libheif Heap OOB Read via irot-induced tile-coordinate underflow (CVE-2026-4829)
Security Advisory
CVE-2026-4829
High
strukturag/libheif
Affected:
- libheif v1.19.0
- libheif v1.20.x
- libheif v1.21.0
- libheif v1.21.1
- libheif v1.21.2
Fixed in:
- libheif v1.22.0
Referenced CVEs:
CVE-2026-48029 · 7.1
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