Description
snmp_api.c in snmpd in Net-SNMP 5.2.x before 5.2.2, 5.1.x before 5.1.3, and 5.0.x before 5.0.10.2, when running in master agentx mode, allows remote attackers to cause a denial of service (crash) by causing a particular TCP disconnect, which triggers a free of an incorrect variable, a different vulnerability than CVE-2005-2177.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | net-snmp | 5.2.2-1 | — |
| Debian 13 | net-snmp | 5.2.2-1 | — |
| Debian 12 | net-snmp | 5.2.2-1 | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 4 | net-snmp +4 | 5.1.2-11.EL4.6 | RHSA-2005:395 |
| RHEL 3 | net-snmp +4 | 5.0.9-2.30E.19 | RHSA-2005:373 |
Advisories 2
- RHSA-2005:395 Red Hat Security Advisory: net-snmp security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- RHSA-2005:373 Red Hat Security Advisory: net-snmp security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
References
- https://issues.rpath.com/browse/RPL-1334
- 25115 third-party-advisory
- oval:org.mitre.oval:def:9442 vdb-entry signature
- ADV-2007-1944 vdb-entry
- 25114 third-party-advisory
- 102929 vendor-advisory
- http://sourceforge.net/tracker/index.php?func=detail&aid=1207023&group_id=12694&atid=112694
- 23762 vdb-entry
- USN-456-1 vendor-advisory
- 25411 third-party-advisory