7.5

CVE-2023-29458: zabbix Improper Validation of Array Index

CVSS: 7.5v3.1HighModified
AliasesUBUNTU-CVE-2023-29458DEBIAN-CVE-2023-29458
Published 13-07-2023Last modified 03-11-2025

Vulnerability summary

CVE-2023-29458 is a high (CVSS 7.5) Improper Validation of Array Index vulnerability in zabbix. EPSS estimates a 0.76% chance of exploitation in the next 30 days, higher than 54.3% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
0.76%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1

Timeline

  1. 13-07-2023
    PublishedVulnerability first disclosed.
  2. 03-11-2025
    Last modifiedVulnerability information updated.

Description

Duktape is an 3rd-party embeddable JavaScript engine, with a focus on portability and compact footprint. When adding too many values in valstack JavaScript will crash. This issue occurs due to bug in Duktape 2.6 which is an 3rd-party solution that we use.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.76%

Chance of exploitation in the next 30 days

Percentile

54%

Versus all other CVEs

30-day change

0.00 pp

From 0.76% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.76%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • zabbixAll versions (No fix recorded) | < 1:6.0.23+dfsg-1
Ubuntu1 product
  • zabbixAll versions (No fix recorded)
Zabbix1 product
  • zabbixEOL≥ 5,0,0, ≤ 5.0.34 | ≥ 6,0,0, ≤ 6.0.17 | ≥ 6.4.0, ≤ 6.4.2 | 7.0.0alpha1 | 5.0.34 | 6.0.17 | 6.4.2

3 vendors · 3 products

References

5 links