What is CVE-2022-3647?

CVE-2022-3647 is a low-severity vulnerability in Redis, classified under Improper Resource Shutdown or Release. CVSS score: 3.1/10. Published 2022-10-21.

How severe is CVE-2022-3647?

Low severity. CVSS v3 base score is 3.1 out of 10.

Is CVE-2022-3647 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Redis

CVE-2022-3647

** DISPUTED ** A vulnerability, which was classified as problematic, was found in Redis up to 6.2.7/7.0.5. Affected is the function sigsegvHandler of the file debug.c of the component Crash Report. The manipulation leads to denial of service. The complexity of an attack is rather high. The exploitability is told to be difficult. The real existence of this vulnerability is still doubted at the moment. Upgrading to version 6.2.8 and 7.0.6 is able to address this issue. The patch is identified as 0bf90d944313919eb8e63d3588bf63a367f020a3. It is recommended to apply a patch to fix this issue. VDB-211962 is the identifier assigned to this vulnerability. NOTE: The vendor claims that this is not a DoS because it applies to the crash logging mechanism which is triggered after a crash has occurred.

Published 2022-10-21 · last modified 2026-06-17.

CVSS v3 metric

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

EPSS exploit prediction

EPSS: 0.006 (46.9th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 47th percentile — 46.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: +0.000

Affected products

Redis
Redis — versions 6.2.0, 6.2.1, 6.2.2

Weakness classification (CWE)

CWE-404 — Improper Resource Shutdown or Release

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

vuldb.com/ (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry, Third Party Advisory)
github.com/redis/redis/commit/0bf90d944313919eb8e63d3588bf63a367f020a3 (Exploit, Patch, Third Party Advisory, patch)

Frequently asked questions

What is CVE-2022-3647?: CVE-2022-3647 is a low-severity vulnerability in Redis, classified under Improper Resource Shutdown or Release. CVSS score: 3.1/10. Published 2022-10-21.
How severe is CVE-2022-3647?: Low severity. CVSS v3 base score is 3.1 out of 10.
Is CVE-2022-3647 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.