2025059 – (CVE-2021-3973) CVE-2021-3973 vim: Heap based buffer overflow in findfile.c

Bug 2025059 (CVE-2021-3973) - CVE-2021-3973 vim: Heap based buffer overflow in findfile.c

Summary: CVE-2021-3973 vim: Heap based buffer overflow in findfile.c

Keywords:
Status:	NEW
Alias:	CVE-2021-3973
Product:	Security Response
Classification:	Other
Component:	vulnerability
Sub Component:
Version:	unspecified
Hardware:	All
OS:	Linux
Priority:	low
Severity:	low
Target Milestone:	---
Assignee:	Nobody
QA Contact:
Docs Contact:
URL:
Whiteboard:
Depends On:	2025060 2025402
Blocks:	2025066
TreeView+	depends on / blocked

Reported:	2021-11-19 19:18 UTC by Pedro Sampaio
Modified:	2023-10-25 17:21 UTC (History)
CC List:	15 users (show)
Fixed In Version:	vim 8.2.3611
Doc Type:	If docs needed, set a value
Doc Text:	A flaw was found in vim. A possible heap-based buffer overflow could allow an attacker to input a specially crafted file leading to a crash or code execution. The highest threat from this vulnerability is to system availability.
Clone Of:
Environment:
Last Closed:
Embargoed:

Attachments	(Terms of Use)

Description Pedro Sampaio 2021-11-19 19:18:58 UTC

vim is vulnerable to Heap-based Buffer Overflow in findfile.c

https://github.com/vim/vim/commit/615ddd5342b50a6878a907062aa471740bd9a847
https://huntr.dev/bounties/ce6e8609-77c6-4e17-b9fc-a2e5abed052e

Comment 1 Pedro Sampaio 2021-11-19 19:19:16 UTC

Created vim tracking bugs for this issue:

Affects: fedora-all [bug 2025060]

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