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Wireshark WiresharkHeap-based Buffer Overflow in Wireshark

Risk 86
Severity
9.8
AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

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

First published (updated )
CVE-2026-76886

Wireshark WiresharkHeap-based Buffer Overflow in Wireshark

Risk 77
Severity
8.8
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

TLS protocol dissector heap overflow in Wireshark 4.6.0 to 4.6.4 allows denial of service and possible code execution

First published (updated )
CVE-2026-5402

Wireshark WiresharkAccess of Uninitialized Pointer in Wireshark

Risk 68
Severity
7.8
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Kafka dissector crash in Wireshark 4.6.0 and 4.4.0 to 4.4.10 allows denial of service

Remedy

Upgrade to version 4.6.1, 4.4.11, or above
First published (updated )
CVE-2025-13499

Wireshark WiresharkHeap-based Buffer Overflow in Wireshark

Risk 68
Severity
7.8
AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

SBC codec crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service and possible code execution

First published (updated )
CVE-2026-5403

Wireshark WiresharkImproper Limitation of a Pathname to a Restricted Directory ('Path Traversal') in Wireshark

Risk 68
Severity
7.8
Path Traversal
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Profile import path traversal in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service and possible code execution

First published (updated )
CVE-2026-5656

Wireshark WiresharkHeap-based Buffer Overflow in Wireshark

Risk 68
Severity
7.8
AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

RDP protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service and possible code execution

First published (updated )
CVE-2026-5405

Wireshark WiresharkImproperly Controlled Sequential Memory Allocation in Wireshark

Risk 31
Severity
7.5
EPSS
0.02%
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H

USB HID protocol dissector memory exhaustion in Wireshark 4.6.0 to 4.6.3 and 4.4.0 to 4.4.13 allows denial of service

First published (updated )
CVE-2026-3201

Wireshark WiresharkBuffer Over-read in Wireshark

Risk 23
Severity
7.5
EPSS
0.02%
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

RF4CE Profile protocol dissector crash in Wireshark 4.6.0 to 4.6.3 and 4.4.0 to 4.4.13 allows denial of service

First published (updated )
CVE-2026-3203

Wireshark WiresharkNULL Pointer Dereference in Wireshark

Risk 31
Severity
7.5
EPSS
0.02%
Null Pointer Dereference
AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H

NTS-KE protocol dissector crash in Wireshark 4.6.0 to 4.6.3 allows denial of service

Remedy

Upgrade to version 4.6.4 or above
First published (updated )
CVE-2026-3202

Wireshark sharkdMissing Release of Memory after Effective Lifetime in Wireshark

Risk 23
Severity
7.5
EPSS
0.02%
AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Memory leak in sharkd 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service

First published (updated )
CVE-2026-7379

Wireshark sharkdHeap-based Buffer Overflow in Wireshark

Risk 23
Severity
7.5
EPSS
0.02%
AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Crash in sharkd 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service

First published (updated )
CVE-2026-7378

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

Risk 23
Severity
7.5
EPSS
0.02%
AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

UDS protocol dissector infinite loop in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service

First published (updated )
CVE-2026-7375

Wireshark sharkdNULL Pointer Dereference in Wireshark

Risk 23
Severity
7.5
EPSS
0.02%
Null Pointer Dereference
AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Crash in sharkd 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service

First published (updated )
CVE-2026-7376

Wireshark WiresharkStack-based Buffer Overflow in Wireshark

Risk 23
Severity
7.5
EPSS
0.02%
AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

HTTP protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service

First published (updated )
CVE-2026-6868

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

Risk 23
Severity
7.5
EPSS
0.02%
AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

OpenFlow v6 protocol dissector infinite loop in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service

First published (updated )
CVE-2026-6520

Wireshark WiresharkHeap-based Buffer Overflow in Wireshark

Risk 43
Severity
7.5
AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

DCP-ETSI protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service

Remedy

Upgrade to version 4.6.5 or above
First published (updated )
CVE-2026-5653

Wireshark WiresharkStack-based Buffer Overflow in Wireshark

Risk 43
Severity
7.5
AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

AMR-NB codec crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service

Remedy

Upgrade to version 4.6.5 or above
First published (updated )
CVE-2026-5654

Wireshark WiresharkDouble Free in Wireshark

Risk 43
Severity
7.5
Double Free
AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

iLBC codec crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service

Remedy

Upgrade to version 4.6.5 or above
First published (updated )
CVE-2026-5657

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

Risk 23
Severity
7.5
EPSS
0.02%
AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

MBIM protocol dissector infinite loop in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service

First published (updated )
CVE-2026-6519

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

Risk 43
Severity
7.5
AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

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

First published (updated )
CVE-2026-15163

ciscodumpHeap-based Buffer Overflow in ciscodump

Risk 37
Severity
7.5
AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

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

First published (updated )
CVE-2026-15164

Wireshark WiresharkHeap-based Buffer Overflow in Wireshark

Risk 37
Severity
7.5
AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

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

First published (updated )
CVE-2026-15165

Wireshark WiresharkHeap-based Buffer Overflow in Wireshark

Risk 43
Severity
7.5
AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

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

First published (updated )
CVE-2026-15169

Wireshark WiresharkStack-based Buffer Overflow in Wireshark

Risk 43
Severity
7.5
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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

First published (updated )
CVE-2026-15167

Wireshark WiresharkHeap-based Buffer Overflow in Wireshark

Risk 43
Severity
7.5
AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L

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

First published (updated )
CVE-2026-76888

Wireshark WiresharkOut-of-bounds Write in Wireshark

Risk 43
Severity
7.5
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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

First published (updated )
CVE-2026-76880

Wireshark WiresharkUse of Uninitialized Variable in Wireshark

Risk 43
Severity
7.5
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

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

First published (updated )
CVE-2026-76919

Wireshark WiresharkStack-based Buffer Overflow in Wireshark

Risk 43
Severity
7.5
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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

First published (updated )
CVE-2026-76879

Wireshark WiresharkNULL Pointer Dereference in Wireshark

Risk 43
Severity
7.5
Null Pointer Dereference
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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

First published (updated )
CVE-2026-76928

Wireshark WiresharkNULL Pointer Dereference in Wireshark

Risk 43
Severity
7.5
Null Pointer Dereference
AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H

H.245 protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service

First published (updated )
CVE-2026-76927

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