Bug 2242141 (CVE-2023-5344)

Summary: CVE-2023-5344 vim: Heap-based Buffer Overflow in trunc_string()
Product: [Other] Security Response Reporter: Patrick Del Bello <pdelbell>
Component: vulnerabilityAssignee: Product Security <prodsec-ir-bot>
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Version: unspecifiedKeywords: Security
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Hardware: All   
OS: Linux   
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A heap-based buffer overflow vulnerability was found in Vim's trunc_string() function of the src/message.c file. This flaw allows an attacker to trick a user into opening a specially crafted file, triggering a heap-based buffer overflow that causes an application to crash, leading to a denial of service.
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Bug Depends On: 2242225    
Bug Blocks: 2242140    

Description Patrick Del Bello 2023-10-04 15:37:46 UTC 
Heap-based Buffer Overflow in GitHub repository vim/vim prior to 9.0.1969.

https://huntr.dev/bounties/530cb762-899e-48d7-b50e-dad09eb775bf
https://github.com/vim/vim/commit/3bd7fa12e146c6051490d048a4acbfba974eeb04
Comment 2 Sandipan Roy 2023-10-05 04:30:46 UTC 
Created vim tracking bugs for this issue:

Affects: fedora-all [bug 2242225]