Bug 2534099 - CVE-2026-91964 freerdp2: FreeRDP: Remote code execution via heap buffer overflow in Server Redirection PDU [epel-all]
Summary: CVE-2026-91964 freerdp2: FreeRDP: Remote code execution via heap buffer overf...
Keywords:
Status: NEW
Alias: None
Product: Fedora EPEL
Classification: Fedora
Component: freerdp2
Version: epel10
Hardware: Unspecified
OS: Unspecified
high
high
Target Milestone: ---
Assignee: Neal Gompa
QA Contact:
URL:
Whiteboard: {"flaws": ["11154045-0ce0-4adb-984e-2...
Depends On:
Blocks: CVE-2026-91964
TreeView+ depends on / blocked
 
Reported: 2026-09-15 18:39 UTC by Vladimir Vasilev
Modified: 2026-09-15 18:39 UTC (History)
4 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Type: ---
Embargoed:


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Description Vladimir Vasilev 2026-09-15 18:39:30 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.

FreeRDP versions before 3.31.0 contain a heap-based buffer overflow in nego_send_negotiation_request when processing Server Redirection PDU messages with attacker-controlled LoadBalanceInfo fields. A malicious RDP server can trigger the overflow by sending an arbitrary-length field that gets written to a fixed 512-byte buffer without validation, causing client crashes or potential code execution when chained with memory disclosure.


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