CVE-2026-6533
5.5
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Summary
Dissection engine LZ77 decompression crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Wireshark Foundation | Wireshark | 4.6.0 < 4.6.5 | affected |
| Wireshark Foundation | Wireshark | 4.4.9 < 4.4.15 | affected |
Weaknesses
- CWE-1325: CWE-1325: Improperly Controlled Sequential Memory Allocation
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: poc
- Automatable: no
- Technical Impact: partial
Additional References
References
- https://www.wireshark.org/security/wnpa-sec-2026-28.html
- https://gitlab.com/wireshark/wireshark/-/issues/21127
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