ANT-2026-F1GCJ0JY · graphicsmagick · Use-after-free

use-after-free medium Severity Claude critical · Security research firm medium · Maintainer - Discovered by Claude Mythos Preview REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Ada Logics. ANT-2026-F1GCJ0JY: Use-after-free in miff.c:1048...