Array index error in the handle_nsExtendOutput2Table function in…
Priority LOW 21Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Partial
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.
Summary
Array index error in the handle_nsExtendOutput2Table function in agent/mibgroup/agent/extend.c in Net-SNMP 5.7.1 allows remote authenticated users to cause a denial of service (out-of-bounds read and snmpd crash) via an SNMP GET request for an entry not in the extension table.
Why it matters now
EPSS 0.02167 82nd percentileScored 2026-11-07
Fix Fixed Red Hat: 2 advisories
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
Red Hat 2 advisories
- RHSA-2013:0124 Released 2013-01-08 · Red Hat rating Moderatenet-snmp security and bug fix update
- Red Hat Enterprise Linux (v. 5 server) net-snmp-1:5.3.2.2-20.el5, net-snmp-1:5.3.2.2-20.el5.i386, net-snmp-1:5.3.2.2-20.el5.ia64 +17
- Red Hat Enterprise Linux Desktop (v. 5 client) net-snmp-1:5.3.2.2-20.el5, net-snmp-1:5.3.2.2-20.el5.i386, net-snmp-libs-1:5.3.2.2-20.el5 +5
- Red Hat Enterprise Linux Desktop Workstation (v. 5 client) net-snmp-1:5.3.2.2-20.el5, net-snmp-devel-1:5.3.2.2-20.el5, net-snmp-devel-1:5.3.2.2-20.el5.i386
- RHSA-2012:0876 Released 2012-06-19 · Red Hat rating Moderatenet-snmp security and bug fix update
- Red Hat Enterprise Linux Desktop (v. 6) net-snmp-1:5.5-41.el6, net-snmp-libs-1:5.5-41.el6
- Red Hat Enterprise Linux Desktop Optional (v. 6) net-snmp-1:5.5-41.el6, net-snmp-devel-1:5.5-41.el6, net-snmp-perl-1:5.5-41.el6 +2
- Red Hat Enterprise Linux HPC Node (v. 6) net-snmp-1:5.5-41.el6, net-snmp-libs-1:5.5-41.el6, net-snmp-perl-1:5.5-41.el6 +2
- Red Hat Enterprise Linux HPC Node Optional (v. 6) net-snmp-1:5.5-41.el6, net-snmp-devel-1:5.5-41.el6
- Red Hat Enterprise Linux Server (v. 6) net-snmp-1:5.5-41.el6, net-snmp-devel-1:5.5-41.el6, net-snmp-devel-1:5.5-41.el6.ppc +5
- Red Hat Enterprise Linux Workstation (v. 6) net-snmp-1:5.5-41.el6, net-snmp-devel-1:5.5-41.el6, net-snmp-libs-1:5.5-41.el6 +3
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux (v. 5 server) | Fixed | RHSA-2013:0124 |
| Red Hat Enterprise Linux Desktop (v. 5 client) | Fixed | RHSA-2013:0124 |
| Red Hat Enterprise Linux Desktop (v. 6) | Fixed | RHSA-2012:0876 |
| Red Hat Enterprise Linux Desktop Optional (v. 6) | Fixed | RHSA-2012:0876 |
| Red Hat Enterprise Linux Desktop Workstation (v. 5 client) | Fixed | RHSA-2013:0124 |
| Red Hat Enterprise Linux HPC Node (v. 6) | Fixed | RHSA-2012:0876 |
| Red Hat Enterprise Linux HPC Node Optional (v. 6) | Fixed | RHSA-2012:0876 |
| Red Hat Enterprise Linux Server (v. 6) | Fixed | RHSA-2012:0876 |
| Red Hat Enterprise Linux Workstation (v. 6) | Fixed | RHSA-2012:0876 |
Timeline
- 2026-10-02 Threatist record created from CVE-2012-2141
- 2026-10-03 Alias added: GHSA-qx3h-g3gw-6vrx
References
Advisory 2
Other 4
- [oss-security] 20120426 Re: CVE Request -- net-snmp: Array index error, leading to out-of heap-based buffer read (snmpd crash)
- http://support.citrix.com/article/CTX139049
- [oss-security] 20120426 CVE Request -- net-snmp: Array index error, leading to out-of heap-based buffer read (snmpd crash)
- https://bugzilla.redhat.com/show_bug.cgi?id=815813
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- TI-2007-05612 The SNMP agent (snmp_agent.c) in net-snmp before 5.4.1 allows remote attackers to cause a… CVSS 2.0HIGH 7.8
Sources
- CVE-2012-2141 · CVE Program
- CVE-2012-2141 · NVD
- FIRST EPSS
- GHSA-qx3h-g3gw-6vrx · GitHub Advisory Database · CC BY 4.0
- CVE-2012-2141 · Red Hat security data · CC BY 4.0
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