Loop with Unreachable Exit Condition ('Infinite Loop') Affecting exiv2 package, versions <0.27.2-r6


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
0.31% (70th percentile)

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  • Snyk IDSNYK-ALPINE321-EXIV2-8483774
  • published6 Dec 2024
  • disclosed27 Jan 2020

Introduced: 27 Jan 2020

CVE-2019-20421  (opens in a new tab)
CWE-835  (opens in a new tab)

How to fix?

Upgrade Alpine:3.21 exiv2 to version 0.27.2-r6 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream exiv2 package and not the exiv2 package as distributed by Alpine. See How to fix? for Alpine:3.21 relevant fixed versions and status.

In Jp2Image::readMetadata() in jp2image.cpp in Exiv2 0.27.2, an input file can result in an infinite loop and hang, with high CPU consumption. Remote attackers could leverage this vulnerability to cause a denial of service via a crafted file.

CVSS Scores

version 3.1