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Off-by-one Error Affecting libtasn1-6 package, versions <4.7-3ubuntu0.16.04.3+esm3

low

Snyk CVSS

    Attack Complexity Low
    Confidentiality High
    Availability High

    Threat Intelligence

    EPSS 0.37% (73rd percentile)
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NVD
9.1 critical
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SUSE
9.1 critical
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Red Hat
5.9 medium

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  • Snyk ID SNYK-UBUNTU1604-LIBTASN16-3062921
  • published 26 Oct 2022
  • disclosed 24 Oct 2022
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Introduced: 24 Oct 2022

CVE-2021-46848 Open this link in a new tab
CWE-193 Open this link in a new tab

How to fix?

Upgrade Ubuntu:16.04 libtasn1-6 to version 4.7-3ubuntu0.16.04.3+esm3 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libtasn1-6 package and not the libtasn1-6 package as distributed by Ubuntu. See How to fix? for Ubuntu:16.04 relevant fixed versions and status.

GNU Libtasn1 before 4.19.0 has an ETYPE_OK off-by-one array size check that affects asn1_encode_simple_der.

References