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TI-2022-03978 Aliases CVE-2022-4345GHSA-mp4c-w7j9-95f4

Infinite loop in Wireshark

Priority LOW 30CWE-835Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-835.

Summary

Infinite loops in the BPv6, OpenFlow, and Kafka protocol dissectors in Wireshark 4.0.0 to 4.0.1 and 3.6.0 to 3.6.9 allows denial of service via packet injection or crafted capture file

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00694 53rd percentileScored 2026-11-07
Fix Fixed Wireshark (Wireshark Foundation): 4.0.2, 3.6.10

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
Wireshark FoundationWireshark4.0.0 to before 4.0.2; 3.6.0 to before 3.6.104.0.2, 3.6.10Patch availableCNA
  • Wireshark VendorWireshark Foundation Affected 4.0.0 to before 4.0.2; 3.6.0 to before 3.6.10 Fixed in 4.0.2, 3.6.10 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*3.6.0 to before 3.6.10; 4.0.0 to before 4.0.2VulnerableWireshark Foundation
  • cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:* Versions 3.6.0 to before 3.6.10; 4.0.0 to before 4.0.2 Vulnerable ·Wireshark Foundation

Remediation

  • Fix · CNA Wireshark (Wireshark Foundation) Fixed in 4.0.2, 3.6.10

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Advisory ·

    Wireshark — FEDORA-2023-9ddb9b9757

    2 records Highest priority Priority LOW 2 LOW

    Other records, highest priority first

    • TI-2022-03977 Uncontrolled resource consumption in WiresharkPriority LOW 29
  • Advisory ·

    Wireshark — FEDORA-2023-f9e2ad8b73

    2 records Highest priority Priority LOW 2 LOW

    Other records, highest priority first

    • TI-2022-03977 Uncontrolled resource consumption in WiresharkPriority LOW 29

Vendor assessments

Red Hat

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

Not affected: 4 products
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux 8
  • Red Hat Enterprise Linux 9

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-4345
  2. 2026-10-03 Alias added: GHSA-mp4c-w7j9-95f4

References

  • TI-2026-53718 Heap-based Buffer Overflow in Wireshark CVSS 3.1CRITICAL 9.8
  • TI-2026-63612 Heap-based Buffer Overflow in Wireshark CVSS 3.1HIGH 8.8
  • TI-2024-16149 A buffer overflow in Wireshark before 4.2.0 allows a remote attacker to cause a denial of… CVSS 3.1HIGH 7.5
  • TI-2010-00291 Multiple buffer overflows in the LWRES dissector in Wireshark 0.9.15 through 1.0.10 and… CVSS 2.0HIGH 7.5
  • TI-2026-63614 Heap-based Buffer Overflow in Wireshark CVSS 3.1HIGH 8.1
  • TI-2014-01823 Buffer overflow in the mpeg_read function in wiretap/mpeg.c in the MPEG parser in… CVSS 2.0HIGH 9.3
See all 794 →

Sources