Uncontrolled Recursion in Wireshark
Summary
| CVE | CVE-2026-6527 |
|---|---|
| State | PUBLISHED |
| Assigner | GitLab |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-04-30 07:16:39 UTC |
| Updated | 2026-04-30 07:16:39 UTC |
| Description | ASN.1 PER protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service |
Risk And Classification
Primary CVSS: v3.1 5.5 MEDIUM from [email protected]
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Problem Types: CWE-674 | CWE-674 CWE-674: Uncontrolled Recursion
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | [email protected] | Secondary | 5.5 | MEDIUM | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
| 3.1 | CNA | CVSS | 5.5 | MEDIUM | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
CVSS v3.1 Breakdown
Attack Vector
LocalAttack Complexity
LowPrivileges Required
NoneUser Interaction
RequiredScope
UnchangedConfidentiality
NoneIntegrity
NoneAvailability
HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Wireshark Foundation | Wireshark | affected 4.6.0 4.6.5 semver | Not specified |
| CNA | Wireshark Foundation | Wireshark | affected 4.4.0 4.4.15 semver | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| www.wireshark.org/security/wnpa-sec-2026-34.html | [email protected] | www.wireshark.org | |
| gitlab.com/wireshark/wireshark/-/work_items/21149 | [email protected] | gitlab.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Vendor Comments And Credit
Discovery Credit
CNA: Alexandre de Oliveira (en)
Additional Advisory Data
Solutions
CNA: Upgrade to version 4.6.5 or above
There are currently no legacy QID mappings associated with this CVE.