CVE-2021-43174

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    CVE-2021-43174

    Published: 9 Nov 2021Last Modified: 20 Oct 2026

    Summary:

    Details: NLnet Labs Routinator versions 0.9.0 up to and including 0.10.1, support the gzip transfer encoding when querying RRDP repositories. This encoding can be used by an RRDP repository to cause an out-of-memory crash in these versions of Routinator. RRDP uses XML which allows arbitrary amounts of white space in the encoded data. The gzip scheme compresses such white space extremely well, leading to very small compressed files that become huge when being decompressed for further processing, big enough that Routinator runs out of memory when parsing input data waiting for the next XML element.

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 67c1df060db58cf01f112ec4a5c27414025129f0

    Affected versions

    v0.10.1
    v0.10.1-rc3
    v0.10.1-rc2
    v0.10.1-rc1
    v0.10.0
    v0.10.0-rc3
    v0.10.0-rc2
    v0.10.0-rc1

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High