CVE-2021-32761 is an out-of-bounds read and integer overflow vulnerability affecting Redis versions 2.2 up to 5.0.13, 6.0.15, and 6.2.5 on 32-bit systems. This flaw, specifically within the *BIT* command when combined with a large proto-max-bulk-len, can lead to heap corruption, arbitrary heap content leakage, or remote code execution. With a CVSS score of 7.5 (High), successful exploitation requires low privileges and high attack complexity, but can result in high impact to confidentiality, integrity, and availability. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 2.2.0, < 5.0.13CPE matchmatch criteria | cpe:2.3:a:redislabs:redis:*:*:*:*:*:*:*:* | ||
>= 6.0, < 6.0.15CPE matchmatch criteria | cpe:2.3:a:redislabs:redis:*:*:*:*:*:*:*:* | ||
>= 6.2.0, < 6.2.5CPE matchmatch criteria | cpe:2.3:a:redislabs:redis:*:*:*:*:*:*:*:* | ||
9.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | ||
10.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
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