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TI-2024-07767 Aliases CVE-2024-8376GHSA-72qw-2vp3-gvg9

Memory leak in Eclipse Foundation Mosquitto

Priority LOW 33CWE-401Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Denial of service
Confidentiality · integrity · availability
High · Low · High
Fix status
Partial Red Hat: 4 fixed, 1 without a fix

Attack profile from CVSS 4.0 · CNA. Fix status from CNA and Red Hat. Impact type from CWE-401.

Summary

In Eclipse Mosquitto up to version 2.0.18a, an attacker can achieve memory leaking, segmentation fault or heap-use-after-free by sending specific sequences of "CONNECT", "DISCONNECT", "SUBSCRIBE", "UNSUBSCRIBE" and "PUBLISH" packets.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00749 55th percentileScored 2026-11-07
Fix Partial Mosquitto (Eclipse Foundation): 2.0.19Red Hat: 3 advisoriesRed Hat: 4 fixed, 1 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

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

Affected products

VendorProductAffected versionsFixed inStatusSource
Eclipse FoundationMosquitto2.0.182.0.19Patch availableCNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:eclipse:mosquitto:*:*:*:*:*:*:*:*before 2.0.19VulnerableEclipse Foundation
  • cpe:2.3:a:eclipse:mosquitto:*:*:*:*:*:*:*:* Versions before 2.0.19 Vulnerable ·Eclipse Foundation

Remediation

  • Fix · CNA Mosquitto (Eclipse Foundation) Fixed in 2.0.19

Red Hat 3 advisories

  • RHSA-2024:8906 Released 2024-11-05 · Red Hat rating Critical
    Satellite 6.16.0 release
    • Red Hat Satellite 6.16 for RHEL 8 ansible-collection-redhat-satellite-4.2.0-1.el8sat, ansible-collection-redhat-satellite_operations-3.0.0-1.el8sat, ansible-lint-5.4.0-1.el8pc +47
    • Red Hat Satellite 6.16 for RHEL 9 ansible-collection-redhat-satellite-4.2.0-1.el9sat, ansible-collection-redhat-satellite_operations-3.0.0-1.el9sat, ansible-runner-2.2.1-5.el9pc +47
  • RHSA-2024:8719 Released 2024-10-31 · Red Hat rating Important
    Satellite 6.15.4.2 Async Update
    • Red Hat Satellite 6.15 for RHEL 8 foreman-3.9.1.11-1.el8sat, foreman-cli-3.9.1.11-1.el8sat, foreman-debug-3.9.1.11-1.el8sat +13
  • RHSA-2024:8718 Released 2024-10-31 · Red Hat rating Important
    Satellite 6.14.4.3 Async Update
    • Red Hat Satellite 6.14 for RHEL 8 foreman-3.7.0.14-1.el8sat, foreman-cli-3.7.0.14-1.el8sat, foreman-debug-3.7.0.14-1.el8sat +12

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Satellite 6AffectedNo fix yet
Red Hat Satellite 6.14 for RHEL 8Fixed RHSA-2024:8718
Red Hat Satellite 6.15 for RHEL 8Fixed RHSA-2024:8719
Red Hat Satellite 6.16 for RHEL 8Fixed RHSA-2024:8906
Red Hat Satellite 6.16 for RHEL 9Fixed RHSA-2024:8906
Not affected: 4 products
  • Red Hat Satellite 6.14 for RHEL 8
  • Red Hat Satellite 6.15 for RHEL 8
  • Red Hat Satellite 6.16 for RHEL 8
  • Red Hat Satellite 6.16 for RHEL 9

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-8376
  2. 2026-10-03 Alias added: GHSA-72qw-2vp3-gvg9

References

Patch 2

Advisory 1

Other 5

  • TI-2024-09749 Eclipse Mosquito: Heap Buffer Overflow in my_subscribe_callback CVSS 4.0HIGH 7.2
  • TI-2018-09002 Reachable assertion in Eclipse Mosquitto CVSS 3.0HIGH 7.5
  • TI-2023-12912 The broker in Eclipse Mosquitto 1.3.2 through 2.x before 2.0.16 has a memory leak that… CVSS 3.1HIGH 7.5
  • TI-2017-05287 Uncontrolled resource consumption in Eclipse Mosquitto CVSS 3.0HIGH 7.5
  • TI-2023-05183 Unconditionally adding an event to the epoll causes excessive CPU consumption CVSS 3.1HIGH 7.5
  • TI-2018-09010 Improper authentication in Eclipse Mosquitto CVSS 3.0HIGH 8.1
See all 25 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences