CVE-2026-61371 [HIGH] – Microsoft AVML before 0.17.0 could follow a symlink when opening a destination output path

Microsoft AVML before 0.17.0 could follow a symlink when opening a destination output path on Unix, allowing truncation/overwrite of the symlink target. The destructive effect is performed at open-time via O_TRUNC, and can happen before full input validation completes (“truncation-before-validation”).