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Loop with Unreachable Exit Condition ('Infinite Loop') Affecting curl package, versions <7.47.0-1ubuntu2.19+esm4

low

Snyk CVSS

    Attack Complexity Low
    Availability High

    Threat Intelligence

    EPSS 0.19% (56th percentile)
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NVD
7.5 high
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SUSE
3.7 low
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Red Hat
7.5 high

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  • Snyk ID SNYK-UBUNTU1604-CURL-2814226
  • published 11 May 2022
  • disclosed 2 Jun 2022
Report a new vulnerability Found a mistake?

Introduced: 11 May 2022

CVE-2022-27781 Open this link in a new tab
CWE-835 Open this link in a new tab

How to fix?

Upgrade Ubuntu:16.04 curl to version 7.47.0-1ubuntu2.19+esm4 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream curl package and not the curl package as distributed by Ubuntu. See How to fix? for Ubuntu:16.04 relevant fixed versions and status.

libcurl provides the CURLOPT_CERTINFO option to allow applications torequest details to be returned about a server's certificate chain.Due to an erroneous function, a malicious server could make libcurl built withNSS get stuck in a never-ending busy-loop when trying to retrieve thatinformation.