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CVE-2026-1837

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

Esta página presenta datos de fuentes públicas de vulnerabilidades. Consulta el aviso original antes de actualizar.

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).

CVSS 8.7 · Alta · EPSS 0,3% · Corrección disponible

Publicación
Actualización

Pila tecnológica: system

Productos y versiones afectados

  • libjxl

    Versiones
    • ≥ 0.9, ≤ 0.11.1: Afectada (semver)

    Sin corrección publicada

  • jpeg-xl Debian:13

    Versiones
    • 0.11.1-4
    • 0.11.1-5
    • 0.11.1-6
    Intervalos de versiones afectados
    • ECOSYSTEM: < 0.11.2-0.1~deb13u1

    Actualiza a 0.11.2-0.1~deb13u1

  • jpeg-xl Debian:14

    Versiones
    • 0.11.1-4
    • 0.11.1-5
    • 0.11.1-6
    • 0.11.2-0.1~deb13u1
    • 0.11.2-0.1~deb13u2
    Intervalos de versiones afectados
    • ECOSYSTEM: < 0.11.2-0.1

    Actualiza a 0.11.2-0.1

  • jpeg-xl Ubuntu:25.10

    Versiones
    • 0.11.1-4
    • 0.11.1-6ubuntu1
    Intervalos de versiones afectados
    • ECOSYSTEM: < 0.11.1-6ubuntu1.1

    Actualiza a 0.11.1-6ubuntu1.1

Fuentes originales

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