CVE-2026-6533: Improperly Controlled Sequential Memory Allocation in Wireshark
Wireshark Foundation · Wireshark
Vendor fix available · Affected: Wireshark Foundation · Exploitation: unlikely (under 1%)
Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.
Higher than 3% of scored CVEs
DescriptionCVE.org
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 products1
From the CVE record. A product or version that is not listed is unknown, not unaffected.
- Wireshark Foundation · Wiresharkfrom 4.6.0 before 4.6.5; from 4.4.9 before 4.4.15
On the Atlas
Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.
- Exploitation
- Unlikely (under 1%). EPSS under 1%, or no score yet.
- CISA KEV
- Not listed
- Public check
- No public nuclei template
- Vendor
- Wireshark Foundation
- Published
- April 2026
CoverageNo articles yet
No CyberSIXT article names CVE-2026-6533 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.