01 Record

CVE-2021-32626

Lua scripts can overflow the heap-based Lua stack in Redis

HighPUBLISHEDCNA: GitHub_M

CNA base score7.5 CVSS v3.xCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

View raw JSON

02 Description

Lua scripts can overflow the heap-based Lua stack in Redis

03 Exploitation and scoring

Exploitation: Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision: Not assessed by CISA
EPSS probability: 16.21% probability of exploitation activity in the next 30 days.
EPSS percentile: Ranks above 96.7% of scored records. A rank, not a probability.
NVD base score: 8.8 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD analysis status: Modified. NVD last modified this record on 2026-06-17.
Red Hat severity: Important. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published

2021-10-04 17:30Z4 YR AGO

Last updated

2024-08-03 23:25Z2 YR AGO

Reserved

2021-05-12

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

High (CVSS 7.5)

CNA CVSS vector

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Weaknesses

CWE-122Heap-based Buffer OverflowVariant
CWE-787Out-of-bounds WriteBase

Data version

5.1

Document digest

6976ec88d83ada94a37b0ee3eddee800371043f670273b6216cd5c74124a3c94

05 Affected products

VendorProductVersionsPlatforms

redisredis>= 6.2.0, < 6.2.6, >= 6.0.0, < 6.0.16, >= 2.6.0, < 5.0.14—

06 References

github.comhttps://github.com/redis/redis/security/advisories/GHSA-p486-xggp-782cx_refsource_CONFIRM
github.comhttps://github.com/redis/redis/commit/666ed7facf4524bf6d19b11b20faa2cf93fdf591x_refsource_MISC
lists.fedoraproject.orgFEDORA-2021-8913c7900chttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VL5KXFN3ATM7IIM7Q4O4PWTSRGZ5744Z/vendor-advisoryx_refsource_FEDORA
lists.fedoraproject.orgFEDORA-2021-61c487f241https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HTYQ5ZF37HNGTZWVNJD3VXP7I6MEEF42/vendor-advisoryx_refsource_FEDORA
lists.apache.org[druid-commits] 20211025 [GitHub] [druid] jihoonson opened a new pull request #11844: Bump netty4 to 4.1.68; suppress CVE-2021-37136 and CVE-2021-37137 for netty3https://lists.apache.org/thread.html/r75490c61c2cb7b6ae2c81238fd52ae13636c60435abcd732d41531a0%40%3Ccommits.druid.apache.org%3Emailing-listx_refsource_MLIST
lists.fedoraproject.orgFEDORA-2021-aa94492a09https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WR5WKJWXD4D6S3DJCZ56V74ESLTDQRAB/vendor-advisoryx_refsource_FEDORA
www.debian.orgDSA-5001https://www.debian.org/security/2021/dsa-5001vendor-advisoryx_refsource_DEBIAN
www.oracle.comhttps://www.oracle.com/security-alerts/cpuapr2022.htmlx_refsource_MISC
security.netapp.comhttps://security.netapp.com/advisory/ntap-20211104-0003/x_refsource_CONFIRM
security.gentoo.orgGLSA-202209-17https://security.gentoo.org/glsa/202209-17vendor-advisoryx_refsource_GENTOO

01 Record index

CVE-2021-32626

02 Description

03 Exploitation and scoring

04 Metadata

05 Affected products

06 References

02 Records

CVE-2021-32626

02 Description

03 Exploitation and scoring

04 Metadata

05 Affected products

06 References