Loop with Unreachable Exit Condition ('Infinite Loop') Affecting exiv2 package, versions *


Severity

Recommended
low

Based on CentOS security rating.

Threat Intelligence

EPSS
0.11% (47th percentile)

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  • Snyk IDSNYK-CENTOS7-EXIV2-2026089
  • published20 Aug 2021
  • disclosed8 Aug 2021

Introduced: 8 Aug 2021

CVE-2021-37621  (opens in a new tab)
CWE-835  (opens in a new tab)

How to fix?

There is no fixed version for Centos:7 exiv2.

NVD Description

Note: Versions mentioned in the description apply only to the upstream exiv2 package and not the exiv2 package as distributed by Centos. See How to fix? for Centos:7 relevant fixed versions and status.

Exiv2 is a command-line utility and C++ library for reading, writing, deleting, and modifying the metadata of image files. An infinite loop was found in Exiv2 versions v0.27.4 and earlier. The infinite loop is triggered when Exiv2 is used to print the metadata of a crafted image file. An attacker could potentially exploit the vulnerability to cause a denial of service, if they can trick the victim into running Exiv2 on a crafted image file. Note that this bug is only triggered when printing the image ICC profile, which is a less frequently used Exiv2 operation that requires an extra command line option (-p C). The bug is fixed in version v0.27.5.

CVSS Scores

version 3.1