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Highest advisory severityCritical 1 vendor · 1 advisory

CVE-2026-54058

CVE-2026-54058: 1 tracked advisory record across Red Hat. Compare vendor sources and published fix guidance.

Compare the source-linked records below. Ratings and product/version details belong to each advisory; they are not a single CVE-wide score or proof that every listed product is affected. How VulniPulse collects and checks evidence.

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Vendor advisory comparison

Red Hat

1 advisory
  • Advisory severityCritical9.1

    Critical [CVE-2026-54058] Memory disclosure or denial of service via crafted McIdas AREA image

    CVE-2026-54058Source published Source updated

    Pillow is a Python imaging library. Prior to 12.3.0, when Pillow loads an uncompressed McIdas AREA image from a filename through the mmap raw codec path, attacker-controlled header words can set a row stride smaller than the natural row width, causing pixel access such as Image.tobytes(), getpixel, convert, or save to read beyond the mapped region and disclose adjacent process memory or fault. This issue is fixed in version 12.3.0. A remote attacker who can supply such an image to a service that loads it without user interaction may disclose adjacent process memory or trigger a denial of service. Red Hat severity: Important — CVSS 9.1 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H). Weakness: CWE-125.

    Affected products in this advisory
    • Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support
    • Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On
    • Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support
    • Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On

    22 more entries in the full advisory.

    Source-reported affected versions
    • < 12.3.0
    Source-reported fixed versions
    • 12.3.0
    • python-pillow-0:5.1.1-23.el8_10
    • python-pillow-0:5.1.1-15.el8_4.2
    • python-pillow-0:5.1.1-20.el8_6.1

    46 more entries in the full advisory.

    Mitigation guidance
    No mitigation guidance extracted; consult the source.
    Full advisory and evidenceOpen source bulletin

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