CVE-2026-57454
Vim: Out-of-bounds Read with Text Properties
Description
Vim is an open source, command line text editor. From 9.2.0320 until 9.2.0679, a crafted undo or swap file can store a virtual-text property whose offset and length point outside the line's property data. When Vim restores or displays such a line it converts the offset into a pointer and reads the virtual text without bounds checking, causing an out-of-bounds read that can crash Vim or disclose adjacent heap memory. This vulnerability is fixed in 9.2.0679.
INFO
Published Date :
June 25, 2026, 3:24 p.m.
Last Modified :
June 25, 2026, 3:24 p.m.
Remotely Exploit :
No
Source :
GitHub_M
Affected Products
The following products are affected by CVE-2026-57454
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
Solution
- Update Vim to the latest stable version.
- Apply the security patch for version 9.2.0679.
- Validate the integrity of undo and swap files.
- Restart Vim after updating.
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CVE-2026-57454 vulnerability anywhere in the article.