# CVE-2025-9390: vim xxd xxd.c main buffer overflow

CVE-2025-9390 is fixed in 13 products on 1 platform, first by DEBIAN-CVE-2025-9390, released August 24, 2025. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2025-9390
- Priority: Routine
- CVSS: 5.5 (Moderate)
- EPSS: 0.0029
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Aug 24, 2025
- Weakness: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-9390

## Description

A security flaw has been discovered in vim up to 9.1.1615. Affected by this vulnerability is the function main of the file src/xxd/xxd.c of the component xxd. The manipulation results in buffer overflow. The attack requires a local approach. The exploit has been released to the public and may be exploited. Upgrading to version 9.1.1616 addresses this issue. The patch is identified as eeef7c77436a78cd27047b0f5fa6925d56de3cb0. It is recommended to upgrade the affected component.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | vim Debian 14 | 2:9.1.1829-1 | [DEBIAN-CVE-2025-9390](https://patchblox.com/security/data/fix/linux/debian-cve-2025-9390.md) | Aug 24, 2025 |
| Linux | vim-common amzn 2023 | 2:9.2.240-1.amzn2023.0.2 | [ALAS2023-2026-1584](https://patchblox.com/security/data/fix/linux/alas2023-2026-1584.md) | Apr 13, 2026 |
| Linux | vim-data amzn 2023 | 2:9.2.240-1.amzn2023.0.2 | [ALAS2023-2026-1584](https://patchblox.com/security/data/fix/linux/alas2023-2026-1584.md) | Apr 13, 2026 |
| Linux | vim-debuginfo amzn 2023 | 2:9.2.240-1.amzn2023.0.2 | [ALAS2023-2026-1584](https://patchblox.com/security/data/fix/linux/alas2023-2026-1584.md) | Apr 13, 2026 |
| Linux | vim-debugsource amzn 2023 | 2:9.2.240-1.amzn2023.0.2 | [ALAS2023-2026-1584](https://patchblox.com/security/data/fix/linux/alas2023-2026-1584.md) | Apr 13, 2026 |
| Linux | vim-default-editor amzn 2023 | 2:9.2.240-1.amzn2023.0.2 | [ALAS2023-2026-1584](https://patchblox.com/security/data/fix/linux/alas2023-2026-1584.md) | Apr 13, 2026 |
| Linux | vim-enhanced amzn 2023 | 2:9.2.240-1.amzn2023.0.2 | [ALAS2023-2026-1584](https://patchblox.com/security/data/fix/linux/alas2023-2026-1584.md) | Apr 13, 2026 |
| Linux | vim-enhanced-debuginfo amzn 2023 | 2:9.2.240-1.amzn2023.0.2 | [ALAS2023-2026-1584](https://patchblox.com/security/data/fix/linux/alas2023-2026-1584.md) | Apr 13, 2026 |
| Linux | vim-filesystem amzn 2023 | 2:9.2.240-1.amzn2023.0.2 | [ALAS2023-2026-1584](https://patchblox.com/security/data/fix/linux/alas2023-2026-1584.md) | Apr 13, 2026 |
| Linux | vim-minimal amzn 2023 | 2:9.2.240-1.amzn2023.0.2 | [ALAS2023-2026-1584](https://patchblox.com/security/data/fix/linux/alas2023-2026-1584.md) | Apr 13, 2026 |
| Linux | vim-minimal-debuginfo amzn 2023 | 2:9.2.240-1.amzn2023.0.2 | [ALAS2023-2026-1584](https://patchblox.com/security/data/fix/linux/alas2023-2026-1584.md) | Apr 13, 2026 |
| Linux | xxd amzn 2023 | 2:9.2.240-1.amzn2023.0.2 | [ALAS2023-2026-1584](https://patchblox.com/security/data/fix/linux/alas2023-2026-1584.md) | Apr 13, 2026 |
| Linux | xxd-debuginfo amzn 2023 | 2:9.2.240-1.amzn2023.0.2 | [ALAS2023-2026-1584](https://patchblox.com/security/data/fix/linux/alas2023-2026-1584.md) | Apr 13, 2026 |

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Data as of 2026-11-08T19:12:23Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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