Bug 2234914 (CVE-2020-21528)

Summary:	CVE-2020-21528 nasm: segmentation fault in ieee_segment() in outieee.c
Product:	[Other] Security Response	Reporter:	Guilherme de Almeida Suckevicz <gsuckevi>
Component:	vulnerability	Assignee:	Product Security <prodsec-ir-bot>
Status:	NEW ---	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	nickc, sipoyare
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	nasm 2.16rc1	Doc Type:	If docs needed, set a value
Doc Text:		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:	2234957, 2234965, 2234966
Bug Blocks:	2234904

Description Guilherme de Almeida Suckevicz 2023-08-25 18:15:26 UTC

A Segmentation Fault issue discovered in in ieee_segment function in outieee.c in nasm 2.14.03 and 2.15 allows remote attackers to cause a denial of service via crafted assembly file.

Reference:
https://bugzilla.nasm.us/show_bug.cgi?id=3392637

Comment 1 Guilherme de Almeida Suckevicz 2023-08-25 19:08:05 UTC

Created nasm tracking bugs for this issue:

Affects: fedora-all [bug 2234957]

Comment 3 Pedro Sampaio 2023-09-27 15:13:47 UTC

Upstream commit:

https://github.com/netwide-assembler/nasm/commit/93c774d482694643cafbc82578ac8b729fb5bc8b