What is CVE-2021-3470?

CVE-2021-3470 is a medium-severity vulnerability in Redislabs Redis, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 5.3/10. Published 2021-03-31.

How severe is CVE-2021-3470?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Buffer overflow in Redislabs Redis

CVE-2021-3470

A heap overflow issue was found in Redis in versions before 5.0.10, before 6.0.9 and before 6.2.0 when using a heap allocator other than jemalloc or glibc's malloc, leading to potential out of bound write or process crash. Effectively this…

Vulnerability class: Buffer Overflow

EPSS: 0.011 (63.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

Affected products

Redislabs Redis — versions 6.2.0
N/a Redis — versions redis 5.0.10, redis 6.0.9, redis 6.2.0

Weakness classification (CWE)

References

secalert@redhat.com (Patch, Third Party Advisory, x_refsource_MISC, Issue Tracking)

Frequently asked questions

What is CVE-2021-3470?: CVE-2021-3470 is a medium-severity vulnerability in Redislabs Redis, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 5.3/10. Published 2021-03-31.
How severe is CVE-2021-3470?: Medium severity. CVSS v3 base score is 5.3 out of 10.