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CVE-2021-29623

CVE-2021-29623 · Uninitialized variable bug in Exiv2

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

Exiv2 is a C++ library and a command-line utility to read, write, delete and modify Exif, IPTC, XMP and ICC image metadata. A read of uninitialized memory was found in Exiv2 versions v0.27.3 and earlier. Exiv2 is a command-line utility and C++ library for reading, writing, deleting, and modifying the metadata of image files. The read of uninitialized memory is triggered when Exiv2 is used to read the metadata of a crafted image file. An attacker could potentially exploit the vulnerability to leak a few bytes of stack memory, if they can trick the victim into running Exiv2 on a crafted image file. The bug is fixed in version v0.27.4.

CVSS 3.6 · Low · EPSS 1.1% · Fix available

Published
Updated

Stack: system

Affected products and versions

  • exiv2

    Versions
    • < v0.27.4: Affected

    No fix published

  • exiv2 Debian:12

    Affected ranges
    • ECOSYSTEM: < 0.27.5-1

    Update to 0.27.5-1

  • exiv2 Debian:13

    Affected ranges
    • ECOSYSTEM: < 0.27.5-1

    Update to 0.27.5-1

  • exiv2 Debian:14

    Affected ranges
    • ECOSYSTEM: < 0.27.5-1

    Update to 0.27.5-1

  • exiv2 Ubuntu:20.04:LTS

    Versions
    • 0.25-4ubuntu2
    • 0.25-4ubuntu3
    • 0.27.2-8ubuntu2
    • 0.27.2-8ubuntu2.2
    Affected ranges
    • ECOSYSTEM: < 0.27.2-8ubuntu2.4

    Update to 0.27.2-8ubuntu2.4

Original sources

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