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OpenAdvisories
High RHSA-2021:3947 6 CVEs

Red Hat Security Advisory: rh-redis5-redis security update

Published Sep 13, 2024 · Updated Aug 5, 2026

Ecosystem: Red Hat

Fixed packages 2

ReleasePackageFixed in
Red Hat · RHEL 3 rhel_software_collections:3::el7 rh-redis5-redis 0:5.0.5-3.el7
Red Hat · RHEL 3 rhel_software_collections:3::el7 rh-redis5-redis-debuginfo 0:5.0.5-3.el7

Vulnerabilities 6

  • High 7.5
    CVE-2021-32626 EPSS 16%

    Lua scripts can overflow the heap-based Lua stack in Redis

    Redis is an open source, in-memory database that persists on disk. In affected versions specially crafted Lua scripts executing in Redis can cause the heap-based Lua stack to be overflowed, due to incomplete checks for this condition. This can result with hea…

    Redis Redis redis redis Debian Ubuntu Azure Linux Alpine
  • High 7.5
    CVE-2021-32627

    Integer overflow issue with Streams in Redis

    Redis is an open source, in-memory database that persists on disk. In affected versions an integer overflow bug in Redis can be exploited to corrupt the heap and potentially result with remote code execution. The vulnerability involves changing the default pr…

    Redis Redis redis redis Debian Ubuntu Azure Linux Alpine
  • High 7.5
    CVE-2021-32628 EPSS 13%

    Vulnerability in handling large ziplists

    Redis is an open source, in-memory database that persists on disk. An integer overflow bug in the ziplist data structure used by all versions of Redis can be exploited to corrupt the heap and potentially result with remote code execution. The vulnerability in…

    Redis Redis redis redis Debian Ubuntu Azure Linux Alpine
  • High 7.5
    CVE-2021-32675 Public exploit EPSS 16%

    DoS vulnerability in Redis

    Redis is an open source, in-memory database that persists on disk. When parsing an incoming Redis Standard Protocol (RESP) request, Redis allocates memory according to user-specified values which determine the number of elements (in the multi-bulk header) and…

    Redis Redis redis redis Debian Ubuntu Azure Linux Alpine
  • High 7.5
    CVE-2021-32687

    Integer overflow issue with intsets in Redis

    Redis is an open source, in-memory database that persists on disk. An integer overflow bug affecting all versions of Redis can be exploited to corrupt the heap and potentially be used to leak arbitrary contents of the heap or trigger remote code execution. Th…

    Redis Redis redis redis Debian Ubuntu Azure Linux Alpine
  • High 7.5
    CVE-2021-41099

    Integer overflow issue with strings in Redis

    Redis is an open source, in-memory database that persists on disk. An integer overflow bug in the underlying string library can be used to corrupt the heap and potentially result with denial of service or remote code execution. The vulnerability involves chan…

    Redis Redis redis redis Debian Ubuntu Azure Linux Alpine

References

  • article
    https://access.redhat.com/security/updates/classification/#important
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2010991
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2011000
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2011004
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2011010
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2011017
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2011020
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2021/rhsa-2021_3947.json
  • report
    https://access.redhat.com/security/cve/CVE-2021-32626
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2021-32626
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2021-32626
  • article
    https://github.com/redis/redis/security/advisories/GHSA-p486-xggp-782c
  • report
    https://access.redhat.com/security/cve/CVE-2021-32627
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2021-32627
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2021-32627
  • article
    https://github.com/redis/redis/security/advisories/GHSA-f434-69fm-g45v
  • report
    https://access.redhat.com/security/cve/CVE-2021-32628
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2021-32628
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2021-32628
  • article
    https://github.com/redis/redis/security/advisories/GHSA-vw22-qm3h-49pr
  • report
    https://access.redhat.com/security/cve/CVE-2021-32675
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2021-32675
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2021-32675
  • article
    https://github.com/redis/redis/security/advisories/GHSA-f6pw-v9gw-v64p
  • report
    https://access.redhat.com/security/cve/CVE-2021-32687
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2021-32687
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2021-32687
  • article
    https://github.com/redis/redis/security/advisories/GHSA-m3mf-8x9w-r27q
  • report
    https://access.redhat.com/security/cve/CVE-2021-41099
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2021-41099
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2021-41099
  • article
    https://github.com/redis/redis/security/advisories/GHSA-j3cr-9h5g-6cph