CVE-2024-42333 | Heap buffer over-read

The researcher is showing that it is possible to leak a small amount of Zabbix Server memory using an out of bounds read in src/libs/zbxmedia/email.c

Published: 2024-11-27 Last update: 2025-11-03 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2024-42333 is rated Low Risk (18.2/100): CVSS Low severity, with low exploitation likelihood (EPSS 0.07%). Low composite risk—no urgent action required; patch on your normal maintenance cycle and revisit priority if CVSS or EPSS increases.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2024-42333

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-01-05 0.17% 0.07% -0.10%
2 2025-09-23 0.11% 0.17% +0.06%
3 2025-03-29 — 0.11% —

Full EPSS history (4 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2024-42333

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
2.7 3.1 LOW
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:H)
They need powerful rights—admin, root, or similar—before this pays off.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:L)
Some sensitive info could get out, but not a total data dump.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
 1.2 1.4 [email protected]

Weakness enumeration for CVE-2024-42333

OS Trackers for CVE-2024-42333

vendor priority summary link
alpine — CVE-2024-42333: 1 source package rows (zabbix); 3 state rows across 3 repos (3.20-community, 3.22-community, edge-community); fixed 0, open 3. https://security.alpinelinux.org/vuln/CVE-2024-42333
debian not yet assigned CVE-2024-42333 not yet assigned priority: Debian including 1 source packages (zabbix), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 4, open 1. https://security-tracker.debian.org/tracker/CVE-2024-42333
suse medium CVE-2024-42333 severity moderate: SUSE including 1 source package names (zabbix-agent-4.0.12-4.32.1), 2 product×package rows across 2 product lines (SUSE Linux Enterprise Server 12 SP3-TERADATA, SUSE Linux Enterprise Server LTSS Extended Security 12 SP5): Fixed 2. https://www.suse.com/security/cve/CVE-2024-42333/
ubuntu medium CVE-2024-42333 medium priority: Ubuntu including 1 source packages (zabbix), 10 status rows across 10 suites (bionic, focal, jammy, noble, oracular, plucky, questing, trusty, upstream, xenial): needs-triage 5, not-affected 2, DNE 1, ignored 1, released 1. https://ubuntu.com/security/CVE-2024-42333

Affected software / configurations for CVE-2024-42333

Vendor Product Version Raw CPE
zabbix zabbix >= 6.0.0, < 6.0.34 cpe:2.3:a:zabbix:zabbix:*:*:*:*:*:*:*:*
zabbix zabbix >= 6.4.0, < 6.4.19 cpe:2.3:a:zabbix:zabbix:*:*:*:*:*:*:*:*
zabbix zabbix >= 7.0.0, < 7.0.4 cpe:2.3:a:zabbix:zabbix:*:*:*:*:*:*:*:*

References for CVE-2024-42333

cvelogic Threat Intelligence