit propagation into re-encoded IDAT (png_combine_row)

🔒 Pending public disclosure

Full technical details — the precise location, reproduction, proof-of-concept and the write-up — are withheld until this finding is publicly disclosed in coordination with the upstream maintainers. The classification below is published; the rest will appear here once the advisory is live.

Classification

Targetlibpng
AreaRead utilities & chunk parsing
Vuln classinfo-leak
Severitylow
Statusconfirmed
Discovered2026-05-01