CVE-2026-76880
Out-of-bounds Write in Wireshark
HIGH
7.5
CVSS Score
Published: August 19, 2026 at 10:44 PM UTC
Updated: September 1, 2026 at 03:31 PM UTC
1 product affected across 1 vendorWireshark
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Severity
HIGH7.5
Exploit prediction
EPSS 0.2%
SSVC
No known exploit
Description
RRC protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Affected range stops below 4.4.18, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.6.8, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (2)
SSVC — Action Prioritization
SSVCNo known exploitAutomatablePartial impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
7.5HIGHGitLab
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusANALYZED
CWE
CWE-787
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