Bug 2025061 (CVE-2021-3974) - CVE-2021-3974 vim: Use after free in regexp_nfa.c
Summary: CVE-2021-3974 vim: Use after free in regexp_nfa.c
Keywords:
Status: NEW
Alias: CVE-2021-3974
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Nobody
QA Contact:
URL:
Whiteboard:
Depends On: 2025062 2025404 2025405
Blocks: 2025066
TreeView+ depends on / blocked
 
Reported: 2021-11-19 19:22 UTC by Pedro Sampaio
Modified: 2023-10-25 17:21 UTC (History)
15 users (show)

Fixed In Version: vim 8.2.3612
Doc Type: If docs needed, set a value
Doc Text:
A flaw was found in vim. A possible use-after-free vulnerability 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:

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Description Pedro Sampaio 2021-11-19 19:22:02 UTC 
vim is vulnerable to Use After Free in regexp_nfa.c

https://github.com/vim/vim/commit/64066b9acd9f8cffdf4840f797748f938a13f2d6
https://huntr.dev/bounties/e402cb2c-8ec4-4828-a692-c95f8e0de6d4
Comment 1 Pedro Sampaio 2021-11-19 19:22:20 UTC 
Created vim tracking bugs for this issue:

Affects: fedora-all [bug 2025062]
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