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CVE-2026-34588 OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for…

Description

OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. From 3.1.0 to before 3.2.7, 3.3.9, and 3.4.9, internal_exr_undo_piz() advances the working wavelet pointer with signed 32-bit arithmetic. Because nx, ny, and wcount are int, a crafted EXR file can make this product overflow and wrap. The next channel then decodes from an incorrect address. The wavelet decode path operates in place, so this yields both out-of-bounds reads and out-of-bounds writes. This vulnerability is fixed in 3.2.7, 3.3.9, and 3.4.9.

Produits et versions touchés

Produit Versions touchées Corrigé en
openexr 3.4 3.4.0 → < 3.4.9 3.4.9
openexr 3.3 3.3.0 → < 3.3.9 3.3.9
openexr 3.2 3.2.0 → < 3.2.7 3.2.7
openexr 3.1 3.1.0 → 3.1.13 Pas de correctif indiqué
Red Hat Enterprise Linux AppStream EUS (v. 10.0) Versions non publiées
Red Hat Enterprise Linux AppStream (v. 10) Versions non publiées
Red Hat Enterprise Linux AppStream E4S (v.9.0) Versions non publiées
Red Hat Enterprise Linux AppStream E4S (v.9.2) Versions non publiées
Red Hat Enterprise Linux AppStream EUS (v.9.4) Versions non publiées
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Chronologie

  1. Publiée
  2. Dernière modification
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