Bug 2034720 (CVE-2021-4136) - CVE-2021-4136 vim: heap-based buffer overflow in eval_lambda() in src/eval.c
Summary: CVE-2021-4136 vim: heap-based buffer overflow in eval_lambda() in src/eval.c
Keywords:
Status: NEW
Alias: CVE-2021-4136
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: 2034721 2034780
Blocks: 2034722
TreeView+ depends on / blocked
 
Reported: 2021-12-21 19:47 UTC by Guilherme de Almeida Suckevicz
Modified: 2023-10-25 17:21 UTC (History)
19 users (show)

Fixed In Version: vim 8.2.3847
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.
Clone Of:
Environment:
Last Closed:
Embargoed:


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Description Guilherme de Almeida Suckevicz 2021-12-21 19:47:22 UTC
Vim is vulnerable to heap-based buffer overflow.

Reference:
https://huntr.dev/bounties/5c6b93c1-2d27-4e98-a931-147877b8c938

Upstream patch:
https://github.com/vim/vim/commit/605ec91e5a7330d61be313637e495fa02a6dc264

Comment 1 Guilherme de Almeida Suckevicz 2021-12-21 19:47:42 UTC
Created vim tracking bugs for this issue:

Affects: fedora-all [bug 2034721]


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