All vulnerabilities

Servers and applications

CVE-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…

Severity
High 8.8
Published
4 Oct 2021
Last changed
17 Jun 2026
Added to UpHeron
21 Oct 2026
Fixed in
5.0.14, 6.0.16, 6.2.6
Sources
NVD

Affected software

SoftwareAffected versions
RedisServers and applications · cpe:a:redis:redis
  • From 5.0.0 before 5.0.14
  • From 6.0.0 before 6.0.16
  • From 6.2.0 before 6.2.6

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2021-32762
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-32762