Vulnerability Details CVE-2026-48029
libheif is a HEIF and AVIF file format decoder and encoder. Versions 1.19.0 through 1.21.2 have a heap OOB read in ImageItem_Grid::decode_grid_tile via irot-induced tile-coordinate underflow. Version 1.22.0 fixes the issue.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.003
EPSS Ranking 22.7%
CVSS Severity
CVSS v3 Score 7.1
References
Products affected by CVE-2026-48029
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cpe:2.3:a:struktur:libheif:1.19.0
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cpe:2.3:a:struktur:libheif:1.19.1
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cpe:2.3:a:struktur:libheif:1.19.2
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cpe:2.3:a:struktur:libheif:1.19.3
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cpe:2.3:a:struktur:libheif:1.19.4
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cpe:2.3:a:struktur:libheif:1.19.5
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cpe:2.3:a:struktur:libheif:1.19.6
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cpe:2.3:a:struktur:libheif:1.19.7
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cpe:2.3:a:struktur:libheif:1.19.8
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cpe:2.3:a:struktur:libheif:1.20.0
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cpe:2.3:a:struktur:libheif:1.20.1
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cpe:2.3:a:struktur:libheif:1.20.2
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cpe:2.3:a:struktur:libheif:1.21.0
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cpe:2.3:a:struktur:libheif:1.21.1
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cpe:2.3:a:struktur:libheif:1.21.2