CVE-2021-32672: debian debian_linux Out-of-bounds Read
Vulnerability summary
CVE-2021-32672 is a medium (CVSS 5.3) Out-of-bounds Read vulnerability in debian debian_linux. EPSS estimates a 1.68% chance of exploitation in the next 30 days, higher than 76.5% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 7 · Related 4Timeline
- 04-10-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
Redis is an open source, in-memory database that persists on disk. When using the Redis Lua Debugger, users can send malformed requests that cause the debugger’s protocol parser to read data beyond the actual buffer. This issue affects all versions of Redis with Lua debugging support (3.2 or newer). The problem is fixed in versions 6.2.6, 6.0.16 and 5.0.14.
CVSS metrics
6 scores · 5 sources · 2 versions- OSV · AlpineEcosystem advisory · calculated4.3MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:NDiffers
- OSV · UbuntuEcosystem advisory · calculated4.3MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:NDiffers
- OSV · DebianEcosystem advisory · calculated4.3MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:NDiffers
- NVDNIST4.3MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:NDiffers
EPSS trend
Probability
1.68%
Chance of exploitation in the next 30 days
Percentile
77%
Versus all other CVEs
30-day change
-0.15 pp
From 1.83% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Debian2 products
- redis< 5:6.0.16-1
- debian_linuxEOL10.0 | 11.0
Netapp2 products
Redhat2 products
Alpine1 product
- redis≥ 3.2.0, < 5.0.14-r0 | ≥ 3.2.0, < 6.0.16-r0 | ≥ 3.2.0, < 6.2.6-r0
Fedoraproject1 product
- fedoraEOL33 | 34 | 35
Oracle1 product
- communications_operations_monitor4.3 | 4.4 | 5.0
Redis1 product
- redis≥ 6.0.0, < 6.2.6 | ≥ 3.2.0, < 5.0.14 | ≥ 6.0.0, < 6.0.16 | ≥ 6.2.0, < 6.2.6
Ubuntu1 product
- redis< 5:4.0.9-1ubuntu0.2+esm3 | < 5:5.0.7-2ubuntu0.1+esm1
8 vendors · 11 products
References
15 links- github.com/redis/redis/security/advisories/GHSA-9mj9-xx53-qmxmX Refsource CONFIRMREPORTThird Party Advisory
- github.com/redis/redis/commit/6ac3c0b7abd35f37201ed2d6298ecef4ea1ae1ddX Refsource MISCREPORTPatchThird Party Advisory
