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Fencer Vulns
low 2.7

CVE-2024-42333 json

Heap buffer over-read

published 2024-11-27 23 mo ago modified 2026-06-17 4 mo ago also EUVD-2024-39879

cvss
2.7
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 50%
public exploits
0
none known

Summary

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

Patch / fix

  • zabbix zabbix 6.0.34rc1, 6.4.19rc1, 7.0.4rc1
  • zabbix zabbix_server 6.0.34rc1, 6.4.19rc1, 7.0.4rc1
  • zabbix Debian 14, Debian 13 1:7.0.5+dfsg-1

debian advisories DEBIAN-CVE-2024-42333

  • zabbix SLES LTSS Extended Security 12 SP5 4.0.12-4.32.1

suse advisories SUSE-SU-2025:02746-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2024-42333 updated

zabbix: Heap buffer over-read

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
23 mo ago

Exploit prediction

0.63% chance of exploitation in the next 30 days, higher than 50% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 2.7 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N

Affected products

  • Zabbix Zabbix

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.