Bug 2025056 (CVE-2021-3968) - CVE-2021-3968 vim: Heap use-after-free in ml_append_int function
Summary: CVE-2021-3968 vim: Heap use-after-free in ml_append_int function
Keywords:
Status: NEW
Alias: CVE-2021-3968
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2025058 2025397
Blocks: 2025066
TreeView+ depends on / blocked
 
Reported: 2021-11-19 19:18 UTC by Pedro Sampaio
Modified: 2021-11-24 13:29 UTC (History)
18 users (show)

Fixed In Version: vim 8.2.3610
Doc Type: If docs needed, set a value
Doc Text:
A flaw was found in vim. A possible heap 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:


Attachments (Terms of Use)

Description Pedro Sampaio 2021-11-19 19:18:28 UTC
vim is vulnerable to heap use-after-free in ml_append_int function

https://huntr.dev/bounties/00d62924-a7b4-4a61-ba29-acab2eaa1528
https://github.com/vim/vim/commit/a062006b9de0b2947ab5fb376c6e67ef92a8cd69

Comment 1 Pedro Sampaio 2021-11-19 19:18:55 UTC
Created vim tracking bugs for this issue:

Affects: fedora-all [bug 2025058]


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