Bug 2229797 (CVE-2023-3896)

Summary:	CVE-2023-3896 vim: Divide by zero in scroll_cursor_bot
Product:	[Other] Security Response	Reporter:	Pedro Sampaio <psampaio>
Component:	vulnerability	Assignee:	Nobody <nobody>
Status:	CLOSED NOTABUG	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	jburrell, michal.skrivanek, mperina, sbonazzo, zdohnal
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 Vim. When foldcolumn and smoothscrool are on, a divide by zero issue may occur in the scroll_cursor_bot function, causing a program crash.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2023-08-07 18:18:44 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:	2229798
Bug Blocks:	2229799

Description Pedro Sampaio 2023-08-07 17:21:08 UTC

Divide by zero when scrolling with 'smoothscroll' set in vim/vim from 9.0.1367-1 to 9.0.1367-3

References:

https://github.com/vim/vim/pull/12540
https://github.com/vim/vim/issues/12528

Comment 1 Pedro Sampaio 2023-08-07 17:21:23 UTC

Created vim tracking bugs for this issue:

Affects: fedora-all [bug 2229798]