LIBHEIF-0010
medium harness-verifiedImage sequences: unbounded allocation reading a sample (append_data_from_file_range ignores security limits) → memory-exhaustion DoS
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
| Target | libheif |
|---|---|
| Area | Image sequences |
| Vuln class | dos |
| Severity | medium |
| Status | harness-verified |
| Discovered | 2026-06-21 |