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    2 vulnerabilities by tirr-c

    CVE-2026-52834 (GCVE-0-2026-52834)

    Vulnerability from nvd – Published: 2026-08-19 14:55 – Updated: 2026-08-19 18:19
    VLAI
    Title
    jxl-oxide: Out-of-bounds writes due to integer overflow in jxl-grid on 32-bit platforms
    Summary
    jxl-oxide is a pure Rust implementation of a JPEG XL decoder. Prior to jxl-grid 0.6.2, decoding a crafted JPEG XL image on a 32-bit platform can overflow length calculations in AlignedGrid::with_alloc_tracker and related grid and subgrid arithmetic. A 65536 x 65536 frame can pass the frame-area limit while overflowing the usize element count, causing modular, VarDCT, or filter rendering paths to allocate a backing buffer smaller than the logical grid. A tiny bitstream-controlled cropped frame combined with a huge canvas or requested region can also reach the vulnerable composition path in crates/jxl-render/src/blend.rs through ordinary render_frame(). Later mutable subgrid and raw-pointer operations can then perform attacker-controlled out-of-bounds writes, causing memory corruption, denial of service, or arbitrary code execution. This issue is fixed in jxl-grid version 0.6.2.
    Severity
    7.3 (High)
    CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:H
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-08-19 18:03 UTC
    CWE
    • CWE-122 - Heap-based Buffer Overflow
    • CWE-131 - Incorrect Calculation of Buffer Size
    • CWE-190 - Integer Overflow or Wraparound
    Assigner
    References
    Impacted products
    Show details on NVD website
    To clipboard 

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    CVE-2026-52834 (GCVE-0-2026-52834)

    Vulnerability from cvelistv5 – Published: 2026-08-19 14:55 – Updated: 2026-08-19 18:19
    VLAI
    Title
    jxl-oxide: Out-of-bounds writes due to integer overflow in jxl-grid on 32-bit platforms
    Summary
    jxl-oxide is a pure Rust implementation of a JPEG XL decoder. Prior to jxl-grid 0.6.2, decoding a crafted JPEG XL image on a 32-bit platform can overflow length calculations in AlignedGrid::with_alloc_tracker and related grid and subgrid arithmetic. A 65536 x 65536 frame can pass the frame-area limit while overflowing the usize element count, causing modular, VarDCT, or filter rendering paths to allocate a backing buffer smaller than the logical grid. A tiny bitstream-controlled cropped frame combined with a huge canvas or requested region can also reach the vulnerable composition path in crates/jxl-render/src/blend.rs through ordinary render_frame(). Later mutable subgrid and raw-pointer operations can then perform attacker-controlled out-of-bounds writes, causing memory corruption, denial of service, or arbitrary code execution. This issue is fixed in jxl-grid version 0.6.2.
    Severity
    7.3 (High)
    CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:H
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-08-19 18:03 UTC
    CWE
    • CWE-122 - Heap-based Buffer Overflow
    • CWE-131 - Incorrect Calculation of Buffer Size
    • CWE-190 - Integer Overflow or Wraparound
    Assigner
    References
    Impacted products
    Show details on NVD website
    To clipboard 

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