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Fencer Vulns
medium 5.0

CVE-2009-1887 json

agent/snmp_agent.c in snmpd in net-snmp 5.0.9 in Red Hat Enterprise Linux (RHEL) 3 allows remote attackers to cause a denial of service (da…

published 2009-06-26 17 y ago modified 2026-06-16 4 mo ago also EUVD-2009-1882

cvss
5.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.2%
EPSS 2.2% chance of exploitation in 30 days, percentile 82%
public exploits
0
none known

Summary

agent/snmp_agent.c in snmpd in net-snmp 5.0.9 in Red Hat Enterprise Linux (RHEL) 3 allows remote attackers to cause a denial of service (daemon crash) via a crafted SNMP GETBULK request that triggers a divide-by-zero error. NOTE: this vulnerability exists because of an incorrect fix for CVE-2008-4309.

Patch / fix

  • net-snmp RHEL 3 5.0.9-2.30E.28
  • net-snmp-libs RHEL 3 5.0.9-2.30E.28
  • net-snmp-perl RHEL 3 5.0.9-2.30E.28
  • net-snmp-utils RHEL 3 5.0.9-2.30E.28

red hat advisories RHSA-2009:1124

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-2009-1887 updated cvss 4.0

net-snmp: DoS (division by zero) via SNMP GetBulk requests

  • Red Hat Desktop version 3 net-snmp 5.0.9-2.30E.28, net-snmp-libs 5.0.9-2.30E.28, net-snmp-perl 5.0.9-2.30E.28, net-snmp-utils 5.0.9-2.30E.28 Red Hat Enterprise Linux AS version 3 net-snmp 5.0.9-2.30E.28, net-snmp-libs 5.0.9-2.30E.28, net-snmp-perl 5.0.9-2.30E.28, net-snmp-utils 5.0.9-2.30E.28 Red Hat Enterprise Linux ES version 3 net-snmp 5.0.9-2.30E.28, net-snmp-libs 5.0.9-2.30E.28, net-snmp-perl 5.0.9-2.30E.28, net-snmp-utils 5.0.9-2.30E.28 Red Hat Enterprise Linux WS version 3 net-snmp 5.0.9-2.30E.28, net-snmp-libs 5.0.9-2.30E.28, net-snmp-perl 5.0.9-2.30E.28, net-snmp-utils 5.0.9-2.30E.28
    fixed: vendor fix RHSA-2009:1124

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

Exploit prediction

2.21% chance of exploitation in the next 30 days, higher than 82% of all scored CVEs (FIRST EPSS, 2026-11-08).

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

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.