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CVE-2026-93019

CVE-2026-93019 · Imager versions before 1.036 for Perl exit the process reading a TGA with a colour map length of 32768 or more in tga_palette_read

This page contains facts from public vulnerability sources. Check the original advisory before updating.

Imager versions before 1.036 for Perl exit the process reading a TGA with a colour map length of 32768 or more in tga_palette_read. The reader unpacks the two-byte colour map length into a signed short, so a length of 32768 or more becomes negative. tga_palette_read() casts that value to size_t and asks mymalloc() for a size near SIZE_MAX. The allocation fails and Imager's allocator calls exit(3). Reading an attacker-supplied file through Imager->read() triggers an uncatchable exit.

CVSS 9.1 · Critical · EPSS 0.7% · Fix available

Published
Updated

Stack: system

Affected products and versions

  • libimager-perl Debian:12

    Versions
    • 1.019+dfsg-1
    • 1.019+dfsg-2
    • 1.020+dfsg-1
    • 1.022+dfsg-1
    • 1.023+dfsg-1
    • 1.024+dfsg-1
    • 1.024+dfsg-2
    • 1.025+dfsg-1
    • 1.027+dfsg-1
    • 1.028+dfsg-1
    • 1.029+dfsg-1
    • 1.030+dfsg-1
    • 1.031+dfsg-1
    • 1.032+dfsg-1
    • 1.033+dfsg-1
    • 1.034+dfsg-1
    • 1.034+dfsg-2
    • 1.035+dfsg-1
    • 1.036+dfsg-1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • libimager-perl Debian:13

    Versions
    • 1.027+dfsg-1
    • 1.028+dfsg-1
    • 1.029+dfsg-1
    • 1.030+dfsg-1
    • 1.031+dfsg-1
    • 1.032+dfsg-1
    • 1.033+dfsg-1
    • 1.034+dfsg-1
    • 1.034+dfsg-2
    • 1.035+dfsg-1
    • 1.036+dfsg-1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • libimager-perl Debian:14

    Versions
    • 1.027+dfsg-1
    • 1.028+dfsg-1
    • 1.029+dfsg-1
    • 1.030+dfsg-1
    • 1.031+dfsg-1
    • 1.032+dfsg-1
    • 1.033+dfsg-1
    • 1.034+dfsg-1
    • 1.034+dfsg-2
    • 1.035+dfsg-1
    Affected ranges
    • ECOSYSTEM: < 1.036+dfsg-1

    Update to 1.036+dfsg-1

  • libimager-perl Ubuntu:16.04:LTS

    Versions
    • 1.003+dfsg-1
    • 1.004+dfsg-1
    • 1.004+dfsg-1build1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • libimager-perl Ubuntu:18.04:LTS

    Versions
    • 1.005+dfsg-2build1
    • 1.006+dfsg-1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • libimager-perl Ubuntu:20.04:LTS

    Versions
    • 1.011+dfsg-1
    • 1.011+dfsg-1build1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • libimager-perl Ubuntu:22.04:LTS

    Versions
    • 1.012+dfsg-1build1
    • 1.012+dfsg-2
    • 1.012+dfsg-2build1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • libimager-perl Ubuntu:24.04:LTS

    Versions
    • 1.019+dfsg-2
    • 1.020+dfsg-1
    • 1.022+dfsg-1
    • 1.023+dfsg-1
    • 1.023+dfsg-1build1
    • 1.023+dfsg-1build2
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • libimager-perl Ubuntu:26.10

    Versions
    • 1.029+dfsg-1
    • 1.031+dfsg-1
    • 1.033+dfsg-1
    • 1.035+dfsg-1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • libimager-perl Ubuntu:26.04:LTS

    Versions
    • 1.027+dfsg-1
    • 1.029+dfsg-1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

Original sources

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