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TI-2026-12783 Aliases CVE-2026-15172GHSA-45fx-qq48-m87m

Unchecked Input for Loop Condition in Wireshark

Priority LOW 24CWE-606Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · None · High
Fix status
Partial Red Hat: 5 without a fix

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Red Hat.

Summary

FMP/NOTIFY protocol dissector crash in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows denial of service

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00141 3rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Partial Wireshark (Wireshark Foundation): 4.6.7, 4.4.17Red Hat: 5 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
Wireshark FoundationWireshark4.6.0 to before 4.6.7; 4.4.0 to before 4.4.174.6.7, 4.4.17Patch availableCNA
  • Wireshark VendorWireshark Foundation Affected 4.6.0 to before 4.6.7; 4.4.0 to before 4.4.17 Fixed in 4.6.7, 4.4.17 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*4.4.0 to before 4.4.17; 4.6.0 to before 4.6.7VulnerableWireshark Foundation
  • cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:* Versions 4.4.0 to before 4.4.17; 4.6.0 to before 4.6.7 Vulnerable ·Wireshark Foundation

Remediation

  • Fix · CNA Wireshark (Wireshark Foundation) Fixed in 4.6.7, 4.4.17

Fixed in the same release

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

  • Release ·

    Wireshark 4.4.17, 4.6.7

    9 records Highest priority Priority HIGH 1 HIGH, 5 MEDIUM, 3 LOW

    Other records, highest priority first

    • TI-2026-12780 Heap-based Buffer Overflow in WiresharkPriority HIGH 66
    • TI-2026-12785 Heap-based Buffer Overflow in WiresharkPriority MEDIUM 58
    • TI-2026-12782 NULL Pointer Dereference in WiresharkPriority MEDIUM 58

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux 10AffectedNo fix yet: Fix deferred
Red Hat Enterprise Linux 6AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux 7AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux 8AffectedNo fix yet: Fix deferred
Red Hat Enterprise Linux 9AffectedNo fix yet: Fix deferred

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-15172
  2. 2026-10-03 Alias added: GHSA-45fx-qq48-m87m

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