HIGH
CVE-2026-5655
CWE-416Published: April 30, 2026· Updated: May 1, 2026
7.5
CVSS v3.1
EPSS:0.02%probability of exploitation in 30 daysPercentile:4.0th
Official Description
SDP protocol dissector crash in Wireshark 4.6.0 to 4.6.4 allows denial of service
Technical Analysis
CVE-2026-5655 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in availability disruption (denial of service), with a CVSS base score of 7.5.
From a weakness classification perspective (CWE-416): Use-after-free vulnerabilities involve accessing memory after it has been freed, often enabling arbitrary code execution.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Vendors & Products
wireshark1 product
wireshark
Source: NVD CPE · 1 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
Official Patches & Advisories
All References (3)
→
https://gitlab.com/wireshark/wireshark/-/issues/21112Exploit · Issue Tracking · Third Party Advisory
→
https://www.wireshark.org/security/wnpa-sec-2026-19.htmlVendor Advisory
→
https://gitlab.com/wireshark/wireshark/-/work_items/21112Exploit · Issue Tracking · Third Party Advisory
Quick Facts
CVE IDCVE-2026-5655
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-416
CISA KEVNo
EPSS (30d)0.02%
Affected1 vendor
PublishedApr 30, 2026
Related CVEs (CWE-416)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2026-5655 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.