NULL Pointer Dereference Affecting libssh package, versions <0:0.9.6-10.el8_8



    Attack Complexity Low
    Availability High

    Threat Intelligence

    EPSS 0.08% (33rd percentile)
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6.5 medium
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4.3 medium
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Red Hat
4.3 medium

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  • Snyk ID SNYK-ORACLE8-LIBSSH-5747739
  • published 30 Jun 2023
  • disclosed 26 May 2023

How to fix?

Upgrade Oracle:8 libssh to version 0:0.9.6-10.el8_8 or higher.
This issue was patched in ELSA-2023-3839.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libssh package and not the libssh package as distributed by Oracle. See How to fix? for Oracle:8 relevant fixed versions and status.

A NULL pointer dereference was found In libssh during re-keying with algorithm guessing. This issue may allow an authenticated client to cause a denial of service.