Bug 1949537 (CVE-2021-28421)

Summary:	CVE-2021-28421 fluidsynth: use after free in sfloader/fluid_sffile.c could result in arbitrary code execution or a denial of service
Product:	[Other] Security Response	Reporter:	Michael Kaplan <mkaplan>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED UPSTREAM	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	green, pampelmuse, walter.pete
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	fluidsynth 2.1.8	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2021-04-14 16:46:59 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:	1949538, 1949539
Bug Blocks:

Description Michael Kaplan 2021-04-14 13:54:49 UTC

FluidSynth 2.1.7 contains a use after free vulnerability in sfloader/fluid_sffile.c that can result in arbitrary code execution or a denial of service (DoS) if a malicious soundfont2 file is loaded into a fluidsynth library.

Comment 1 Michael Kaplan 2021-04-14 13:54:53 UTC

External References:

https://github.com/FluidSynth/fluidsynth/issues/808
https://github.com/FluidSynth/fluidsynth/pull/810

Comment 2 Michael Kaplan 2021-04-14 13:55:26 UTC

Created fluidsynth tracking bugs for this issue:

Affects: epel-all [bug 1949539]
Affects: fedora-all [bug 1949538]

Comment 3 Product Security DevOps Team 2021-04-14 16:46:59 UTC

This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.