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CVE-2026-19696

Out-of-bounds Write in Wireshark

Ixia IxVeriWave and Vector Informatik BLF file parser crashes in 4.6.0 to 4.6.7 allows denial of service on Windows

CVSS 3.1 · 6.6 Medium EPSS < 1% KEV · Not listed
Vendors
Microsoft Wireshark
Products
Windows Wireshark
CVE-2026-76923

Out-of-bounds Read in Wireshark

Bluetooth HFP Profile protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service

CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed
Vendors
Wireshark
Products
Wireshark
CVE-2026-76921

Use After Free in Wireshark

CMS protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service

CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed
Vendors
Wireshark
Products
Wireshark
CVE-2026-76920

Out-of-bounds Write in Wireshark

3gpp phone log file parser crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service

CVSS 3.1 · 4.7 Medium EPSS < 1% KEV · Not listed
Vendors
Wireshark
Products
Wireshark
CVE-2026-76918

Heap-based Buffer Overflow in Wireshark

SSH protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service

CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed
Vendors
Wireshark
Products
Wireshark
CVE-2026-76928

NULL Pointer Dereference in Wireshark

X.509IF protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service

CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Vendors
Wireshark
Products
Wireshark
CVE-2026-76929

Out-of-bounds Read in Wireshark

Pcapng file parser crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service

CVSS 3.1 · 4.7 Medium EPSS < 1% KEV · Not listed
Vendors
Wireshark
Products
Wireshark
CVE-2026-76886

Heap-based Buffer Overflow in Wireshark

C12.22 protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service

CVSS 3.1 · 8.1 High EPSS < 1% KEV · Not listed
Vendors
Wireshark
Products
Wireshark
CVE-2026-15164

Heap-based Buffer Overflow in ciscodump

Crash in ciscodump 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows denial of service

CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed
Vendors
Wireshark
Products
Ciscodump Wireshark
CVE-2026-15173

Heap-based Buffer Overflow in Wireshark

pcapng file parser crash in Wireshark 4.6.0 to 4.6.6 allows denial of service

CVSS 3.1 · 4.7 Medium EPSS < 1% KEV · Not listed
Vendors
Wireshark
Products
Wireshark
CVE-2026-15168

Use of Uninitialized Variable in Wireshark

BLF file parser in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows possible information disclosure

CVSS 3.1 · 2.5 Low EPSS < 1% KEV · Not listed
Vendors
Wireshark
Products
Wireshark
CVE-2026-15163

Loop with Unreachable Exit Condition ('Infinite Loop') in Wireshark

Multiple protocol dissector infinite loops in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allow denial of service

CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed
Vendors
Wireshark
Products
Wireshark
CVE-2026-15165

Heap-based Buffer Overflow in Wireshark

TLS ECH decryptor crash in Wireshark 4.6.0 to 4.6.6 allows denial of service

CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed
Vendors
Wireshark
Products
Wireshark
CVE-2026-15170

Heap-based Buffer Overflow in Wireshark

Z39.50 protocol dissector crash in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows denial of service

CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed
Vendors
Wireshark
Products
Wireshark
CVE-2026-15167

Stack-based Buffer Overflow in Wireshark

DBS Etherwatch file parser crash in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows denial of service

CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Vendors
Wireshark
Products
Wireshark
CVE-2026-15169

Heap-based Buffer Overflow in Wireshark

UMTS FP protocol dissector crash in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows denial of service

CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed
Vendors
Wireshark
Products
Wireshark
CVE-2026-15171

NULL Pointer Dereference in Wireshark

SSH protocol dissector crash in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows denial of service

CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed
Vendors
Wireshark
Products
Wireshark
CVE-2026-15172

Unchecked Input for Loop Condition in Wireshark

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

CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed
Vendors
Wireshark
Products
Wireshark
CVE-2026-15174

Heap-based Buffer Overflow in Wireshark

Catapult DCT2000 protocol dissector crash in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows denial of service

CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed
Vendors
Wireshark
Products
Wireshark
CVE-2026-15166

Stack-based Buffer Overflow in Wireshark

IEEE 802.11 protocol dissector crash in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows denial of service

CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed
Vendors
Wireshark
Products
Wireshark