Bug 2018558 (CVE-2021-3903)

Summary:	CVE-2021-3903 vim: heap-based buffer overflow vulnerability
Product:	[Other] Security Response	Reporter:	Guilherme de Almeida Suckevicz <gsuckevi>
Component:	vulnerability	Assignee:	Nobody <nobody>
Status:	NEW ---	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	aprice, aruklets, bdettelb, caswilli, cmyers, dfreiber, dnakabaa, doconnor, drow, eshamard, fjansen, gchamoul, gparvin, jburrell, jdobes, jmitchel, jsamir, jvasik, jwong, karsten, kaycoth, kshier, lcouzens, oezr, orabin, pahickey, rblanco, rhaigner, rhel-process-autobot, stcannon, teagle, vkumar, vmugicag, watson-tool-maintainers, zdohnal
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	vim 8.2.3564	Doc Type:	No Doc Update
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:	2018559, 2019975
Bug Blocks:	2018560

Description Guilherme de Almeida Suckevicz 2021-10-29 17:20:12 UTC

vim is vulnerable to heap-based buffer overflow.

Reference:
https://huntr.dev/bounties/35738a4f-55ce-446c-b836-2fb0b39625f8

Upstream patch:
https://github.com/vim/vim/commit/777e7c21b7627be80961848ac560cb0a9978ff43

Comment 1 Guilherme de Almeida Suckevicz 2021-10-29 17:20:30 UTC

Created vim tracking bugs for this issue:

Affects: fedora-all [bug 2018559]

Comment 9 errata-xmlrpc 2024-11-12 10:36:24 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2024:9405 https://access.redhat.com/errata/RHSA-2024:9405