CVE-2026-28420
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- CVE-2026-28420
CVE Details
| Release Date: | 2026-02-27 | |
| Impact: | Moderate | What is this? |
Description
Vim is an open source, command line text editor. Prior to version 9.2.0076, a heap-based buffer overflow WRITE and an out-of-bounds READ exist in Vim's terminal emulator when processing maximum combining characters from Unicode supplementary planes. Version 9.2.0076 fixes the issue.
See more information about CVE-2026-28420 from MITRE CVE dictionary and NIST NVD
NOTE: The following CVSS metrics and score provided are preliminary and subject to review.
CVSS v3 metrics
| Base Score: | 4.4 |
| Vector String: | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L |
| Version: | 3.1 |
| Attack Vector: | Local |
| Attack Complexity: | Low |
| Privileges Required: | None |
| User Interaction: | Required |
| Scope: | Unchanged |
| Confidentiality Impact: | None |
| Integrity Impact: | Low |
| Availability Impact: | Low |
Errata information
| Platform | Errata | Release Date |
| Oracle Linux version 10 (vim) | ELSA-2026-66336-0 | 2026-09-10 |
| Oracle Linux version 8 (vim) | ELSA-2026-66348-0 | 2026-09-10 |
| Oracle Linux version 9 (vim) | ELSA-2026-66366-0 | 2026-09-10 |
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