Description
net-snmp is a SNMP application library, tools and daemon. Prior to versions 5.9.5 and 5.10.pre2, a specially crafted packet to an net-snmp snmptrapd daemon can cause a buffer overflow and the daemon to crash. This issue has been patched in versions 5.9.5 and 5.10.pre2.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| net-snmp | net-snmp | < 5.9.5, >= 5.10.pre1, < 5.10.pre2 | — |
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 | 5.9.5.2+dfsg-1 | — |
| Debian 13 | net-snmp | 5.9.4+dfsg-2+deb13u1 | DSA-6098-1 |
| Debian 12 | net-snmp | 5.9.3+dfsg-2+deb12u1 | DSA-6098-1 |
| Debian 11 | net-snmp | 5.9+dfsg-4+deb11u3 | DLA-4430-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 25.10 | net-snmp | 5.9.4+dfsg-2ubuntu2.1 | — |
| Ubuntu 24.04 LTS | net-snmp | 5.9.4+dfsg-1.1ubuntu3.2 | — |
| Ubuntu 22.04 LTS | net-snmp | 5.9.1+dfsg-1ubuntu2.9 | — |
Show 4 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 20.04 LTS | net-snmp | 5.8+dfsg-2ubuntu2.9+esm2 | — |
| Ubuntu Pro 18.04 LTS | net-snmp | 5.7.3+dfsg-1.8ubuntu3.8+esm1 | — |
| Ubuntu Pro 16.04 LTS | net-snmp | 5.7.3+dfsg-1ubuntu4.6+esm2 | — |
| Ubuntu Pro 14.04 LTS | net-snmp | 5.7.2~dfsg-8.1ubuntu3.3+esm4 | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 10 | net-snmp +7 | 1:5.9.4-15.el10_1.2 | RHSA-2026:0668 |
| RHEL 9 | net-snmp +6 | 1:5.9.1-17.el9_7.1 | RHSA-2026:0696 |
| RHEL 8 | net-snmp +5 | 1:5.8-33.el8_10 | RHSA-2026:0750 |
Show 14 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 10.0 EUS | net-snmp | 1:5.9.4-15.el10_0.2 | RHSA-2026:0810 |
| RHEL 9.6 EUS | net-snmp | 1:5.9.1-17.el9_6.1 | RHSA-2026:0812 |
| RHEL 9.4 EUS | net-snmp | 1:5.9.1-13.el9_4.4 | RHSA-2026:0813 |
| RHEL 9.2 E4S | net-snmp | 1:5.9.1-11.el9_2.3 | RHSA-2026:0814 |
| RHEL 9.0 E4S | net-snmp | 1:5.9.1-7.el9_0.3 | RHSA-2026:0815 |
| RHEL 8.8 TUS | net-snmp +5 | 1:5.8-27.el8_8.3 | RHSA-2026:0853 |
| RHEL 8.8 E4S | net-snmp +5 | 1:5.8-27.el8_8.3 | RHSA-2026:0853 |
| RHEL 8.6 TUS | net-snmp +5 | 1:5.8-25.el8_6.3 | RHSA-2026:0851 |
| RHEL 8.6 E4S | net-snmp +5 | 1:5.8-25.el8_6.3 | RHSA-2026:0851 |
| RHEL 8.6 AUS | net-snmp +5 | 1:5.8-25.el8_6.3 | RHSA-2026:0851 |
| RHEL 8.4 EUS Long Life | net-snmp +5 | 1:5.8-20.el8_4.3 | RHSA-2026:0852 |
| RHEL 8.4 AUS | net-snmp +5 | 1:5.8-20.el8_4.3 | RHSA-2026:0852 |
| RHEL 8.2 AUS | net-snmp +4 | 1:5.8-14.el8_2.6 | RHSA-2026:0850 |
| RHEL 7 ELS | net-snmp | 1:5.7.2-49.el7_9.5 | RHSA-2026:0926 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 10 | net-snmp +7 | 1:5.9.4-15.el10_1.2 | ALSA-2026:0668 |
| AlmaLinux 9 | net-snmp +6 | 1:5.9.1-17.el9_7.1 | ALSA-2026:0696 |
| AlmaLinux 8 | net-snmp +5 | 1:5.8-33.el8_10 | ALSA-2026:0750 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 10 | net-snmp | 1:5.9.4-15.el10_1.2 | RLSA-2026:0668 |
| Rocky Linux 9 | net-snmp | 1:5.9.1-17.el9_7.1 | RLSA-2026:0696 |
| Rocky Linux 8 | net-snmp | 1:5.8-33.el8_10 | RLSA-2026:0750 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP7 | net-snmp | 5.7.3-150100.10.15.1 | SUSE-SU-2026:0228-1, SUSE-SU-2026:0225-1 |
| SLES 15 SP6 | net-snmp | 5.7.3-150100.10.15.1 | SUSE-SU-2026:0228-1, SUSE-SU-2026:0225-1 |
| SLES 15 SP5 | net-snmp | 5.7.3-150100.10.15.1 | SUSE-SU-2026:0227-1, SUSE-SU-2026:0225-1 |
| SLES 15 SP4 | net-snmp | 5.7.3-150100.10.15.1 | SUSE-SU-2026:0227-1, SUSE-SU-2026:0225-1 |
| SLES 12 SP5 | net-snmp | 5.9.4-14.11.1 | SUSE-SU-2026:0195-1 |
Show 13 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 16.0 | net-snmp | 5.9.4-160000.3.1 | SUSE-SU-2026:20901-1 |
| SLES for SAP 15 SP6 | net-snmp | 5.7.3-150100.10.15.1 | SUSE-SU-2026:0228-1, SUSE-SU-2026:0225-1 |
| SLES for SAP 15 SP5 | net-snmp | 5.7.3-150100.10.15.1 | SUSE-SU-2026:0227-1, SUSE-SU-2026:0225-1 |
| SLES for SAP 15 SP4 | net-snmp | 5.7.3-150100.10.15.1 | SUSE-SU-2026:0227-1, SUSE-SU-2026:0225-1 |
| SLES 16.0 | net-snmp | 5.9.4-160000.3.1 | SUSE-SU-2026:20901-1 |
| SLE Micro 6.2 | net-snmp | 5.9.4-160000.3.1 | SUSE-SU-2026:20751-1 |
| SLE Micro 6.1 | net-snmp | 5.9.4-slfo.1.1_2.1 | SUSE-SU-2026:20359-1 |
| SLE Micro 6.0 | net-snmp | 5.9.4-2.1 | SUSE-SU-2026:20267-1 |
| SLE Micro 5.5 | net-snmp | 5.9.4-150300.15.21.1 | SUSE-SU-2026:0227-2, SUSE-SU-2026:0227-1 |
| SLE Micro 5.4 | net-snmp | 5.9.4-150300.15.21.1 | SUSE-SU-2026:0227-1 |
| SLE Micro 5.3 | net-snmp | 5.7.3-150100.10.15.1 | SUSE-SU-2026:0227-1, SUSE-SU-2026:0225-1 |
| SLE HPC 15 SP5 | net-snmp | 5.7.3-150100.10.15.1 | SUSE-SU-2026:0227-1, SUSE-SU-2026:0225-1 |
| SLE HPC 15 SP4 | net-snmp | 5.7.3-150100.10.15.1 | SUSE-SU-2026:0227-1, SUSE-SU-2026:0225-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | net-snmp | 5.9.5.2-1.1 | openSUSE-SU-2026:10157-1 |
| openSUSE Leap 16.0 | net-snmp | 5.9.4-160000.3.1 | openSUSE-SU-2026:20383-1 |
| openSUSE Leap 15.6 | net-snmp | 5.9.4-150600.24.10.1 | SUSE-SU-2026:0228-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | net-snmp | 5.9.5.2-r0 | — |
| Alpine v3.23 | net-snmp | 5.9.5.2-r0 | — |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2023 | net-snmp +7 | 1:5.9.3-2.amzn2023.0.4 | ALAS2023-2026-1362 |
| Amazon Linux 2 | net-snmp +8 | 1:5.7.2-49.amzn2.1.3 | ALAS2-2026-3124 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | net-snmp | 5.9.5.2-1 | — |
| Azure Linux 2 (CBL-Mariner) | net-snmp | 5.9.5.2-1 | — |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 10 | net-snmp +7 | 1:5.9.4-15.0.1.el10_1.2 | ELSA-2026-0668 |
| Oracle Linux 9 | net-snmp +6 | 1:5.9.1-17.0.1.el9_7.1 | ELSA-2026-0696 |
| Oracle Linux 8 | net-snmp +5 | 1:5.8-33.0.1.el8_10 | ELSA-2026-0750 |
| Oracle Linux 7 | net-snmp +8 | 1:5.7.2-49.0.3.el7_9.4 | ELSA-2026-0926 |
Advisories 44
- ALSA-2026:0668 Important: net-snmp security update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2026:0696 Important: net-snmp security update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2026:0750 Important: net-snmp security update AlmaLinux Security Advisories · Oct 29, 2026
- WID-SEC-2026-2253 IBM Security Verify Access: Mehrere Schwachstellen BSI CERT-Bund (WID) · Sep 17, 2026
- WID-SEC-2025-2916 Net-SNMP: Schwachstelle ermöglicht Codeausführung und DoS BSI CERT-Bund (WID) · Sep 3, 2026
- RHSA-2026:0926 Red Hat Security Advisory: net-snmp security update Red Hat Security Advisories (RHSA) · Aug 22, 2026
- RHSA-2026:0853 Red Hat Security Advisory: net-snmp security update Red Hat Security Advisories (RHSA) · Aug 22, 2026
- RHSA-2026:0851 Red Hat Security Advisory: net-snmp security update Red Hat Security Advisories (RHSA) · Aug 22, 2026
- RHSA-2026:0852 Red Hat Security Advisory: net-snmp security update Red Hat Security Advisories (RHSA) · Aug 22, 2026
- RHSA-2026:0850 Red Hat Security Advisory: net-snmp security update Red Hat Security Advisories (RHSA) · Aug 22, 2026
- RHSA-2026:0814 Red Hat Security Advisory: net-snmp security update Red Hat Security Advisories (RHSA) · Aug 22, 2026
- RHSA-2026:0815 Red Hat Security Advisory: net-snmp security update Red Hat Security Advisories (RHSA) · Aug 22, 2026
- RHSA-2026:0813 Red Hat Security Advisory: net-snmp security update Red Hat Security Advisories (RHSA) · Aug 22, 2026
- RHSA-2026:0812 Red Hat Security Advisory: net-snmp security update Red Hat Security Advisories (RHSA) · Aug 22, 2026
- RHSA-2026:0810 Red Hat Security Advisory: net-snmp security update Red Hat Security Advisories (RHSA) · Aug 22, 2026
- RHSA-2026:0750 Red Hat Security Advisory: net-snmp security update Red Hat Security Advisories (RHSA) · Aug 22, 2026
- RHSA-2026:0696 Red Hat Security Advisory: net-snmp security update Red Hat Security Advisories (RHSA) · Aug 22, 2026
- RHSA-2026:0668 Red Hat Security Advisory: net-snmp security update Red Hat Security Advisories (RHSA) · Aug 22, 2026
- VDE-2026-038 TURCK: Multiple Vulnerabilities in Managed Ethernet Switches CERT@VDE · Jun 16, 2026
- WID-SEC-2026-1203 Oracle Fusion Middleware: Mehrere Schwachstellen BSI CERT-Bund (WID) · Apr 21, 2026
- WID-SEC-2026-1194 Oracle Communications: Mehrere Schwachstellen BSI CERT-Bund (WID) · Apr 21, 2026
- SUSE-SU-2026:20901-1 Security update for net-snmp SUSE / openSUSE Security Updates · Apr 2, 2026
- SUSE-SU-2026:0227-2 Security update for net-snmp SUSE / openSUSE Security Updates · Apr 1, 2026
- openSUSE-SU-2026:20383-1 Security update for net-snmp SUSE / openSUSE Security Updates · Mar 26, 2026
- WID-SEC-2026-0544 IBM QRadar SIEM: Mehrere Schwachstellen BSI CERT-Bund (WID) · Mar 25, 2026
- SUSE-SU-2026:20751-1 Security update for net-snmp SUSE / openSUSE Security Updates · Mar 25, 2026
- SUSE-SU-2026:20359-1 Security update for net-snmp SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2026:20267-1 Security update for net-snmp SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2026:0225-1 Security update for net-snmp SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2026:0227-1 Security update for net-snmp SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2026:0228-1 Security update for net-snmp SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2026:0195-1 Security update for net-snmp SUSE / openSUSE Security Updates · Mar 23, 2026
- openSUSE-SU-2026:10157-1 libsnmp45-32bit-5.9.5.2-1.1 on GA media SUSE / openSUSE Security Updates · Feb 7, 2026
- ELSA-2026-0926 Important: net-snmp security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Feb 3, 2026
- ALAS2023-2026-1362 Important: net-snmp security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · Jan 23, 2026
- ALAS2-2026-3124 Important: net-snmp security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Jan 21, 2026
- RLSA-2026:0750 Important: net-snmp security update Rocky Linux Security Advisories · Jan 20, 2026
- ELSA-2026-0750 Important: net-snmp security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Jan 19, 2026
- RLSA-2026:0696 Important: net-snmp security update Rocky Linux Security Advisories · Jan 17, 2026
- RLSA-2026:0668 Important: net-snmp security update Rocky Linux Security Advisories · Jan 17, 2026
- ELSA-2026-0668 Important: net-snmp security update (Oracle Linux 10) Oracle Linux Security Advisories (ELSA) · Jan 15, 2026
- ELSA-2026-0696 Important: net-snmp security update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · Jan 15, 2026
- DSA-6098-1 net-snmp - security update Debian Security (DSA / DLA) · Jan 12, 2026
- DLA-4430-1 net-snmp - security update Debian Security (DSA / DLA) · Jan 1, 2026