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Off-by-one Error Affecting libtasn1-6 package, versions <4.16.0-2+deb11u1

Severity

 Recommended
0.0
critical
0
10

Snyk's Security Team recommends NVD's CVSS assessment

    Threat Intelligence

    EPSS
    0.39% (74th percentile)

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  • Snyk ID SNYK-DEBIAN11-LIBTASN16-3061097
  • published 25 Oct 2022
  • disclosed 24 Oct 2022
Report a new vulnerability Found a mistake?

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 Debian:11 libtasn1-6 to version 4.16.0-2+deb11u1 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 Debian. See How to fix? for Debian:11 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

CVSS Scores

version 3.1
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NVD

9.1 critical
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    High
  • Integrity (I)
    None
  • Availability (A)
    High
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SUSE

9.1 critical
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Red Hat

5.9 medium