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CVE-2026-1837libjxl: Out-of-bounds write in grayscale color transformation when using LCMS2

Google libjxl; Red Hat Red Hat Enterprise Linux 10; Red Hat Red Hat Enterprise Linux 7; Red Hat Red Hat Enterprise Linux 8 Publicada: (hace 9 meses)

Descripción

A specially-crafted file can cause libjxl's decoder to write pixel data to uninitialized unallocated memory. Soon after that data from another uninitialized unallocated region is copied to pixel data. This can be done by requesting color transformation of grayscale images to another grayscale color space. Buffers allocated for 1-float-per-pixel are used as if they are allocated for 3-float-per-pixel. That happens only if LCMS2 is used as CMS engine. There is another CMS engine available (selected by build flags).

Debilidad (CWE): CWE-805CWE-787CWE-770

Datos: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Se publican tal como los indican las fuentes, en inglés.

Productos y versiones afectados

FabricanteProductoVersiones
Google libjxl 0.9 – ≤ 0.11.1
libjxl project libjxl 0.9.0 – ≤ 0.11.1
Red Hat Red Hat Enterprise Linux 10 —
Red Hat Red Hat Enterprise Linux 7 —
Red Hat Red Hat Enterprise Linux 8 —
Red Hat Red Hat Enterprise Linux 9 —

Referencias y parches

Coincidencias CPE (NVD) (1)
  • cpe:2.3:a:libjxl_project:libjxl:*:*:*:*:*:*:*:* ≥ 0.9.0 ≤ 0.11.1

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