Bug 2124164 (CVE-2020-29260)

Summary: CVE-2020-29260 libvncserver: a memory leak via the function rfbClientCleanup() may lead to a DoS
Product: [Other] Security Response Reporter: Sandipan Roy <saroy>
Component: vulnerabilityAssignee: Nobody <nobody>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: jadahl, negativo17, rdieter, tdawson
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: If docs needed, set a value
Doc Text:
A flaw was found in the libvncserver library. A memory leak in the rfbClientCleanup() function may allow a remote attacker to cause a denial of service.
Story Points: ---
Clone Of: Environment:
Last Closed: 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: 2124165, 2128295, 2128296    
Bug Blocks: 2124166    

Description Sandipan Roy 2022-09-05 05:50:55 UTC
libvncclient v0.9.13 was discovered to contain a memory leak via the function rfbClientCleanup().

https://github.com/LibVNC/libvncserver/commit/bef41f6ec4097a8ee094f90a1b34a708fbd757ec

Comment 1 Sandipan Roy 2022-09-05 05:52:08 UTC
Created libvncserver tracking bugs for this issue:

Affects: fedora-all [bug 2124165]