Array index error in the handle_nsExtendOutput2Table function in agent/mibgroup/agent/extend.c in Net-SNMP 5.7.1 allows remote authenticated
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.
- Published
- Aug 14, 2012
- Updated
- Jun 16, 2026
- EPSS
- 2.2% · 82th percentile
- CWE
- —
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Report tools
Action score
15
Monitor
Low priority for now.
- CVSS
- 14 / 40 · 3.5 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 1 / 30 · 2.2%
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| net-snmp | net-snmp | cpe:2.3:a:net-snmp:net-snmp |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- net-snmp net-snmp5.7.1
Package-level exposure
OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.
| Ecosystem | Package | Affected range | Fix |
|---|---|---|---|
| Debian:12 | net-snmp | before 5.4.3~dfsg-2.5 | 5.4.3~dfsg-2.5 |
| openSUSE:Tumbleweed | net-snmp | before 5.7.3-8.4 | 5.7.3-8.4 |
| Red Hat:enterprise_linux:5::client | net-snmp-libs | before 1:5.3.2.2-20.el5 | 1:5.3.2.2-20.el5 |
| Red Hat:enterprise_linux:5::client | net-snmp-perl | before 1:5.3.2.2-20.el5 | 1:5.3.2.2-20.el5 |
| Red Hat:enterprise_linux:5::client | net-snmp-utils | before 1:5.3.2.2-20.el5 | 1:5.3.2.2-20.el5 |
| Red Hat:enterprise_linux:5::client_workstation | net-snmp | before 1:5.3.2.2-20.el5 | 1:5.3.2.2-20.el5 |
| Red Hat:enterprise_linux:5::client_workstation | net-snmp-debuginfo | before 1:5.3.2.2-20.el5 | 1:5.3.2.2-20.el5 |
| Red Hat:enterprise_linux:5::client_workstation | net-snmp-devel | before 1:5.3.2.2-20.el5 | 1:5.3.2.2-20.el5 |
| Red Hat:enterprise_linux:6::client | net-snmp | before 1:5.5-41.el6 | 1:5.5-41.el6 |
| Red Hat:enterprise_linux:6::client | net-snmp-debuginfo | before 1:5.5-41.el6 | 1:5.5-41.el6 |
| Red Hat:enterprise_linux:6::client | net-snmp-devel | before 1:5.5-41.el6 | 1:5.5-41.el6 |
| Red Hat:enterprise_linux:6::client | net-snmp-libs | before 1:5.5-41.el6 | 1:5.5-41.el6 |
| Red Hat:enterprise_linux:6::client | net-snmp-perl | before 1:5.5-41.el6 | 1:5.5-41.el6 |
| Red Hat:enterprise_linux:6::client | net-snmp-python | before 1:5.5-41.el6 | 1:5.5-41.el6 |
| Red Hat:enterprise_linux:6::client | net-snmp-utils | before 1:5.5-41.el6 | 1:5.5-41.el6 |
Same product
net-snmp: all recordsOther highest-scoring records for the same primary product.
- CVE-2025-68615Net-SNMP snmptrapd crash52Plan
- CVE-2005-4837snmp_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, allow43Plan
- CVE-2005-1740fixproc in Net-snmp 5.x before 5.2.1-r1 creates temporary files insecurely, which allows local users to modify the contents of those files t43Plan
- CVE-2022-44793handle_ipv6IpForwarding in agent/mibgroup/ip-mib/ip_scalars.c in Net-SNMP 5.4.3 through 5.9.3 has a NULL Pointer Exception bug that can be u42Plan
- CVE-2022-44792handle_ipDefaultTTL in agent/mibgroup/ip-mib/ip_scalars.c in Net-SNMP 5.8 through 5.9.3 has a NULL Pointer Exception bug that can be used by42Plan
- CVE-2015-5621The snmp_pdu_parse function in snmp_api.c in net-snmp 5.7.2 and earlier does not remove the varBind variable in a netsnmp_variable_list item42Plan
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
| Product / package | Fixed version | Source |
|---|---|---|
| debian:net-snmp | 5.4.3~dfsg-2.5 · Debian:12 | Package registry (OSV) |
| opensuse:net-snmp | 5.7.3-8.4 · openSUSE:Tumbleweed | Package registry (OSV) |
| red hat:net-snmp | 1:5.5-41.el6 · Red Hat:enterprise_linux:6::client | Package registry (OSV) |
| red hat:net-snmp-debuginfo | 1:5.5-41.el6 · Red Hat:enterprise_linux:6::client | Package registry (OSV) |
| red hat:net-snmp-devel | 1:5.5-41.el6 · Red Hat:enterprise_linux:6::client | Package registry (OSV) |
| red hat:net-snmp-libs | 1:5.5-41.el6 · Red Hat:enterprise_linux:6::client | Package registry (OSV) |
| red hat:net-snmp-perl | 1:5.5-41.el6 · Red Hat:enterprise_linux:6::client | Package registry (OSV) |
| red hat:net-snmp-python | 1:5.5-41.el6 · Red Hat:enterprise_linux:6::client | Package registry (OSV) |
| red hat:net-snmp-utils | 1:5.5-41.el6 · Red Hat:enterprise_linux:6::client | Package registry (OSV) |
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
If successful
- Confidentiality
- none
- Integrity
- none
- Availability
- P · the service can be disrupted
- Attack complexity
- M
- Confidentiality impact
- None
- Integrity impact
- None
- Availability impact
- P
Weakness class (CWE)
—
CVSS vector
AV:N/AC:M/Au:S/C:N/I:N/A:P
nvd-primary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
MITRE has no CAPEC/ATT&CK mapping for this CWE.
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpChange log
- Fix✗ → ✓
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References
- rhn.redhat.com/errata/RHSA-2013-0124.html
- secunia.com/advisories/48938
- secunia.com/advisories/59974
- support.citrix.com/article/CTX139049
- www.gentoo.org/security/en/glsa/glsa-201409-02.xml
- www.openwall.com/lists/oss-security/2012/04/26/2
- www.openwall.com/lists/oss-security/2012/04/26/3
- www.securityfocus.com/bid/53255
- www.securityfocus.com/bid/53258
- www.securitytracker.com/id?1026984
- bugzilla.redhat.com/show_bug.cgi?id=815813
- exchange.xforce.ibmcloud.com/vulnerabilities/75169
Vendor advisories and official records. Exploit/PoC links are deliberately left out.