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OpenAdvisories
Medium RHSA-2026:13719 1 CVE

Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update

Published May 6, 2026 · Updated Oct 9, 2026

Ecosystem: Red Hat

Fixed packages 4

ReleasePackageFixed in
Red Hat · Hardened Images 1 hummingbird:1 libpng 0:1.6.57-0.1.hum1
Red Hat · Hardened Images 1 hummingbird:1 libpng-devel 0:1.6.57-0.1.hum1
Red Hat · Hardened Images 1 hummingbird:1 libpng-static 0:1.6.57-0.1.hum1
Red Hat · Hardened Images 1 hummingbird:1 libpng-tools 0:1.6.57-0.1.hum1

Vulnerabilities 1

  • Medium 5.1
    CVE-2026-34757

    LIBPNG has a yse-after-free in png_set_PLTE, png_set_tRNS and png_set_hIST leading to corrupted chunk data and potential heap information disclosure

    LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files. From 1.0.9 to before 1.6.57, passing a pointer obtained from png_get_PLTE, png_get_tRNS, or png_get_hIST back into the …

    pnggroup libpng openjpeg2 fltk Debian Ubuntu Azure Linux Alpine Wolfi

References

  • report
    https://access.redhat.com/security/cve/CVE-2026-34757
  • article
    https://access.redhat.com/security/updates/classification/
  • article
    https://images.redhat.com/
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_13719.json
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2456918
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-34757
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-34757
  • article
    https://github.com/pnggroup/libpng/commit/398cbe3df03f4e11bb031e07f416dfdde3684e8a
  • article
    https://github.com/pnggroup/libpng/commit/55d20aaa322c9274491cda82c5cd4f99b48c6bcc
  • article
    https://github.com/pnggroup/libpng/issues/836
  • article
    https://github.com/pnggroup/libpng/issues/837
  • article
    https://github.com/pnggroup/libpng/security/advisories/GHSA-6fr7-g8h7-v645