Junos OS

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  • 1.  Vulnerability Coverage

    Posted 19 days ago

    Hi,

    I'm using JunOS 21.4R3-S11.  Some vulnerability like CVE 2026-21910 mentioned that it is affecting versions before S21.4R3-S12:

    all versions before 21.4R3-S12, 
    all versions of 22.2
    from 22.4 before 22.4R3-S8, 
    from 23.2 before 23.2R2-S5, 
    from 23.4 before 23.4R2-S5, 
    from 24.2 before 24.2R2-S3,
    from 24.4 before 24.4R2.

    while some vulnerability like CVE 2026-21921 mentioned that it is affecting all versions before 22.4R3 S8 and not mentioning 22.2 & 21.4 versions: 

    all versions before 22.4R3-S8,
    23.2 versions before 23.2R2-S5,
    23.4 versions before 23.4R2;

    Therefore, would like to clarify if 21.4 series JunOS is also affected by CVE 2026-21921?

    Regards,



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    Hoi Free
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  • 2.  RE: Vulnerability Coverage

    Posted 18 days ago

    Hoi,

    I looked at the PR (which is linked in the JSA) and it is showing the vulnerability resolved in 21.4R3-S12. 

    Juniper Networks - Problem Report Search



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    Hope this helps.

    Mark
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    Original Message