CVE-2026-6538
Detail
Description
BEEP protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service
Metrics
NVD enrichment efforts reference publicly available information to associate
vector strings. CVSS information contributed by other sources is also
displayed.
CVSS 4.0 Severity and Vector Strings:
NVD assessment
not yet provided.
CVSS 3.x Severity and Vector Strings:
Base
Score:
NVD assessment
not yet provided.
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS 2.0 Severity and Vector Strings:
Base
Score:
NVD assessment
not yet provided.
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Weakness Enumeration
| CWE-ID |
CWE Name |
Source |
|
CWE-121
|
Stack-based Buffer Overflow |
GitLab Inc.
|
Change History
5 change records found show changes
CVE Modified by CISA-ADP
6/17/2026 7:00:57 AM
| Action |
Type |
Old Value |
New Value |
| Added |
SSVC |
{"timestamp":"2026-04-30T12:50:05.602332Z","id":"CVE-2026-6538","options":[{"exploitation":"poc"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}
|
CVE Modified by GitLab Inc.
6/17/2026 7:00:57 AM
| Action |
Type |
Old Value |
New Value |
| Added |
Affected |
[{"vendor":"Wireshark Foundation","product":"Wireshark","defaultStatus":"unaffected","versions":[{"version":"4.6.0","lessThan":"4.6.5","versionType":"semver","status":"affected"},{"version":"4.4.0","lessThan":"4.4.15","versionType":"semver","status":"affected"}]}]
|
Initial Analysis by NIST
5/01/2026 2:15:37 PM
| Action |
Type |
Old Value |
New Value |
| Added |
CPE Configuration |
OR
*cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:* versions from (including) 4.4.0 up to (including) 4.4.14
*cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:* versions from (including) 4.6.0 up to (including) 4.6.4
|
| Added |
Reference Type |
CISA-ADP: https://gitlab.com/wireshark/wireshark/-/work_items/21120 Types: Issue Tracking, Third Party Advisory
|
| Added |
Reference Type |
GitLab Inc.: https://gitlab.com/wireshark/wireshark/-/issues/21120 Types: Exploit, Issue Tracking
|
| Added |
Reference Type |
GitLab Inc.: https://www.wireshark.org/security/wnpa-sec-2026-23.html Types: Vendor Advisory
|
CVE Modified by CISA-ADP
4/30/2026 10:16:35 AM
| Action |
Type |
Old Value |
New Value |
| Added |
Reference |
https://gitlab.com/wireshark/wireshark/-/work_items/21120
|
New CVE Received from GitLab Inc.
4/30/2026 3:16:41 AM
| Action |
Type |
Old Value |
New Value |
| Added |
Description |
BEEP protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service
|
| Added |
CVSS V3.1 |
AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
|
| Added |
CWE |
CWE-121
|
| Added |
Reference |
https://gitlab.com/wireshark/wireshark/-/issues/21120
|
| Added |
Reference |
https://www.wireshark.org/security/wnpa-sec-2026-23.html
|
Quick Info
CVE Dictionary Entry: CVE-2026-6538 NVD
Published Date: 04/30/2026 NVD
Last Modified: 06/17/2026
Source: GitLab Inc.
|
