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OpenAdvisories
Medium RHSA-2021:3487 4 CVEs

Red Hat Security Advisory: Red Hat OpenStack Platform 16.2 (etcd) security update

Published Sep 29, 2024 · Updated Aug 5, 2026

Ecosystem: Red Hat

Fixed packages 3

ReleasePackageFixed in
Red Hat · OpenStack 16 openstack:16.2::el8 etcd 0:3.3.23-3.1.el8ost.1
Red Hat · OpenStack 16 openstack:16.2::el8 etcd-debuginfo 0:3.3.23-3.1.el8ost.1
Red Hat · OpenStack 16 openstack:16.2::el8 etcd-debugsource 0:3.3.23-3.1.el8ost.1

Vulnerabilities 4

  • Medium 5.9
    CVE-2021-31525

    golang.org/x/net/http/httpguts vulnerable to Uncontrolled Recursion

    net/http in Go before 1.15.12 and 1.16.x before 1.16.4 allows remote attackers to cause a denial of service (panic) via a large header to ReadRequest or ReadResponse. Server, Transport, and Client can each be affected in some configurations.

    go stdlib k3d golang-1.16 Debian Ubuntu Alpine Wolfi Go
  • Unscored —
    CVE-2021-33195

    Improper sanitization when resolving values from DNS in net

    Go before 1.15.13 and 1.16.x before 1.16.5 has functions for DNS lookups that do not validate replies from DNS servers, and thus a return value may contain an unsafe injection (e.g., XSS) that does not conform to the RFC1035 format.

    golang go stdlib golang-1.8 Debian Ubuntu Azure Linux Alpine Go
  • Unscored —
    CVE-2021-33197

    Attacker can drop certain headers in net/http/httputil

    In Go before 1.15.13 and 1.16.x before 1.16.5, some configurations of ReverseProxy (from net/http/httputil) result in a situation where an attacker is able to drop arbitrary headers.

    golang go stdlib golang-1.8 Debian Ubuntu Azure Linux Alpine Go
  • Unscored —
    CVE-2021-33198

    Panic on inputs with large exponents in math/big

    In Go before 1.15.13 and 1.16.x before 1.16.5, there can be a panic for a large exponent to the math/big.Rat SetString or UnmarshalText method.

    go stdlib golang-1.8 golang-1.16 Debian Ubuntu Alpine Go

References

  • article
    https://access.redhat.com/security/updates/classification/#moderate
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=1958341
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=1989564
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=1989570
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=1989575
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2021/rhsa-2021_3487.json
  • report
    https://access.redhat.com/security/cve/CVE-2021-31525
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2021-31525
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2021-31525
  • article
    https://groups.google.com/g/golang-announce/c/cu9SP4eSXMc
  • report
    https://access.redhat.com/security/cve/CVE-2021-33195
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2021-33195
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2021-33195
  • article
    https://groups.google.com/g/golang-announce/c/RgCMkAEQjSI
  • report
    https://access.redhat.com/security/cve/CVE-2021-33197
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2021-33197
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2021-33197
  • report
    https://access.redhat.com/security/cve/CVE-2021-33198
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2021-33198
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2021-33198