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01 Record

CVE-2021-32687

Integer overflow issue with intsets in Redis

HighPUBLISHEDCNA: GitHub_M
CNA base score7.5 CVSS v3.xCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

02 Description

Integer overflow issue with intsets in Redis

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
4.09% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 90.3% of scored records. A rank, not a probability.
NVD base score
7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
Important. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2021-10-04 17:55Z5 YR AGO
Last updated
2024-08-03 23:25Z2 YR AGO
Reserved
2021-05-12
Assigning CNA
GitHub_M
Record state
PUBLISHED
Severity
High (CVSS 7.5)
CNA CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Weaknesses
  • CWE-190Integer Overflow or WraparoundBase
  • CWE-680Integer Overflow to Buffer OverflowCompound
Data version
5.1
Document digest
e7bca71168630d88f2bf470c28b59700da4f095ab75fd6e943ffee47a402bde0

05 Affected products

VendorProductVersionsPlatforms
redisredis< 5.0.14, >= 6.0.0, < 6.0.16, >= 6.2.0, < 6.2.6—

06 References

07 Fixed in

AlmaLinux 8

  • redis
    Fixed

    A version is affected if any line below covers it.

    • Affected before 5.0.3-5.module_el8.4.0+2583+b9845322
    • Affected before 5.0.3-5.module_el8.5.0+66+fc19ec12
    • Affected before 6.0.9-5.module_el8.4.0+2584+1bb0d2aa
    • Affected before 6.0.9-5.module_el8.5.0+67+a3c431d9
  • redis-devel
    Fixed

    A version is affected if any line below covers it.

    • Affected before 5.0.3-5.module_el8.4.0+2583+b9845322
    • Affected before 5.0.3-5.module_el8.5.0+66+fc19ec12
    • Affected before 6.0.9-5.module_el8.4.0+2584+1bb0d2aa
    • Affected before 6.0.9-5.module_el8.5.0+67+a3c431d9
  • redis-doc
    Fixed

    A version is affected if any line below covers it.

    • Affected before 5.0.3-5.module_el8.4.0+2583+b9845322
    • Affected before 6.0.9-5.module_el8.4.0+2584+1bb0d2aa

Source: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.

CloudLinux 8

  • redis
    Fixed

    A version is affected if any line below covers it.

    • Affected before 5.0.3-5.module_el8.4.0+2583+b9845322
    • Affected before 5.0.3-5.module_el8.5.0+66+fc19ec12
    • Affected before 6.0.9-5.module_el8.4.0+2584+1bb0d2aa
    • Affected before 6.0.9-5.module_el8.5.0+67+a3c431d9
  • redis-devel
    Fixed

    A version is affected if any line below covers it.

    • Affected before 5.0.3-5.module_el8.4.0+2583+b9845322
    • Affected before 5.0.3-5.module_el8.5.0+66+fc19ec12
    • Affected before 6.0.9-5.module_el8.4.0+2584+1bb0d2aa
    • Affected before 6.0.9-5.module_el8.5.0+67+a3c431d9
  • redis-doc
    Fixed

    A version is affected if any line below covers it.

    • Affected before 5.0.3-5.module_el8.4.0+2583+b9845322
    • Affected before 6.0.9-5.module_el8.4.0+2584+1bb0d2aa

Derived from AlmaLinux 8. Partial coverage: only packages taken from AlmaLinux 8 are listed.

Source: CloudLinux errata, CloudLinux Inc. Derived from: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.

Debian 12

  • redis
    Fixed in 5:6.0.16-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Debian 13

  • redis
    Fixed in 5:6.0.16-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Debian 14

  • redis
    Fixed in 5:6.0.16-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu Pro 14.04 LTS

  • redis
    Fixed in 2:2.8.4-2ubuntu0.2+esm2
    Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu Pro 16.04 LTS

  • redis
    Fixed in 2:3.0.6-1ubuntu0.4+esm1
    Available with Ubuntu Pro: https://ubuntu.com/pro

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu Pro 18.04 LTS

  • redis
    Fixed in 5:4.0.9-1ubuntu0.2+esm3
    Available with Ubuntu Pro: https://ubuntu.com/pro

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu Pro 20.04 LTS

  • redis
    Fixed in 5:5.0.7-2ubuntu0.1+esm1
    Available with Ubuntu Pro: https://ubuntu.com/pro

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.