GHSA-5wjf-62hw-q78r

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    GHSA-5wjf-62hw-q78r

    Published: 10 Sept 2021Last Modified: 4 Feb 2026

    Summary: Excessive CPU usage

    Details: Envoy, which Pomerium is based on, incorrectly handles resetting of HTTP/2 streams with excessive complexity. This can lead to high CPU utilization when a large number of streams are reset. ### Impact This can result in a DoS condition. ### Patches Pomerium versions 0.14.8 and 0.15.1 contain an upgraded envoy binary with this vulnerability patched. ### Workarounds N/A ### References [envoy GSA](https://github.com/envoyproxy/envoy/security/advisories/GHSA-3xh3-33v5-chcc) [envoy CVE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-32778) [envoy announcement](https://groups.google.com/g/envoy-announce/c/5xBpsEZZDfE/m/wD05NZBbAgAJ) ### For more information If you have any questions or comments about this advisory: * Open an issue in [pomerium/pomerium](https://github.com/pomerium/pomerium/issues) * Email us at [[email protected]](mailto:[email protected])

    References: https://github.com/envoyproxy/envoy/security/advisories/GHSA-3xh3-33v5-chcc, https://github.com/pomerium/pomerium/security/advisories/GHSA-5wjf-62hw-q78r, https://nvd.nist.gov/vuln/detail/CVE-2021-39204, https://github.com/pomerium/pomerium, https://groups.google.com/g/envoy-announce/c/5xBpsEZZDfE/m/wD05NZBbAgAJ

    Affected packages

    Package

    Name: github.com/pomerium/pomerium

    Purl: pkg:golang/github.com/pomerium/pomerium

    Affected ranges

    Type: SEMVER

    Events:

    Introduced- 0
    Fixed -0.14.8

    Affected versions

    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
    GHSA-5wjf-62hw-q78r | CVE-DB