CVE-2009-4500 json
The process_trap function in trapper/trapper.c in Zabbix Server before 1.6.6 allows remote attackers to cause a denial of service (crash) v…
published 16y ago modified 4mo ago also EUVD-2009-4466
- cvss
- 5.0
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.3%
- EPSS 2.3% chance of exploitation in 30 days, percentile 83%
- public exploits
- 0
- none known
Summary
The process_trap function in trapper/trapper.c in Zabbix Server before 1.6.6 allows remote attackers to cause a denial of service (crash) via a crafted request with data that lacks an expected : (colon) separator, which triggers a NULL pointer dereference.
Patch / fix
- zabbix Debian 14, Debian 13, Debian 12 1:1.8-1
debian advisories DEBIAN-CVE-2009-4500
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2.29% chance of exploitation in the next 30 days, higher than 83% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
Classification
- Weakness
-
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
References
-
support.zabbix.com
/browse/ZBX-993
vendor-advisory
-
secunia.com
/advisories/37740
third-party-advisory, vendor-advisory
-
vupen.com
/english/advisories/2009/3514
vdb-entry, vendor-advisory
-
securityfocus.com
/archive/1/508436/30/60/threaded
mailing-list
Sources
- CVE List CVE-2009-4500
- NVD CVE-2009-4500
Fencer Intel 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.