Bug 2520981

Summary: CVE-2026-76888 wireshark: Wireshark: Heap-based Buffer Overflow in RDP dissector leads to Denial of Service [fedora-all]
Product: [Fedora] Fedora Reporter: Laura Pardo <lpardo>
Component: wiresharkAssignee: Michal Ruprich <mruprich>
Status: CLOSED CURRENTRELEASE QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: low Docs Contact:
Priority: low    
Version: rawhideCC: alekcejk, fhrdina, huzaifas, lemenkov, mruprich
Target Milestone: ---Keywords: Security, SecurityTracking
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard: {"flaws": ["7237e515-553c-4d51-824b-bc367e447860"]}
Fixed In Version: Doc Type: ---
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2026-08-21 14:16:34 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On:    
Bug Blocks: 2520084    

Description Laura Pardo 2026-08-21 12:59:24 UTC
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.

RDP protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service

Comment 1 Michal Ruprich 2026-08-21 14:16:34 UTC
Fixed in the current version of wireshark. Closing.