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CVE-2021-29458 PUBLISHED

Exiv2 is a command-line utility and C++ library for reading, writing, deleting, and modifying the metadata of image files. An out-of-bounds read was found in Exiv2 versions v0.27.3 and earlier. The out-of-bounds read is triggered when Exiv2 is used to write metadata into a crafted image file. An attacker could potentially exploit the vulnerability to cause a denial of service by crashing Exiv2, if they can trick the victim into running Exiv2 on a crafted image file. Note that this bug is only triggered when writing the metadata, which is a less frequently used Exiv2 operation than reading the metadata. For example, to trigger the bug in the Exiv2 command-line application, you need to add an extra command-line argument such as insert. The bug is fixed in version v0.27.4.

EPSS 0.10% · 26.4th percentile

Risk Scores

EPSS Score
0.10%
26.4th percentile

Affected Products

VendorProductVersions
Ubuntu:Pro:16.04:LTSexiv20.25-2.1, 0, 0.25-1ubuntu1
Ubuntu:20.04:LTSexiv20.27.2-8ubuntu2, 0, 0.25-4ubuntu2
Ubuntu:18.04:LTSexiv20.25-3.1ubuntu0.18.04.3, 0.25-3.1ubuntu0.18.04.4, 0.25-3.1ubuntu0.18.04.5

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References

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