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Vulnerabilities

Vulnerability · CVE-2021-32762

CVE-2021-32762 is listed by Redis is an open source, in-memory database that persists on disk..

Published Oct 4, 2021 · catalog updated Jun 16, 2026 · the affected product

Last checked Oct 31, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2021-32762. EPSS is 2.56%. Act only if a listed version of the affected product is installed.

Gaps on this record

  • No plain product name is stored. The page cannot tell you which product to check.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
High8.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
2.56%
Remediation
Version ranges on file
Affected products
cpe debian/debian linux · cpe oracle/communications operations monitor · cpe redis/redis

CVE-2021-32762 is listed by Redis is an open source, in-memory database that persists on disk..

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe debian/debian linux10.0
  • cpe debian/debian linux11.0
  • cpe oracle/communications operations monitor4.3
  • cpe redis/redis< 5.0.14
  • cpe redis/redis< 6.0.16
  • cpe redis/redis< 6.2.6

How to fix CVE-2021-32762

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2021-32762. EPSS is 2.56%. Act only if a listed version of the affected product is installed.

Which versions are affected?

Compare what you have installed with debian/debian linux 10.0; debian/debian linux 11.0; oracle/communications operations monitor 4.3. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-190: Integer Overflow; CWE-680. EPSS 2.56%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

Redis security

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 4, 2021 · Monitored products — high

    Detected

    CVE-2021-32762 is listed by Redis is an open source, in-memory database that persists on disk..

  2. Jun 16, 2026 · Monitored products — high

    Updated

    CVE-2021-32762 is listed by Redis is an open source, in-memory database that persists on disk..

Sources

  • FIRST EPSSExploitation probabilityCVE-2021-32762

    30-day exploitation probability 2.56%

    first.org
  • Monitored products — highVendor advisoryCVE-2021-32762

    Redis is an open source, in-memory database that persists on disk. The redis-cli command line tool and redis-sentinel service may be vulnerable to integer overflow when parsing specially crafted large multi-bulk network replies. This is a result of a vulnerability in the underlying hiredis library which does not perform an overflow check before calling the calloc() heap allocation function. This i

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 31, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSOct 31, 2026
  • Monitored products — highOct 31, 2026