# CVE-2023-48706: vim: Vim is a UNIX editor that, prior to version 9.0.2121, has a heap-use-after-free vulnerability

CVE-2023-48706 is fixed in 21 products on 1 platform, first by vim 2:8.2.3995-1ubuntu2.15, released November 22, 2023. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2023-48706
- Priority: Routine
- CVSS: 4.7 (medium)
- EPSS: 0.0054
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Nov 22, 2023

## Description

Vim is a UNIX editor that, prior to version 9.0.2121, has a heap-use-after-free vulnerability. When executing a `:s` command for the very first time and using a sub-replace-special atom inside the substitution part, it is possible that the recursive `:s` call causes free-ing of memory which may later then be accessed by the initial `:s` command. The user must intentionally execute the payload and the whole process is a bit tricky to do since it seems to work only reliably for the very first :s command. It may also cause a crash of Vim. Version 9.0.2121 contains a fix for this issue.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | vim Debian 13.5 (trixie) | 2:9.0.2189-1 | [DEBIAN-CVE-2023-48706](https://patchblox.com/security/data/fix/linux/debian-cve-2023-48706.md) | Nov 22, 2023 |
| Linux | vim Debian 14 | 2:9.0.2189-1 | [DEBIAN-CVE-2023-48706](https://patchblox.com/security/data/fix/linux/debian-cve-2023-48706.md) | Nov 22, 2023 |
| Linux | vim Ubuntu 22.04.1 LTS (jammy) | 2:8.2.3995-1ubuntu2.15 | [vim 2:8.2.3995-1ubuntu2.15](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-vim-2-8.2.3995-1ubuntu2.15.md) | Nov 22, 2023 |
| Linux | vim Ubuntu 24.04.5 LTS (noble) | 2:9.0.2116-1ubuntu2 | [vim 2:9.0.2116-1ubuntu2](https://patchblox.com/security/data/fix/linux/ubuntu-noble-vim-2-9.0.2116-1ubuntu2.md) | Nov 22, 2023 |
| Linux | vim-athena Ubuntu 22.04.1 LTS (jammy) | 2:8.2.3995-1ubuntu2.15 | [vim-athena 2:8.2.3995-1ubuntu2.15](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-vim-athena-2-8.2.3995-1ubuntu2.15.md) | Nov 22, 2023 |
| Linux | vim-athena Ubuntu 24.04.5 LTS (noble) | 2:9.0.2116-1ubuntu2 | [vim-athena 2:9.0.2116-1ubuntu2](https://patchblox.com/security/data/fix/linux/ubuntu-noble-vim-athena-2-9.0.2116-1ubuntu2.md) | Nov 22, 2023 |
| Linux | vim-common Ubuntu 22.04.1 LTS (jammy) | 2:8.2.3995-1ubuntu2.15 | [vim-common 2:8.2.3995-1ubuntu2.15](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-vim-common-2-8.2.3995-1ubuntu2.15.md) | Nov 22, 2023 |
| Linux | vim-common Ubuntu 24.04.5 LTS (noble) | 2:9.0.2116-1ubuntu2 | [vim-common 2:9.0.2116-1ubuntu2](https://patchblox.com/security/data/fix/linux/ubuntu-noble-vim-common-2-9.0.2116-1ubuntu2.md) | Nov 22, 2023 |
| Linux | vim-common amzn 2023 | 2:9.0.2153-1.amzn2023 | [ALAS2023-2024-518](https://patchblox.com/security/data/fix/linux/alas2023-2024-518.md) | Feb 15, 2024 |
| Linux | vim-data amzn 2023 | 2:9.0.2153-1.amzn2023 | [ALAS2023-2024-518](https://patchblox.com/security/data/fix/linux/alas2023-2024-518.md) | Feb 15, 2024 |
| Linux | vim-debuginfo amzn 2023 | 2:9.0.2153-1.amzn2023 | [ALAS2023-2024-518](https://patchblox.com/security/data/fix/linux/alas2023-2024-518.md) | Feb 15, 2024 |
| Linux | vim-debugsource amzn 2023 | 2:9.0.2153-1.amzn2023 | [ALAS2023-2024-518](https://patchblox.com/security/data/fix/linux/alas2023-2024-518.md) | Feb 15, 2024 |
| Linux | vim-default-editor amzn 2023 | 2:9.0.2153-1.amzn2023 | [ALAS2023-2024-518](https://patchblox.com/security/data/fix/linux/alas2023-2024-518.md) | Feb 15, 2024 |
| Linux | vim-enhanced amzn 2023 | 2:9.0.2153-1.amzn2023 | [ALAS2023-2024-518](https://patchblox.com/security/data/fix/linux/alas2023-2024-518.md) | Feb 15, 2024 |
| Linux | vim-enhanced-debuginfo amzn 2023 | 2:9.0.2153-1.amzn2023 | [ALAS2023-2024-518](https://patchblox.com/security/data/fix/linux/alas2023-2024-518.md) | Feb 15, 2024 |
| Linux | vim-filesystem amzn 2023 | 2:9.0.2153-1.amzn2023 | [ALAS2023-2024-518](https://patchblox.com/security/data/fix/linux/alas2023-2024-518.md) | Feb 15, 2024 |
| Linux | vim-gtk Ubuntu 22.04.1 LTS (jammy) | 2:8.2.3995-1ubuntu2.15 | [vim-gtk 2:8.2.3995-1ubuntu2.15](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-vim-gtk-2-8.2.3995-1ubuntu2.15.md) | Nov 22, 2023 |
| Linux | vim-gtk3 Ubuntu 22.04.1 LTS (jammy) | 2:8.2.3995-1ubuntu2.15 | [vim-gtk3 2:8.2.3995-1ubuntu2.15](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-vim-gtk3-2-8.2.3995-1ubuntu2.15.md) | Nov 22, 2023 |
| Linux | vim-gtk3 Ubuntu 24.04.5 LTS (noble) | 2:9.0.2116-1ubuntu2 | [vim-gtk3 2:9.0.2116-1ubuntu2](https://patchblox.com/security/data/fix/linux/ubuntu-noble-vim-gtk3-2-9.0.2116-1ubuntu2.md) | Nov 22, 2023 |
| Linux | vim-gui-common Ubuntu 22.04.1 LTS (jammy) | 2:8.2.3995-1ubuntu2.15 | [vim-gui-common 2:8.2.3995-1ubuntu2.15](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-vim-gui-common-2-8.2.3995-1ubuntu2.15.md) | Nov 22, 2023 |
| Linux | vim-gui-common Ubuntu 24.04.5 LTS (noble) | 2:9.0.2116-1ubuntu2 | [vim-gui-common 2:9.0.2116-1ubuntu2](https://patchblox.com/security/data/fix/linux/ubuntu-noble-vim-gui-common-2-9.0.2116-1ubuntu2.md) | Nov 22, 2023 |
| Linux | vim-minimal amzn 2023 | 2:9.0.2153-1.amzn2023 | [ALAS2023-2024-518](https://patchblox.com/security/data/fix/linux/alas2023-2024-518.md) | Feb 15, 2024 |
| Linux | vim-minimal-debuginfo amzn 2023 | 2:9.0.2153-1.amzn2023 | [ALAS2023-2024-518](https://patchblox.com/security/data/fix/linux/alas2023-2024-518.md) | Feb 15, 2024 |
| Linux | vim-motif Ubuntu 24.04.5 LTS (noble) | 2:9.0.2116-1ubuntu2 | [vim-motif 2:9.0.2116-1ubuntu2](https://patchblox.com/security/data/fix/linux/ubuntu-noble-vim-motif-2-9.0.2116-1ubuntu2.md) | Nov 22, 2023 |
| Linux | vim-nox Ubuntu 22.04.1 LTS (jammy) | 2:8.2.3995-1ubuntu2.15 | [vim-nox 2:8.2.3995-1ubuntu2.15](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-vim-nox-2-8.2.3995-1ubuntu2.15.md) | Nov 22, 2023 |
| Linux | vim-nox Ubuntu 24.04.5 LTS (noble) | 2:9.0.2116-1ubuntu2 | [vim-nox 2:9.0.2116-1ubuntu2](https://patchblox.com/security/data/fix/linux/ubuntu-noble-vim-nox-2-9.0.2116-1ubuntu2.md) | Nov 22, 2023 |
| Linux | vim-runtime Ubuntu 22.04.1 LTS (jammy) | 2:8.2.3995-1ubuntu2.15 | [vim-runtime 2:8.2.3995-1ubuntu2.15](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-vim-runtime-2-8.2.3995-1ubuntu2.15.md) | Nov 22, 2023 |
| Linux | vim-runtime Ubuntu 24.04.5 LTS (noble) | 2:9.0.2116-1ubuntu2 | [vim-runtime 2:9.0.2116-1ubuntu2](https://patchblox.com/security/data/fix/linux/ubuntu-noble-vim-runtime-2-9.0.2116-1ubuntu2.md) | Nov 22, 2023 |
| Linux | vim-tiny Ubuntu 22.04.1 LTS (jammy) | 2:8.2.3995-1ubuntu2.15 | [vim-tiny 2:8.2.3995-1ubuntu2.15](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-vim-tiny-2-8.2.3995-1ubuntu2.15.md) | Nov 22, 2023 |
| Linux | vim-tiny Ubuntu 24.04.5 LTS (noble) | 2:9.0.2116-1ubuntu2 | [vim-tiny 2:9.0.2116-1ubuntu2](https://patchblox.com/security/data/fix/linux/ubuntu-noble-vim-tiny-2-9.0.2116-1ubuntu2.md) | Nov 22, 2023 |
| Linux | xxd Ubuntu 22.04.1 LTS (jammy) | 2:8.2.3995-1ubuntu2.15 | [xxd 2:8.2.3995-1ubuntu2.15](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-xxd-2-8.2.3995-1ubuntu2.15.md) | Nov 22, 2023 |
| Linux | xxd Ubuntu 24.04.5 LTS (noble) | 2:9.0.2116-1ubuntu2 | [xxd 2:9.0.2116-1ubuntu2](https://patchblox.com/security/data/fix/linux/ubuntu-noble-xxd-2-9.0.2116-1ubuntu2.md) | Nov 22, 2023 |
| Linux | xxd amzn 2023 | 2:9.0.2153-1.amzn2023 | [ALAS2023-2024-518](https://patchblox.com/security/data/fix/linux/alas2023-2024-518.md) | Feb 15, 2024 |
| Linux | xxd-debuginfo amzn 2023 | 2:9.0.2153-1.amzn2023 | [ALAS2023-2024-518](https://patchblox.com/security/data/fix/linux/alas2023-2024-518.md) | Feb 15, 2024 |

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