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TI-2025-42133 Aliases CVE-2025-68615

Net-SNMP snmptrapd crash

Priority HIGH 77CWE-119Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Partial Red Hat: 26 fixed, 2 without a fix

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Red Hat. Impact type from CWE-119 and the CVSS impact.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.4236 98th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Partial net-snmp (net-snmp): 5.9.5, 5.10.pre2Red Hat: 13 advisoriesRed Hat: 26 fixed, 2 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
net-snmpnet-snmpbefore 5.9.5; 5.10.pre1 to before 5.10.pre25.9.5, 5.10.pre2Patch availableCNA
  • net-snmp Vendornet-snmp Affected before 5.9.5; 5.10.pre1 to before 5.10.pre2 Fixed in 5.9.5, 5.10.pre2 Patch available CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:a:net-snmp:net-snmp:*:*:*:*:*:*:*:*before 5.9.5Vulnerablenet-snmp
cpe:2.3:a:net-snmp:net-snmp:5.10:pre1:*:*:*:*:*:*5.10 pre1Vulnerablenet-snmp
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*11.0VulnerableDebian
  • cpe:2.3:a:net-snmp:net-snmp:*:*:*:*:*:*:*:* Versions before 5.9.5 Vulnerable ·net-snmp
  • cpe:2.3:a:net-snmp:net-snmp:5.10:pre1:*:*:*:*:*:* Versions 5.10 pre1 Vulnerable ·net-snmp
  • cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* Versions 11.0 Vulnerable ·Debian

Remediation

  • Fix · CNA net-snmp (net-snmp) Fixed in 5.9.5, 5.10.pre2

Red Hat 13 advisories

  • RHSA-2026:0926 Released 2026-01-21 · Red Hat rating Important
    net-snmp security update
    • Red Hat Enterprise Linux Server (v. 7 ELS) net-snmp-1:5.7.2-49.el7_9.5
  • RHSA-2026:0853 Released 2026-01-20 · Red Hat rating Important
    net-snmp security update
    • Red Hat Enterprise Linux AppStream E4S (v.8.8) net-snmp-1:5.8-27.el8_8.3, net-snmp-agent-libs-1:5.8-27.el8_8.3, net-snmp-devel-1:5.8-27.el8_8.3 +2
    • Red Hat Enterprise Linux AppStream TUS (v.8.8) net-snmp-1:5.8-27.el8_8.3, net-snmp-agent-libs-1:5.8-27.el8_8.3, net-snmp-devel-1:5.8-27.el8_8.3 +2
    • Red Hat Enterprise Linux BaseOS E4S (v.8.8) net-snmp-1:5.8-27.el8_8.3, net-snmp-libs-1:5.8-27.el8_8.3
    • Red Hat Enterprise Linux BaseOS TUS (v.8.8) net-snmp-1:5.8-27.el8_8.3, net-snmp-libs-1:5.8-27.el8_8.3
  • RHSA-2026:0851 Released 2026-01-20 · Red Hat rating Important
    net-snmp security update
    • Red Hat Enterprise Linux AppStream AUS (v.8.6) net-snmp-1:5.8-25.el8_6.3, net-snmp-agent-libs-1:5.8-25.el8_6.3, net-snmp-devel-1:5.8-25.el8_6.3 +2
    • Red Hat Enterprise Linux AppStream E4S (v.8.6) net-snmp-1:5.8-25.el8_6.3, net-snmp-agent-libs-1:5.8-25.el8_6.3, net-snmp-devel-1:5.8-25.el8_6.3 +2
    • Red Hat Enterprise Linux AppStream TUS (v.8.6) net-snmp-1:5.8-25.el8_6.3, net-snmp-agent-libs-1:5.8-25.el8_6.3, net-snmp-devel-1:5.8-25.el8_6.3 +2
    • Red Hat Enterprise Linux BaseOS AUS (v.8.6) net-snmp-1:5.8-25.el8_6.3, net-snmp-libs-1:5.8-25.el8_6.3
    • Red Hat Enterprise Linux BaseOS E4S (v.8.6) net-snmp-1:5.8-25.el8_6.3, net-snmp-libs-1:5.8-25.el8_6.3
    • Red Hat Enterprise Linux BaseOS TUS (v.8.6) net-snmp-1:5.8-25.el8_6.3, net-snmp-libs-1:5.8-25.el8_6.3
Show 10 more Red Hat advisories
  • RHSA-2026:0852 Released 2026-01-20 · Red Hat rating Important
    net-snmp security update
    • Red Hat Enterprise Linux AppStream AUS (v.8.4) net-snmp-1:5.8-20.el8_4.3, net-snmp-agent-libs-1:5.8-20.el8_4.3, net-snmp-devel-1:5.8-20.el8_4.3 +2
    • Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4) net-snmp-1:5.8-20.el8_4.3, net-snmp-agent-libs-1:5.8-20.el8_4.3, net-snmp-devel-1:5.8-20.el8_4.3 +2
    • Red Hat Enterprise Linux BaseOS AUS (v.8.4) net-snmp-1:5.8-20.el8_4.3, net-snmp-libs-1:5.8-20.el8_4.3
    • Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.4) net-snmp-1:5.8-20.el8_4.3, net-snmp-libs-1:5.8-20.el8_4.3
  • RHSA-2026:0850 Released 2026-01-20 · Red Hat rating Important
    net-snmp security update
    • Red Hat Enterprise Linux AppStream AUS (v. 8.2) net-snmp-1:5.8-14.el8_2.6, net-snmp-agent-libs-1:5.8-14.el8_2.6, net-snmp-devel-1:5.8-14.el8_2.6 +1
    • Red Hat Enterprise Linux BaseOS AUS (v. 8.2) net-snmp-1:5.8-14.el8_2.6, net-snmp-libs-1:5.8-14.el8_2.6
  • RHSA-2026:0812 Released 2026-01-19 · Red Hat rating Important
    net-snmp security update
    • Red Hat Enterprise Linux AppStream EUS (v.9.6) net-snmp-1:5.9.1-17.el9_6.1
  • RHSA-2026:0813 Released 2026-01-19 · Red Hat rating Important
    net-snmp security update
    • Red Hat Enterprise Linux AppStream EUS (v.9.4) net-snmp-1:5.9.1-13.el9_4.4
  • RHSA-2026:0814 Released 2026-01-19 · Red Hat rating Important
    net-snmp security update
    • Red Hat Enterprise Linux AppStream E4S (v.9.2) net-snmp-1:5.9.1-11.el9_2.3
  • RHSA-2026:0815 Released 2026-01-19 · Red Hat rating Important
    net-snmp security update
    • Red Hat Enterprise Linux AppStream E4S (v.9.0) net-snmp-1:5.9.1-7.el9_0.3
  • RHSA-2026:0810 Released 2026-01-19 · Red Hat rating Important
    net-snmp security update
    • Red Hat Enterprise Linux AppStream EUS (v. 10.0) net-snmp-1:5.9.4-15.el10_0.2
  • RHSA-2026:0750 Released 2026-01-19 · Red Hat rating Important
    net-snmp security update
    • Red Hat Enterprise Linux AppStream (v. 8) net-snmp-1:5.8-33.el8_10, net-snmp-agent-libs-1:5.8-33.el8_10, net-snmp-devel-1:5.8-33.el8_10 +2
    • Red Hat Enterprise Linux BaseOS (v. 8) net-snmp-1:5.8-33.el8_10, net-snmp-libs-1:5.8-33.el8_10
  • RHSA-2026:0696 Released 2026-01-15 · Red Hat rating Important
    net-snmp security update
    • Red Hat Enterprise Linux AppStream (v. 9) net-snmp-1:5.9.1-17.el9_7.1, net-snmp-agent-libs-1:5.9.1-17.el9_7.1, net-snmp-devel-1:5.9.1-17.el9_7.1 +4
  • RHSA-2026:0668 Released 2026-01-15 · Red Hat rating Important
    net-snmp security update
    • Red Hat Enterprise Linux AppStream (v. 10) net-snmp-1:5.9.4-15.el10_1.2, net-snmp-agent-libs-1:5.9.4-15.el10_1.2, net-snmp-devel-1:5.9.4-15.el10_1.2 +5

Vendor assessments

Red Hat

Red Hat rating: Important. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 6AffectedNo fix planned: Will not fix
Red Hat OpenShift Container Platform 4AffectedNo fix yet
Red Hat Enterprise Linux AppStream (v. 10)Fixed RHSA-2026:0668
Red Hat Enterprise Linux AppStream (v. 8)Fixed RHSA-2026:0750
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2026:0696
Red Hat Enterprise Linux AppStream AUS (v. 8.2)Fixed RHSA-2026:0850
Red Hat Enterprise Linux AppStream AUS (v.8.4)Fixed RHSA-2026:0852
Red Hat Enterprise Linux AppStream AUS (v.8.6)Fixed RHSA-2026:0851
Red Hat Enterprise Linux AppStream E4S (v.8.6)Fixed RHSA-2026:0851
Red Hat Enterprise Linux AppStream E4S (v.8.8)Fixed RHSA-2026:0853
Red Hat Enterprise Linux AppStream E4S (v.9.0)Fixed RHSA-2026:0815
Red Hat Enterprise Linux AppStream E4S (v.9.2)Fixed RHSA-2026:0814
Red Hat Enterprise Linux AppStream EUS (v. 10.0)Fixed RHSA-2026:0810
Red Hat Enterprise Linux AppStream EUS (v.9.4)Fixed RHSA-2026:0813
Red Hat Enterprise Linux AppStream EUS (v.9.6)Fixed RHSA-2026:0812
Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)Fixed RHSA-2026:0852
Red Hat Enterprise Linux AppStream TUS (v.8.6)Fixed RHSA-2026:0851
Red Hat Enterprise Linux AppStream TUS (v.8.8)Fixed RHSA-2026:0853
Red Hat Enterprise Linux BaseOS (v. 8)Fixed RHSA-2026:0750
Red Hat Enterprise Linux BaseOS AUS (v. 8.2)Fixed RHSA-2026:0850
Red Hat Enterprise Linux BaseOS AUS (v.8.4)Fixed RHSA-2026:0852
Red Hat Enterprise Linux BaseOS AUS (v.8.6)Fixed RHSA-2026:0851
Red Hat Enterprise Linux BaseOS E4S (v.8.6)Fixed RHSA-2026:0851
Red Hat Enterprise Linux BaseOS E4S (v.8.8)Fixed RHSA-2026:0853
Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.4)Fixed RHSA-2026:0852
Red Hat Enterprise Linux BaseOS TUS (v.8.6)Fixed RHSA-2026:0851
Red Hat Enterprise Linux BaseOS TUS (v.8.8)Fixed RHSA-2026:0853
Red Hat Enterprise Linux Server (v. 7 ELS)Fixed RHSA-2026:0926
Not affected: 7 products
  • Red Hat Enterprise Linux AppStream E4S (v.9.0)
  • Red Hat Enterprise Linux AppStream E4S (v.9.2)
  • Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • Red Hat Enterprise Linux AppStream EUS (v.9.4)
  • Red Hat Enterprise Linux AppStream EUS (v.9.6)
  • Red Hat Enterprise Linux Server (v. 7 ELS)
  • Red Hat Enterprise Linux Server Optional (v. 7 ELS)

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-68615

References

  • TI-2018-12840 snmp_oid_compare in snmplib/snmp_api.c in Net-SNMP before 5.8 has a NULL Pointer… CVSS 3.1HIGH 7.5
  • TI-2015-04735 The snmp_pdu_parse function in snmp_api.c in net-snmp 5.7.2 and earlier does not remove… CVSS 3.1HIGH 7.5
  • TI-2022-22058 handle_ipv6IpForwarding in agent/mibgroup/ip-mib/ip_scalars.c in Net-SNMP 5.4.3 through… CVSS 3.1MEDIUM 6.5
  • TI-2022-22057 handle_ipDefaultTTL in agent/mibgroup/ip-mib/ip_scalars.c in Net-SNMP 5.8 through 5.9.3… CVSS 3.1MEDIUM 6.5
  • 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
  • TI-2005-04567 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… CVSS 2.0HIGH 10.0
See all 34 →

Sources