CVE-2023-28856: debian debian_linux Improper Input Validation
Vulnerability summary
CVE-2023-28856 is a medium (CVSS 6.5) Improper Input Validation vulnerability in debian debian_linux. EPSS estimates a 1.26% chance of exploitation in the next 30 days, higher than 69% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 7 · Related 6Timeline
- 18-04-2023PublishedVulnerability first disclosed.
- 13-02-2025Last modifiedVulnerability information updated.
Description
Redis is an open source, in-memory database that persists on disk. Authenticated users can use the `HINCRBYFLOAT` command to create an invalid hash field that will crash Redis on access in affected versions. This issue has been addressed in in versions 7.0.11, 6.2.12, and 6.0.19. Users are advised to upgrade. There are no known workarounds for this issue.
CVSS metrics
4 scores · 4 sources · 1 version- CVE.orgCNA5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HDiffers
- OSV · UbuntuEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
1.26%
Chance of exploitation in the next 30 days
Percentile
69%
Versus all other CVEs
30-day change
0.00 pp
From 1.26% 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 cause- CWE-20Improper Input ValidationThe product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
- CWE-617Reachable AssertionThe product contains an assert() or similar statement that can be triggered by an attacker, which leads to an application exit or other behavior that is more severe than necessary.
Affected systems
Debian2 products
- redis< 5:7.0.11-1 | < 5:5.0.14-1+deb10u4
- debian_linuxEOL10.0
Fedoraproject1 product
- fedoraEOL36 | 37 | 38
Mageia1 product
- redis< 6.0.19-1.mga8
Redis1 product
- redis< 6.0.19 | ≥ 6.2.0, < 6.2.12 | ≥ 7.0.0, < 7.0.11
Ubuntu1 product
- redis< 2:2.8.4-2ubuntu0.2+esm3 | < 2:3.0.6-1ubuntu0.4+esm2 | < 5:4.0.9-1ubuntu0.2+esm4 | < 5:5.0.7-2ubuntu0.1+esm2 | < 5:6.0.16-1ubuntu1+esm1
5 vendors · 6 products
References
18 links- github.com/redis/redis/security/advisories/GHSA-hjv8-vjf6-wcr6X Refsource CONFIRMREPORTVendor Advisory
