CVE-2026-76886

CRITICAL

INFO Priority: 0.04 BB Relevance: 80/100

Published: 2026-08-19 Modified: 2026-10-24 First seen: 2026-10-29 Status: active

Network Low Complexity No Auth No Interaction Conf. Impact Integ. Impact

AV: Network

AC: Low

PR: None

UI: None

S: Unchanged

C: High

I: High

A: High

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

CWE-122

Vendor	Product	Version
wireshark	wireshark	4.4.0 – 4.4.18
wireshark	wireshark	4.6.0 – 4.6.8

Vendor Advisory

Exploit Mitigation Vendor Advisory

Exploit Mitigation Vendor Advisory

80 / 100

✓ Network accessible
✓ No authentication
✓ Low complexity
✓ No user interaction

9.8 / 10.0 v3.1

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

0.38%

Raw Score 0.003820

Percentile 32.2%

Date 2026-10-29

2026-10-29

0.00382

2026-10-28

0.00382

nvd ref →